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Financing Activities (Tables)
9 Months Ended
Sep. 30, 2016
Long-term Debt
Type of Debt
 
September 30, 2016
 
 
December 31, 2015
 
 
(in millions)
Senior Unsecured Notes
 
$
14,073.9

(a)
 
$
13,629.1

Pollution Control Bonds
 
1,724.5

 
 
1,784.8

Notes Payable
 
268.5

 
 
264.7

Securitization Bonds
 
1,737.6

 
 
2,024.0

Spent Nuclear Fuel Obligation (b)
 
266.1

 
 
265.6

Other Long-term Debt
 
1,768.9

 
 
1,604.5

Total Long-term Debt Outstanding
 
19,839.5

(a)
 
19,572.7

Long-term Debt Due Within One Year
 
2,519.6

(a)
 
1,831.8

Long-term Debt
 
$
17,319.9

 
 
$
17,740.9


(a)
Amounts include debt related to the Lawrenceburg Plant that has been classified as Liabilities Held for Sale on the balance sheet. See “Gavin, Waterford, Darby and Lawrenceburg Plants (Generation & Marketing Segment)” section of Note 6 for additional information.
(b)
Pursuant to the Nuclear Waste Policy Act of 1982, I&M, a nuclear licensee, has an obligation to the United States Department of Energy for spent nuclear fuel disposal.  The obligation includes a one-time fee for nuclear fuel consumed prior to April 7, 1983.  Trust fund assets related to this obligation were $309 million and $309 million as of September 30, 2016 and December 31, 2015, respectively, and are included in Spent Nuclear Fuel and Decommissioning Trusts on the balance sheets.
Long-term Debt Issuances
Company
 
Type of Debt
 
Principal Amount (a)
 
Interest Rate
 
Due Date
Issuances:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Other Long-term Debt
 
$
125.0

 
Variable
 
2019
APCo
 
Pollution Control Bonds
 
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.4

 
1.70
 
2020
I&M
 
Notes Payable
 
87.9

 
Variable
 
2020
I&M
 
Senior Unsecured Notes
 
400.0

 
4.55
 
2046
PSO
 
Senior Unsecured Notes
 
50.0

 
3.05
 
2026
PSO
 
Senior Unsecured Notes
 
100.0

 
4.11
 
2046
SWEPCo
 
Other Long-term Debt
 
5.2

 
3.50
 
2023
SWEPCo
 
Senior Unsecured Notes
 
400.0

 
2.75
 
2026
 
 
 
 


 

 

Non-Registrant:
 
 
 


 

 

TCC
 
Other Long-term Debt
 
125.0

 
Variable
 
2019
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2019
Transource Missouri
 
Other Long-term Debt
 
11.5

 
Variable
 
2018
Total Issuances
 
 
 
$
1,570.3

 

 


(a)
Amounts indicated on the statements of cash flows are net of issuance costs and premium or discount and will not tie to the issuance amounts.
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Short Term Debt
 
 
September 30, 2016
 
December 31, 2015
Type of Debt
 
Outstanding
Amount
 
Interest
Rate (a)
 
Outstanding
Amount
 
Interest
Rate (a)
 
 
(in millions)
 
 
 
(in millions)
 
 
Securitized Debt for Receivables (b)
 
$
750.0

 
0.65
%
 
$
675.0

 
0.30
%
Commercial Paper
 
728.3

 
0.90
%
 
125.0

 
0.81
%
Total Short-term Debt
 
$
1,478.3

 
 

 
$
800.0

 
 


(a)
Weighted average rate.
(b)
Amount of securitized debt for receivables as accounted for under the “Transfers and Servicing” accounting guidance.
Comparative Accounts Receivable Information
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
 
2016
 
2015
 
2016
 
2015
 
 
(dollars in millions)
Effective Interest Rates on Securitization of Accounts Receivable
 
0.73
%
 
0.30
%
 
0.65
%
 
0.28
%
Net Uncollectible Accounts Receivable Written Off
 
$
7.7

 
$
13.5

 
$
17.5

 
$
27.5

Customer Accounts Receivable Managed Portfolio
 
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
Accounts Receivable Retained Interest and Pledged as Collateral Less Uncollectible Accounts
 
$
1,037.7

 
$
924.8

Total Principal Outstanding
 
750.0

 
675.0

Delinquent Securitized Accounts Receivable
 
47.7

 
48.3

Bad Debt Reserves Related to Securitization of Accounts Receivable
 
27.8

 
17.5

Unbilled Receivables Related to Securitization of Accounts Receivable
 
297.1

 
357.8

Appalachian Power Co [Member]  
Long-term Debt Issuances
Company
 
Type of Debt
 
Principal Amount (a)
 
