Regulatory Matters (Narrative) (Details)
|
|
1 Months Ended |
3 Months Ended |
12 Months Ended |
Dec. 30, 2014
USD ($)
|
Dec. 31, 2015
USD ($)
|
Sep. 30, 2015
USD ($)
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2013
USD ($)
|
Dec. 31, 2015
USD ($)
MW
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
$ 1,706,000,000
|
|
|
|
|
$ 1,706,000,000
|
$ 1,675,000,000
|
|
Accounts Payable, Current |
|
2,400,000,000
|
|
|
|
|
2,400,000,000
|
2,271,000,000
|
|
Decommissioning cost study estimate |
|
8,130,000,000
|
|
|
|
|
8,130,000,000
|
|
|
Restructuring Reserve |
|
136,000,000
|
|
|
|
|
136,000,000
|
28,000,000
|
|
Regulatory assets, current |
|
$ 877,000,000
|
|
|
|
|
$ 877,000,000
|
1,115,000,000
|
|
Net Asset Percentage Limit |
|
25.00%
|
|
|
|
|
25.00%
|
|
|
Impairment charges |
|
|
|
|
|
|
$ 120,000,000
|
81,000,000
|
$ 399,000,000
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
307,000,000
|
351,000,000
|
262,000,000
|
Net property, plant and equipment |
|
$ 75,709,000,000
|
|
|
|
|
75,709,000,000
|
70,046,000,000
|
|
Regulated Revenue |
|
|
|
|
|
|
21,379,000,000
|
21,550,000,000
|
20,329,000,000
|
Regulatory assets, noncurrent |
|
11,373,000,000
|
|
|
|
|
11,373,000,000
|
11,042,000,000
|
|
Regulatory liabilities, noncurrent |
|
6,255,000,000
|
|
|
|
|
6,255,000,000
|
6,193,000,000
|
|
Regulatory assets |
|
12,250,000,000
|
|
|
|
|
12,250,000,000
|
12,157,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
6,766,000,000
|
5,384,000,000
|
5,526,000,000
|
Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
509,000,000
|
|
|
|
|
509,000,000
|
1,659,000,000
|
|
Nuclear asset securitizable balance, net [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
1,237,000,000
|
|
|
|
|
1,237,000,000
|
|
|
Nuclear Deferral [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
245,000,000
|
|
|
|
|
245,000,000
|
296,000,000
|
|
Generation Facilities To Be Retired [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Net property, plant and equipment |
|
$ 352,000,000
|
|
|
|
|
$ 352,000,000
|
|
|
Capacity (in MW) | MW |
|
|
|
|
|
|
1,821
|
|
|
Atlantic Coast Pipeline (ACP) [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
40.00%
|
|
|
|
|
40.00%
|
|
|
Sabal Trail Transmission Pipeline [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
7.50%
|
|
|
|
|
7.50%
|
|
|
Duke Energy Carolinas [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
$ 621,000,000
|
|
|
|
|
$ 621,000,000
|
642,000,000
|
|
Accounts Payable, Current |
|
753,000,000
|
|
|
|
|
753,000,000
|
709,000,000
|
|
Restructuring Reserve |
|
78,000,000
|
|
|
|
|
78,000,000
|
2,000,000
|
|
Regulatory assets, current |
|
305,000,000
|
|
|
|
|
305,000,000
|
399,000,000
|
|
Impairment charges |
|
|
|
|
|
|
1,000,000
|
3,000,000
|
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
160,000,000
|
172,000,000
|
120,000,000
|
Net property, plant and equipment |
|
25,877,000,000
|
|
|
|
|
25,877,000,000
|
24,672,000,000
|
|
Regulatory assets, noncurrent |
|
2,766,000,000
|
|
|
|
|
2,766,000,000
|
2,465,000,000
|
|
Regulatory liabilities, noncurrent |
|
2,802,000,000
|
|
|
|
|
2,802,000,000
|
2,710,000,000
|
|
Regulatory assets |
|
3,071,000,000
|
|
|
|
|
3,071,000,000
|
2,864,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
1,933,000,000
|
1,879,000,000
|
1,695,000,000
|
Duke Energy Carolinas [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
49,000,000
|
|
|
|
|
49,000,000
|
58,000,000
|
|
Duke Energy Carolinas [Member] | Nuclear Deferral [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
107,000,000
|
|
|
|
|
$ 107,000,000
|
141,000,000
|
|
Duke Energy Carolinas [Member] | Minimum [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
5 years
|
|
|
Duke Energy Carolinas [Member] | Maximum [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
10 years
|
|
|
Duke Energy Carolinas [Member] | FERC Transmission Rates [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
10.20%
|
|
|
