Comprehensive Income
|
9 Months Ended |
Sep. 30, 2016 |
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|
Appalachian Power Co [Member] |
|
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|
Indiana Michigan Power Co [Member] |
|
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|
Ohio Power Co [Member] |
|
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|
Public Service Co Of Oklahoma [Member] |
|
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|
Southwestern Electric Power Co [Member] |
|
Comprehensive Income |
COMPREHENSIVE INCOME
The disclosures in this note apply to all Registrants unless indicated otherwise.
Presentation of Comprehensive Income
The following tables provide the components of changes in AOCI and details of reclassifications from AOCI for the three and nine months ended September 30, 2016 and 2015. The amortization of pension and OPEB AOCI components are included in the computation of net periodic pension and OPEB costs. See Note 7 for additional details.
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2016 | $ | 1.9 |
| | $ | (16.5 | ) | | $ | 8.3 |
| | $ | (111.6 | ) | | $ | (117.9 | ) | Change in Fair Value Recognized in AOCI | (26.7 | ) | | — |
| | 0.5 |
| | — |
| | (26.2 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (5.4 | ) | | — |
| | — |
| | — |
| | (5.4 | ) | Purchased Electricity for Resale | 1.8 |
| | — |
| | — |
| | — |
| | 1.8 |
| Interest Expense | — |
| | 0.6 |
| | — |
| | — |
| | 0.6 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.0 |
| | 5.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (3.6 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (2.8 | ) | Income Tax (Expense) Credit | (1.3 | ) | | 0.2 |
| | — |
| | — |
| | (1.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.3 | ) | | 0.4 |
| | — |
| | 0.2 |
| | (1.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (29.0 | ) | | 0.4 |
| | 0.5 |
| | 0.2 |
| | (27.9 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of June 30, 2015 | $ | (5.2 | ) | | $ | (17.7 | ) | | $ | 8.0 |
| | $ | (87.6 | ) | | $ | (102.5 | ) | Change in Fair Value Recognized in AOCI | (3.3 | ) | | 0.3 |
| | (1.3 | ) | | — |
| | (4.3 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (19.5 | ) | | — |
| | — |
| | — |
| | (19.5 | ) | Purchased Electricity for Resale | 14.3 |
| | — |
| | — |
| | — |
| | 14.3 |
| Interest Expense | — |
| | (0.2 | ) | | — |
| | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (4.8 | ) | | (4.8 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 5.3 |
| | 5.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (5.2 | ) | | (0.2 | ) | | — |
| | 0.5 |
| | (4.9 | ) | Income Tax (Expense) Credit | (3.0 | ) | | (0.1 | ) | | — |
| | 0.2 |
| | (2.9 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (2.2 | ) | | (0.1 | ) | | — |
| | 0.3 |
| | (2.0 | ) | Net Current Period Other Comprehensive Income (Loss) | (5.5 | ) | | 0.2 |
| | (1.3 | ) | | 0.3 |
| | (6.3 | ) | Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2015 | $ | (5.2 | ) | | $ | (17.2 | ) | | $ | 7.1 |
| | $ | (111.8 | ) | | $ | (127.1 | ) | Change in Fair Value Recognized in AOCI | (17.7 | ) | | — |
| | 1.7 |
| | — |
| | (16.0 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (20.7 | ) | | — |
| | — |
| | — |
| | (20.7 | ) | Purchased Electricity for Resale | 14.2 |
| | — |
| | — |
| | — |
| | 14.2 |
| Interest Expense | — |
| | 1.7 |
| | — |
| | — |
| | 1.7 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 15.2 |
| | 15.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (6.5 | ) | | 1.7 |
| | — |
| | 0.6 |
| | (4.2 | ) | Income Tax (Expense) Credit | (2.3 | ) | | 0.6 |
| | — |
| | 0.2 |
| | (1.5 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (4.2 | ) | | 1.1 |
| | — |
| | 0.4 |
| | (2.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (21.9 | ) | | 1.1 |
| | 1.7 |
| | 0.4 |
| | (18.7 | ) | Balance in AOCI as of September 30, 2016 | $ | (27.1 | ) | | $ | (16.1 | ) | | $ | 8.8 |
| | $ | (111.4 | ) | | $ | (145.8 | ) |
AEP
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | | Commodity | | Interest Rate and Foreign Currency | | Securities Available for Sale | | Pension and OPEB | | Total | | (in millions) | Balance in AOCI as of December 31, 2014 | $ | 1.6 |
| | $ | (19.1 | ) | | $ | 7.7 |
| | $ | (93.3 | ) | | $ | (103.1 | ) | Change in Fair Value Recognized in AOCI | (2.0 | ) | | 0.9 |
| | (1.0 | ) | | — |
| | (2.1 | ) | Amount of (Gain) Loss Reclassified from AOCI | | | | | | | | | | Generation & Marketing Revenues | (36.3 | ) | | — |
| | — |
| | — |
| | (36.3 | ) | Purchased Electricity for Resale | 20.4 |
| | — |
| | — |
| | — |
| | 20.4 |
| Interest Expense | — |
| | 1.0 |
| | — |
| | — |
| | 1.0 |
| Amortization of Prior Service Cost (Credit) | — |
| | — |
| | — |
| | (14.6 | ) | | (14.6 | ) | Amortization of Actuarial (Gains)/Losses | — |
| | — |
| | — |
| | 16.0 |
| | 16.0 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | (15.9 | ) | | 1.0 |