Interest Rate
 
Due Date
Issuances:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Other Long-term Debt
 
$
125.0

 
Variable
 
2019
APCo
 
Pollution Control Bonds
 
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.4

 
1.70
 
2020
I&M
 
Notes Payable
 
87.9

 
Variable
 
2020
I&M
 
Senior Unsecured Notes
 
400.0

 
4.55
 
2046
PSO
 
Senior Unsecured Notes
 
50.0

 
3.05
 
2026
PSO
 
Senior Unsecured Notes
 
100.0

 
4.11
 
2046
SWEPCo
 
Other Long-term Debt
 
5.2

 
3.50
 
2023
SWEPCo
 
Senior Unsecured Notes
 
400.0

 
2.75
 
2026
 
 
 
 


 

 

Non-Registrant:
 
 
 


 

 

TCC
 
Other Long-term Debt
 
125.0

 
Variable
 
2019
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2019
Transource Missouri
 
Other Long-term Debt
 
11.5

 
Variable
 
2018
Total Issuances
 
 
 
$
1,570.3

 

 


(a)
Amounts indicated on the statements of cash flows are net of issuance costs and premium or discount and will not tie to the issuance amounts.
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Utility Money Pool Participants' Money Pool Activity and Authorized Borrowing Limits
 
 
Maximum
 
 
 
Average
 
 
 
Net Loans to
 
 
 
 
Borrowings
 
Maximum
 
Borrowings
 
Average
 
(Borrowings from)
 
Authorized
 
 
from the
 
Loans to the
 
from the
 
Loans to the
 
the Utility Money
 
Short-term
 
 
Utility
 
Utility
 
Utility
 
Utility
 
Pool as of
 
Borrowing
Company
 
Money Pool
 
Money Pool
 
Money Pool
 
Money Pool
 
September 30, 2016
 
Limit
 
 
(in millions)
APCo
 
$
286.9

 
$
25.7

 
$
165.5

 
$
24.9

 
$
(59.7
)
 
$
600.0

I&M
 
369.1

 
97.6

 
118.9

 
21.8

 
(13.9
)
 
500.0

OPCo
 
227.9

 
379.2

 
137.8

 
251.1

 
0.2

 
400.0

PSO
 
9.6

 
205.4

 
5.1

 
47.0

 
51.1

 
300.0

SWEPCo
 
249.4

 
308.2

 
171.8

 
302.8

 
297.4

 
350.0

Maximum and Minimum Interest Rates for Funds Either Borrowed from or Loaned to Utility Money Pool
 
 
Nine Months Ended September 30,
 
 
2016
 
2015
Maximum Interest Rate
 
0.91
%
 
0.59
%
Minimum Interest Rate
 
0.69
%
 
0.39
%
Average Interest Rates for Funds Borrowed from and Loaned to Utility Money Pool
 
 
Average Interest Rate
 
Average Interest Rate
 
 
for Funds Borrowed
 
for Funds Loaned
 
 
from the Utility Money Pool for
 
to the Utility Money Pool for
 
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
APCo
 
0.78
%
 
0.46
%
 
0.79
%
 
0.46
%
I&M
 
0.73
%
 
0.47
%
 
0.78
%
 
0.46
%
OPCo
 
0.85
%
 
%
 
0.74
%
 
0.47
%
PSO
 
0.76
%
 
0.49
%
 
0.81
%
 
0.46
%
SWEPCo
 
0.79
%
 
0.46
%
 
0.91
%
 
0.48
%
Accounts Receivable and Accrued Unbilled Revenues
Company
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
APCo
 
$
131.9

 
$
135.4

I&M
 
152.5

 
134.8

OPCo
 
407.1

 
351.4

PSO
 
146.1

 
116.1

SWEPCo
 
170.0

 
151.8

Fees Paid to AEP Credit for Customer Accounts Receivable Sold
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
1.6

 
$
2.0

 
$
5.4

 
$
6.0

I&M
 
2.0

 
2.2

 
5.6

 
6.6

OPCo
 
8.1

 
8.5

 
23.4

 
23.2

PSO
 
1.8

 
1.7

 
4.7

 
4.5

SWEPCo
 
2.1

 
2.0

 
5.3

 
5.3

Proceeds on Sale of Receivables to AEP Credit
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
361.7

 
$
355.3

 
$
1,071.6

 
$
1,115.5

I&M
 
448.0

 
401.5

 
1,220.2

 
1,192.1

OPCo
 
750.9

 
670.7

 
2,011.2

 
1,949.0

PSO
 
390.6

 
411.5

 
971.9

 
1,025.9

SWEPCo
 
460.4

 
468.0

 
1,183.9

 
1,222.3

Indiana Michigan Power Co [Member]  
Long-term Debt Issuances
Company
 
Type of Debt
 
Principal Amount (a)
 