Duke Energy Carolinas [Member] | FERC Complaint [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Public Utilities, Requested Return on Equity, Percentage |
|
|
|
|
|
|
8.49%
|
|
|
Duke Energy Carolinas [Member] | William State Lee III Nuclear Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Net property, plant and equipment |
|
471,000,000
|
|
|
|
|
$ 471,000,000
|
|
|
Duke Energy Carolinas [Member] | NCEMC [Member] | William States Lee Combined Cycle Facility [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost of new utility plant, including AFUDC |
|
$ 600,000,000
|
|
|
|
|
$ 600,000,000
|
|
|
Joint owner ownership percentage |
|
13.00%
|
|
|
|
|
13.00%
|
|
|
Duke Energy Progress [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
$ 45,000,000
|
|
|
|
|
$ 45,000,000
|
89,000,000
|
|
Accounts Payable, Current |
|
399,000,000
|
|
|
|
|
399,000,000
|
481,000,000
|
|
Restructuring Reserve |
|
19,000,000
|
|
|
|
|
19,000,000
|
1,000,000
|
|
Regulatory assets, current |
|
264,000,000
|
|
|
|
|
264,000,000
|
287,000,000
|
|
Payments to Acquire Businesses, Gross |
|
|
|
|
|
|
1,249,000,000
|
|
|
Impairment charges |
|
|
|
|
|
|
5,000,000
|
(18,000,000)
|
22,000,000
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
71,000,000
|
51,000,000
|
57,000,000
|
Net property, plant and equipment |
|
17,720,000,000
|
|
|
|
|
17,720,000,000
|
15,186,000,000
|
|
Regulatory assets, noncurrent |
|
2,710,000,000
|
|
|
|
|
2,710,000,000
|
2,675,000,000
|
|
Regulatory liabilities, noncurrent |
|
1,878,000,000
|
|
|
|
|
1,878,000,000
|
1,832,000,000
|
|
Regulatory assets |
|
2,974,000,000
|
|
|
|
|
2,974,000,000
|
2,962,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
$ 1,669,000,000
|
1,241,000,000
|
1,567,000,000
|
Duke Energy Progress [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
10 years
|
|
|
Regulatory assets |
|
179,000,000
|
|
|
|
|
$ 179,000,000
|
152,000,000
|
|
Duke Energy Progress [Member] | Nuclear Deferral [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
62,000,000
|
|
|
|
|
$ 62,000,000
|
43,000,000
|
|
Duke Energy Progress [Member] | Maximum [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
10 years
|
|
|
Duke Energy Progress [Member] | FERC Mitigation [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Impairment charges |
|
|
|
|
$ (18,000,000)
|
|
|
|
|
Duke Energy Progress [Member] | FERC Transmission Rates [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
10.80%
|
|
|
Duke Energy Progress [Member] | FERC Complaint [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Public Utilities, Requested Return on Equity, Percentage |
|
|
|
|
|
|
8.49%
|
|
|
Duke Energy Progress [Member] | Western Carolinas Modernization Plan [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost |
|
1,100,000,000
|
|
|
|
|
$ 1,100,000,000
|
|
|
Duke Energy Progress [Member] | Generation Facilities To Be Retired [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Net property, plant and equipment |
|
548,000,000
|
|
|
|
|
$ 548,000,000
|
|
|
Capacity (in MW) | MW |
|
|
|
|
|
|
376
|
|
|
Duke Energy Progress [Member] | Shearon Harris Nuclear Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Impairment charges |
|
|
|
|
|
$ 22,000,000
|
|
|
|
Regulatory assets, noncurrent |
|
48,000,000
|
|
|
|
|
$ 48,000,000
|
|
|
Duke Energy Florida [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
146,000,000
|
|
|
|
|
146,000,000
|
158,000,000
|
|
Accounts Payable, Current |
|
322,000,000
|
|
|
|
|
322,000,000
|
365,000,000
|
|
Restructuring Reserve |
|
4,000,000
|
|
|
|
|
4,000,000
|
17,000,000
|
|
Regulatory assets, current |
|
98,000,000
|
|
|
|
|
98,000,000
|
203,000,000
|
|
Payments to Acquire Businesses, Gross |
|
|
|
|
|
|
166,000,000
|
|
|
Impairment charges |
|
|
|
|
|
|
7,000,000
|
2,000,000
|
358,000,000
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
24,000,000
|
20,000,000
|
30,000,000
|
Net property, plant and equipment |
|
10,623,000,000
|
|
|
|
|
10,623,000,000
|
9,955,000,000
|
|
Regulatory assets, noncurrent |
|