| | — |
| | 1.4 |
| | (13.5 | ) | Income Tax (Expense) Credit | (5.6 | ) | | 0.3 |
| | — |
| | 0.5 |
| | (4.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | (10.3 | ) | | 0.7 |
| | — |
| | 0.9 |
| | (8.7 | ) | Net Current Period Other Comprehensive Income (Loss) | (12.3 | ) | | 1.6 |
| | (1.0 | ) | | 0.9 |
| | (10.8 | ) | Pension and OPEB Adjustment Related to Mitchell Plant | — |
| | — |
| | — |
| | 5.1 |
| | 5.1 |
| Balance in AOCI as of September 30, 2015 | $ | (10.7 | ) | | $ | (17.5 | ) | | $ | 6.7 |
| | $ | (87.3 | ) | | $ | (108.8 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.2 |
| | $ | (7.1 | ) | | $ | (3.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.2 | ) | | — |
| | (0.2 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.7 |
| | 0.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Income Tax (Expense) Credit | | — |
| | (0.2 | ) | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.3 | ) | | (0.5 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.0 |
| | $ | 0.2 |
| | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.3 | ) | | — |
| | (0.3 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (1.2 | ) | | (1.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.5 |
| | 0.5 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | | (0.7 | ) | | (1.0 | ) | Income Tax (Expense) Credit | | (0.1 | ) | | (0.2 | ) | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | | (0.5 | ) | | (0.7 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 3.6 |
| | $ | (6.4 | ) | | $ | (2.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.8 | ) | | — |
| | (0.8 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 2.2 |
| | 2.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | | (1.6 | ) | | (2.4 | ) | Income Tax (Expense) Credit | | (0.2 | ) | | (0.6 | ) | | (0.8 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | | (1.0 | ) | | (1.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.0 |
| | $ | (7.4 | ) | | $ | (4.4 | ) |
APCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 3.9 |
| | $ | 1.1 |
| | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | (0.1 | ) | | — |
| | (0.1 | ) | Amortization of Prior Service Cost (Credit) | | — |
| | (3.8 | ) | | (3.8 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 1.7 |
| | 1.7 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.1 | ) | | (2.1 | ) | | (2.2 | ) | Income Tax (Expense) Credit | | — |
| | (0.7 | ) | | (0.7 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | | (1.4 | ) | | (1.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 3.8 |
| | $ | (0.3 | ) | | $ | 3.5 |
|
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (12.6 | ) | | $ | (3.4 | ) | | $ | (16.0 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.5 |
| | — |
| | 0.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Income Tax (Expense) Credit | | 0.2 |
| | — |
| | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (13.9 | ) | | $ | 0.1 |
| | $ | (13.8 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.4 |
| | — |
| | 0.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.2 | ) | | (0.2 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Income Tax (Expense) Credit | | 0.1 |
| | — |
| | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.3 |
| | — |
| | 0.3 |
| Net Current Period Other Comprehensive Income | | 0.3 |
| | — |
| | 0.3 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (13.3 | ) | | $ | (3.4 | ) | | $ | (16.7 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.5 |
| | — |
| | 1.5 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.5 |
| | — |
| | 1.5 |
| Income Tax (Expense) Credit | | 0.5 |
| | — |
| | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.0 |
| | — |
| | 1.0 |
| Net Current Period Other Comprehensive Income | | 1.0 |
| | — |
| | 1.0 |
| Balance in AOCI as of September 30, 2016 | | $ | (12.3 | ) | | $ | (3.4 | ) | | $ | (15.7 | ) |
I&M
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (14.4 | ) | | $ | 0.1 |
| | $ | (14.3 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 1.2 |
| | — |
| | 1.2 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.6 | ) | | (0.6 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 1.2 |
| | — |
| | 1.2 |
| Income Tax (Expense) Credit | | 0.4 |
| | — |
| | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.8 |
| | — |
| | 0.8 |
| Net Current Period Other Comprehensive Income | | 0.8 |
| | — |
| | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (13.6 | ) | | $ | 0.1 |
| | $ | (13.5 | ) |
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.5 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.9 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.5 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.5 | ) | Income Tax (Expense) Credit | | (0.2 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.3 | ) | Net Current Period Other Comprehensive Loss | | (0.3 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.3 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.4 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.4 | ) | Income Tax (Expense) Credit | | (0.4 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.3 |