Interest Rate
 
Due Date
Issuances:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Other Long-term Debt
 
$
125.0

 
Variable
 
2019
APCo
 
Pollution Control Bonds
 
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.4

 
1.70
 
2020
I&M
 
Notes Payable
 
87.9

 
Variable
 
2020
I&M
 
Senior Unsecured Notes
 
400.0

 
4.55
 
2046
PSO
 
Senior Unsecured Notes
 
50.0

 
3.05
 
2026
PSO
 
Senior Unsecured Notes
 
100.0

 
4.11
 
2046
SWEPCo
 
Other Long-term Debt
 
5.2

 
3.50
 
2023
SWEPCo
 
Senior Unsecured Notes
 
400.0

 
2.75
 
2026
 
 
 
 


 

 

Non-Registrant:
 
 
 


 

 

TCC
 
Other Long-term Debt
 
125.0

 
Variable
 
2019
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2019
Transource Missouri
 
Other Long-term Debt
 
11.5

 
Variable
 
2018
Total Issuances
 
 
 
$
1,570.3

 

 


(a)
Amounts indicated on the statements of cash flows are net of issuance costs and premium or discount and will not tie to the issuance amounts.
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Utility Money Pool Participants' Money Pool Activity and Authorized Borrowing Limits
 
 
Maximum
 
 
 
Average
 
 
 
Net Loans to
 
 
 
 
Borrowings
 
Maximum
 
Borrowings
 
Average
 
(Borrowings from)
 
Authorized
 
 
from the
 
Loans to the
 
from the
 
Loans to the
 
the Utility Money
 
Short-term
 
 
Utility
 
Utility
 
Utility
 
Utility
 
Pool as of
 
Borrowing
Company
 
Money Pool
 
Money Pool
 
Money Pool
 
Money Pool
 
September 30, 2016
 
Limit
 
 
(in millions)
APCo
 
$
286.9

 
$
25.7

 
$
165.5

 
$
24.9

 
$
(59.7
)
 
$
600.0

I&M
 
369.1

 
97.6

 
118.9

 
21.8

 
(13.9
)
 
500.0

OPCo
 
227.9

 
379.2

 
137.8

 
251.1

 
0.2

 
400.0

PSO
 
9.6

 
205.4

 
5.1

 
47.0

 
51.1

 
300.0

SWEPCo
 
249.4

 
308.2

 
171.8

 
302.8

 
297.4

 
350.0

Maximum and Minimum Interest Rates for Funds Either Borrowed from or Loaned to Utility Money Pool
 
 
Nine Months Ended September 30,
 
 
2016
 
2015
Maximum Interest Rate
 
0.91
%
 
0.59
%
Minimum Interest Rate
 
0.69
%
 
0.39
%
Average Interest Rates for Funds Borrowed from and Loaned to Utility Money Pool
 
 
Average Interest Rate
 
Average Interest Rate
 
 
for Funds Borrowed
 
for Funds Loaned
 
 
from the Utility Money Pool for
 
to the Utility Money Pool for
 
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
APCo
 
0.78
%
 
0.46
%
 
0.79
%
 
0.46
%
I&M
 
0.73
%
 
0.47
%
 
0.78
%
 
0.46
%
OPCo
 
0.85
%
 
%
 
0.74
%
 
0.47
%
PSO
 
0.76
%
 
0.49
%
 
0.81
%
 
0.46
%
SWEPCo
 
0.79
%
 
0.46
%
 
0.91
%
 
0.48
%
Accounts Receivable and Accrued Unbilled Revenues
Company
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
APCo
 
$
131.9

 
$
135.4

I&M
 
152.5

 
134.8

OPCo
 
407.1

 
351.4

PSO
 
146.1

 
116.1

SWEPCo
 
170.0

 
151.8

Fees Paid to AEP Credit for Customer Accounts Receivable Sold
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
1.6

 
$
2.0

 
$
5.4

 
$
6.0

I&M
 
2.0

 
2.2

 
5.6

 
6.6

OPCo
 
8.1

 
8.5

 
23.4

 
23.2

PSO
 
1.8

 
1.7

 
4.7

 
4.5

SWEPCo
 
2.1

 
2.0

 
5.3

 
5.3

Proceeds on Sale of Receivables to AEP Credit
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
361.7