2,725,000,000
|
|
|
|
|
2,725,000,000
|
2,733,000,000
|
|
Regulatory liabilities, noncurrent |
|
509,000,000
|
|
|
|
|
509,000,000
|
547,000,000
|
|
Regulatory assets |
|
2,823,000,000
|
|
|
|
|
2,823,000,000
|
2,936,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
1,029,000,000
|
699,000,000
|
915,000,000
|
Duke Energy Florida [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
230,000,000
|
|
|
|
|
230,000,000
|
1,393,000,000
|
|
Duke Energy Florida [Member] | Nuclear asset securitizable balance, net [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
1,237,000,000
|
|
|
|
|
1,237,000,000
|
|
|
Duke Energy Florida [Member] | Nuclear Deferral [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
76,000,000
|
|
|
|
|
76,000,000
|
112,000,000
|
|
Duke Energy Florida [Member] | FPSC [Member] | Removal Costs [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Amount of reduction to carrying amount of regulatory liabilities |
|
|
|
|
|
|
|
|
114,000,000
|
Duke Energy Florida [Member] | FERC Transmission Rates [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved rate increase (decrease) amount by state commission |
|
|
|
|
|
|
$ (14,100,000)
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
10.80%
|
|
|
Public Utilities, Requested Return on Equity, Percentage |
|
|
|
|
|
|
10.00%
|
|
|
Customer Refundable Fees, Refund Payments |
|
14,100,000
|
|
|
|
|
|
|
|
Duke Energy Florida [Member] | FERC Complaint 3 [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
8.69%
|
|
|
Duke Energy Florida [Member] | 2013 FPSC Settlement Agreement [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
10.50%
|
|
|
Duke Energy Florida [Member] | 2013 FPSC Settlement Agreement [Member] | Minimum [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
9.50%
|
|
|
Duke Energy Florida [Member] | 2013 FPSC Settlement Agreement [Member] | Maximum [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
11.50%
|
|
|
Duke Energy Florida [Member] | 2012 FPSC Settlement Agreement [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved rate increase (decrease) amount by state commission |
|
|
|
|
|
|
$ 150,000,000
|
|
|
Total Customer Refunds To Be Paid |
|
|
|
|
|
|
388,000,000
|
|
|
Customer Refund Liability, Current |
|
70,000,000
|
|
|
|
|
70,000,000
|
|
|
Duke Energy Florida [Member] | Generation Facilities To Be Retired [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Net property, plant and equipment |
|
131,000,000
|
|
|
|
|
$ 131,000,000
|
|
|
Capacity (in MW) | MW |
|
|
|
|
|
|
873
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Decommissioning cost study estimate |
|
1,180,000,000
|
|
|
|
|
$ 1,180,000,000
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] | ISFSI Projects [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
7.35%
|
|
|
Regulatory assets, noncurrent |
|
60,000,000
|
|
|
|
|
$ 60,000,000
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] | 2013 FPSC Settlement Agreement [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Acceleration of cash recovery through fuel clause |
|
|
|
|
|
|
47,000,000
|
|
|
Impairment charges |
|
|
|
|
|
295,000,000
|
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] | 2013 FPSC Settlement Agreement [Member] | Original Uprate Project [Member] [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets, noncurrent |
|
169,000,000
|
|
|
|
|
169,000,000
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] | 2013 FPSC Settlement Agreement [Member] | FPSC [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Impairment charges |
|
|
$ 15,000,000
|
|
|
|
|
|
|
Amount of Regulatory Costs Not yet Approved |
|
1,298,000,000
|
|
|
|
|
1,298,000,000
|
|
|
Regulatory assets, noncurrent |
|
1,283,000,000
|
|
|
|
|
$ 1,283,000,000
|
|
|
Duke Energy Florida [Member] | Crystal River Unit 3 [Member] | 2013 FPSC Settlement Agreement [Member] | FPSC [Member] | Nuclear asset securitizable balance, net [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
20 years
|
|