|
OPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (1.6 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (1.6 | ) | Income Tax (Expense) Credit | | (0.6 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (1.0 | ) | Net Current Period Other Comprehensive Loss | | (1.0 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | 3.8 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.3 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.3 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.2 | ) | Net Current Period Other Comprehensive Loss | | (0.2 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | 4.6 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.2 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.2 | ) | Income Tax (Expense) Credit | | (0.1 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.1 | ) | Net Current Period Other Comprehensive Loss | | (0.1 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | 4.2 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.9 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.9 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.6 | ) | Net Current Period Other Comprehensive Loss | | (0.6 | ) | Balance in AOCI as of September 30, 2016 | | $ | 3.6 |
|
PSO
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | Cash Flow Hedges | | | Interest Rate and Foreign Currency | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | 5.0 |
| Change in Fair Value Recognized in AOCI | | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | Interest Expense | | (0.8 | ) | Reclassifications from AOCI, before Income Tax (Expense) Credit | | (0.8 | ) | Income Tax (Expense) Credit | | (0.3 | ) | Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | (0.5 | ) | Net Current Period Other Comprehensive Loss | | (0.5 | ) | Balance in AOCI as of September 30, 2015 | | $ | 4.5 |
|
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2016 | | $ | (8.2 | ) | | $ | (0.7 | ) | | $ | (8.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.4 | ) | | (0.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.2 |
| | 0.2 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.2 | ) | | 0.5 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.1 | ) | | 0.2 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.1 | ) | | 0.3 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Three Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of June 30, 2015 | | $ | (10.0 | ) | | $ | 3.1 |
| | $ | (6.9 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 0.7 |
| | — |
| | 0.7 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (0.5 | ) | | (0.5 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.1 |
| | 0.1 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 0.7 |
| | (0.4 | ) | | 0.3 |
| Income Tax (Expense) Credit | | 0.3 |
| | (0.2 | ) | | 0.1 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Net Current Period Other Comprehensive Income (Loss) | | 0.4 |
| | (0.2 | ) | | 0.2 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2016 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2015 | | $ | (9.1 | ) | | $ | (0.3 | ) | | $ | (9.4 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.0 |
| | — |
| | 2.0 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.6 |
| | 0.6 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.0 |
| | (0.8 | ) | | 1.2 |
| Income Tax (Expense) Credit | | 0.7 |
| | (0.3 | ) | | 0.4 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.3 |
| | (0.5 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2016 | | $ | (7.8 | ) | | $ | (0.8 | ) | | $ | (8.6 | ) |
SWEPCo
Changes in Accumulated Other Comprehensive Income (Loss) by Component For the Nine Months Ended September 30, 2015 | | | | | | | | | | | | | | | | Cash Flow Hedges | | | | | | | Interest Rate and Foreign Currency | | Pension and OPEB | | Total | | | (in millions) | Balance in AOCI as of December 31, 2014 | | $ | (11.1 | ) | | $ | 3.6 |
| | $ | (7.5 | ) | Change in Fair Value Recognized in AOCI | | — |
| | — |
| | — |
| Amount of (Gain) Loss Reclassified from AOCI | | | | | | | Interest Expense | | 2.4 |
| | — |
| | 2.4 |
| Amortization of Prior Service Cost (Credit) | | — |
| | (1.4 | ) | | (1.4 | ) | Amortization of Actuarial (Gains)/Losses | | — |
| | 0.3 |
| | 0.3 |
| Reclassifications from AOCI, before Income Tax (Expense) Credit | | 2.4 |
| | (1.1 | ) | | 1.3 |
| Income Tax (Expense) Credit | | 0.9 |
| | (0.4 | ) | | 0.5 |
| Reclassifications from AOCI, Net of Income Tax (Expense) Credit | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Net Current Period Other Comprehensive Income (Loss) | | 1.5 |
| | (0.7 | ) | | 0.8 |
| Balance in AOCI as of September 30, 2015 | | $ | (9.6 | ) | | $ | 2.9 |
| | $ | (6.7 | ) |
|