|
Regulatory assets, noncurrent |
|
1,283,000,000
|
|
|
|
|
$ 1,283,000,000
|
|
|
Duke Energy Florida [Member] | Levy Nuclear Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Restructuring Reserve |
|
25,000,000
|
|
|
|
|
25,000,000
|
|
|
Duke Energy Florida [Member] | Levy Nuclear Station [Member] | FPSC [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved rate increase (decrease) amount by state commission |
|
|
|
|
|
|
0
|
|
|
Duke Energy Florida [Member] | Levy Nuclear Station [Member] | 2013 FPSC Settlement Agreement [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Impairment charges |
|
|
|
|
|
$ 65,000,000
|
|
|
|
Net unrecovered investment |
|
183,000,000
|
|
|
|
|
183,000,000
|
|
|
Net property, plant and equipment |
|
105,000,000
|
|
|
|
|
105,000,000
|
|
|
Regulatory assets, noncurrent |
|
78,000,000
|
|
|
|
|
78,000,000
|
|
|
Duke Energy Florida [Member] | Citrus County Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost of new utility plant, including AFUDC |
|
1,500,000,000
|
|
|
|
|
1,500,000,000
|
|
|
Duke Energy Florida [Member] | Suwannee Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost of new utility plant, including AFUDC |
|
197,000,000
|
|
|
|
|
197,000,000
|
|
|
Duke Energy Ohio [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
165,000,000
|
|
|
|
|
165,000,000
|
166,000,000
|
|
Accounts Payable, Current |
|
207,000,000
|
|
|
|
|
207,000,000
|
209,000,000
|
|
Regulatory assets, current |
|
$ 36,000,000
|
|
|
|
|
$ 36,000,000
|
49,000,000
|
|
Limit of Total Capital |
|
30.00%
|
|
|
|
|
30.00%
|
|
|
Impairment charges |
|
|
|
|
|
|
|
94,000,000
|
5,000,000
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
$ 6,000,000
|
10,000,000
|
2,000,000
|
Net property, plant and equipment |
|
$ 5,243,000,000
|
|
|
|
|
5,243,000,000
|
4,937,000,000
|
|
Regulated Revenue |
|
|
|
|
|
|
1,331,000,000
|
1,316,000,000
|
1,258,000,000
|
Regulatory assets, noncurrent |
|
497,000,000
|
|
|
|
|
497,000,000
|
512,000,000
|
|
Regulatory liabilities, noncurrent |
|
245,000,000
|
|
|
|
|
245,000,000
|
241,000,000
|
|
Regulatory assets |
|
533,000,000
|
|
|
|
|
533,000,000
|
561,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
$ 399,000,000
|
322,000,000
|
434,000,000
|
Duke Energy Ohio [Member] | Natural Gas Rate Case [Member] | PUCO [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
9.84%
|
|
|
Duke Energy Ohio [Member] | Mgp Remediation [Member] | PUCO [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved rate increase (decrease) amount by state commission |
|
|
|
|
|
|
$ 56,000,000
|
|
|
Duke Energy Ohio [Member] | FERC Transmission Rates [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
12.38%
|
|
|
Duke Energy Ohio [Member] | FERC Complaint 1 [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
11.38%
|
|
|
Percentage Recovered Through Future Rate Case |
|
|
|
|
|
|
30.00%
|
|
|
Duke Energy Ohio [Member] | Accelerated Natural Gas Service Line Replacement Rider | PUCO [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital and operations and maintenance cost |
|
|
|
|
|
|
$ 320,000,000
|
|
|
Duke Energy Ohio [Member] | Energy Efficiency and Peak Demand Reduction Program [Member] | PUCO [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulated Revenue |
|
20,000,000
|
|
$ (23,000,000)
|
|
|
|
|
|
Duke Energy Ohio [Member] | RTO Realignment [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Restructuring Reserve |
|
$ 92,000,000
|
|
|
|
|
$ 92,000,000
|
94,000,000
|
|
Approved MVP Proposals |
|
17
|
|
|
|
|
17
|
|
|
MISO estimate of Duke Energy Ohio's MVP obligation |
|
|
|
|
|
|
$ 2,700,000,000
|
|
|
Regulatory assets |
|
$ 72,000,000
|
|
|
|
|
$ 72,000,000
|
|
|
Duke Energy Ohio [Member] | Dayton Power and Light [Member] | East Bend Station [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
31.00%
|
|
|
|
|
|
|
|
|
Capital expenditures |
$ 12,400,000
|
|
|
|
|
|
|
|
|
Duke Energy Kentucky [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Required Equity Capital Structure Percent |
|
35.00%
|
|
|
|
|
35.00%
|
|
|
Duke Energy Indiana [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Other Liabilities |
|
$ 65,000,000
|
|
|
|
|
$ 65,000,000
|
90,000,000
|
|
Accounts Payable, Current |
|
189,000,000
|
|
|
|
|
189,000,000
|
179,000,000
|
|
Regulatory assets, current |
|
102,000,000
|
|
|
|
|
102,000,000
|
93,000,000
|
|
Impairment charges |
|
|
|
|
|
|
88,000,000
|
|
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
11,000,000
|
22,000,000
|
18,000,000
|
Net property, plant and equipment |
|
9,523,000,000
|
|
|
|
|
9,523,000,000
|
8,815,000,000
|
|
Regulatory assets, noncurrent |
|
716,000,000
|
|
|
|
|
716,000,000
|
685,000,000
|
|
Regulatory liabilities, noncurrent |
|
754,000,000
|
|
|
|
|
754,000,000
|
796,000,000
|
|
Regulatory assets |
|
818,000,000
|
|
|
|
|
818,000,000
|
778,000,000
|
|
Capital expenditures |
|
|
|
|
|
|
690,000,000
|
625,000,000
|
$ 545,000,000
|
Duke Energy Indiana [Member] | Retired Generation Facilities [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Regulatory assets |
|
51,000,000
|
|
|
|
|
$ 51,000,000
|
$ 56,000,000
|
|
Duke Energy Indiana [Member] | FERC Transmission Rates [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
12.38%
|
|
|
Duke Energy Indiana [Member] | FERC Transmission Rates [Member] | Federal Energy Regulatory Commission [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Approved return on equity percentage amount by state commission |
|
|
|
|
|
|
0.50%
|
|
|
Duke Energy Indiana [Member] | FERC Complaint 2 [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Public Utilities, Requested Return on Equity, Percentage |
|
|
|
|
|
|
8.67%
|
|
|
Duke Energy Indiana [Member] | FERC Complaint 2 [Member] | Federal Energy Regulatory Commission [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Public Utilities, Requested Return on Equity, Percentage |
|
|
|
|
|
|
10.32%
|
|
|
Duke Energy Indiana [Member] | Grid Infrastructure Improvement Plan [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost |
|
1,900,000,000
|
|
|
|
|
$ 1,900,000,000
|
|
|
Duke Energy Indiana [Member] | Revised Grid Infrastructure Improvement Plan [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Estimated capital cost |
|
1,800,000,000
|
|
|
|
|
1,800,000,000
|
|
|
Duke Energy Indiana [Member] | Edwardsport IGCC Plant [Member] | IGCC Rider Proceeding [Member] | IURC [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Amount of Impairment to Carrying Amount of Regulatory Assets |
|
80,300,000
|
|
|
|
|
80,300,000
|
|
|
Other Liabilities |
|
7,200,000
|
|
|
|
|
7,200,000
|
|
|
Legal Fees |
|
|
|
|
|
|
5,500,000
|
|
|
Accounts Payable, Current |
|
5,500,000
|
|
|
|
|
$ 5,500,000
|
|
|
Regulatory Noncurrent Asset, Amortization Period |
|
|
|
|
|
|
8 years
|
|
|
Impairment charges |
|
|
|
|
|
|
$ 87,500,000
|
|
|
Other Nonoperating Income (Expense) |
|
|
|
|
|
|
5,500,000
|
|
|
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount |
|
|
|
|
|
|
(87,500,000)
|
|
|
Regulatory assets |
|
128,000,000
|
|
|
|
|
128,000,000
|
|
|
Duke Energy Indiana [Member] | Generation Facilities To Be Retired [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Net property, plant and equipment |
|
$ 221,000,000
|
|
|
|
|
$ 221,000,000
|
|
|
Capacity (in MW) | MW |
|
|
|
|
|
|
948
|
|
|
Dominion Resources [Member] | Atlantic Coast Pipeline (ACP) [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
45.00%
|
|
|
|
|
45.00%
|
|
|
Piedmont Natural Gas [Member] | Atlantic Coast Pipeline (ACP) [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
10.00%
|
|
|
|
|
10.00%
|
|
|
Spectra Energy [Member] | Sabal Trail Transmission Pipeline [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
59.50%
|
|
|
|
|
59.50%
|
|
|
NextEra [Member] | Sabal Trail Transmission Pipeline [Member] |
|
|
|
|
|
|
|
|
|
Public Utilities, General Disclosures [Line Items] |
|
|
|
|
|
|
|
|
|
Joint owner ownership percentage |
|
33.00%
|
|
|
|
|
33.00%
|
|
|