 
$
355.3

 
$
1,071.6

 
$
1,115.5

I&M
 
448.0

 
401.5

 
1,220.2

 
1,192.1

OPCo
 
750.9

 
670.7

 
2,011.2

 
1,949.0

PSO
 
390.6

 
411.5

 
971.9

 
1,025.9

SWEPCo
 
460.4

 
468.0

 
1,183.9

 
1,222.3

Ohio Power Co [Member]  
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Utility Money Pool Participants' Money Pool Activity and Authorized Borrowing Limits
 
 
Maximum
 
 
 
Average
 
 
 
Net Loans to
 
 
 
 
Borrowings
 
Maximum
 
Borrowings
 
Average
 
(Borrowings from)
 
Authorized
 
 
from the
 
Loans to the
 
from the
 
Loans to the
 
the Utility Money
 
Short-term
 
 
Utility
 
Utility
 
Utility
 
Utility
 
Pool as of
 
Borrowing
Company
 
Money Pool
 
Money Pool
 
Money Pool
 
Money Pool
 
September 30, 2016
 
Limit
 
 
(in millions)
APCo
 
$
286.9

 
$
25.7

 
$
165.5

 
$
24.9

 
$
(59.7
)
 
$
600.0

I&M
 
369.1

 
97.6

 
118.9

 
21.8

 
(13.9
)
 
500.0

OPCo
 
227.9

 
379.2

 
137.8

 
251.1

 
0.2

 
400.0

PSO
 
9.6

 
205.4

 
5.1

 
47.0

 
51.1

 
300.0

SWEPCo
 
249.4

 
308.2

 
171.8

 
302.8

 
297.4

 
350.0

Maximum and Minimum Interest Rates for Funds Either Borrowed from or Loaned to Utility Money Pool
 
 
Nine Months Ended September 30,
 
 
2016
 
2015
Maximum Interest Rate
 
0.91
%
 
0.59
%
Minimum Interest Rate
 
0.69
%
 
0.39
%
Average Interest Rates for Funds Borrowed from and Loaned to Utility Money Pool
 
 
Average Interest Rate
 
Average Interest Rate
 
 
for Funds Borrowed
 
for Funds Loaned
 
 
from the Utility Money Pool for
 
to the Utility Money Pool for
 
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
APCo
 
0.78
%
 
0.46
%
 
0.79
%
 
0.46
%
I&M
 
0.73
%
 
0.47
%
 
0.78
%
 
0.46
%
OPCo
 
0.85
%
 
%
 
0.74
%
 
0.47
%
PSO
 
0.76
%
 
0.49
%
 
0.81
%
 
0.46
%
SWEPCo
 
0.79
%
 
0.46
%
 
0.91
%
 
0.48
%
Accounts Receivable and Accrued Unbilled Revenues
Company
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
APCo
 
$
131.9

 
$
135.4

I&M
 
152.5

 
134.8

OPCo
 
407.1

 
351.4

PSO
 
146.1

 
116.1

SWEPCo
 
170.0

 
151.8

Fees Paid to AEP Credit for Customer Accounts Receivable Sold
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
1.6

 
$
2.0

 
$
5.4

 
$
6.0

I&M
 
2.0

 
2.2

 
5.6

 
6.6

OPCo
 
8.1

 
8.5

 
23.4

 
23.2

PSO
 
1.8

 
1.7

 
4.7

 
4.5

SWEPCo
 
2.1

 
2.0

 
5.3

 
5.3

Proceeds on Sale of Receivables to AEP Credit
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
361.7

 
$
355.3

 
$
1,071.6

 
$
1,115.5

I&M
 
448.0

 
401.5

 
1,220.2

 
1,192.1

OPCo
 
750.9

 
670.7

 
2,011.2

 
1,949.0

PSO
 
390.6

 
411.5

 
971.9

 
1,025.9

SWEPCo
 
460.4

 
468.0

 
1,183.9

 
1,222.3

Public Service Co Of Oklahoma [Member]  
Long-term Debt Issuances
Company
 
Type of Debt
 
Principal Amount (a)
 
Interest Rate
 
Due Date
Issuances:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Other Long-term Debt
 
$
125.0

 
Variable
 
2019
APCo
 
Pollution Control Bonds
 
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.4

 
1.70
 
2020
I&M
 
Notes Payable
 
87.9

 
Variable
 
2020
I&M
 
Senior Unsecured Notes
 
400.0

 
4.55
 
2046
PSO
 
Senior Unsecured Notes
 
50.0

 
3.05
 
2026
PSO
 
Senior Unsecured Notes
 
100.0

 
4.11
 
2046
SWEPCo
 
Other Long-term Debt
 
5.2

 
3.50
 
2023
SWEPCo
 
Senior Unsecured Notes
 
400.0

 
2.75
 
2026
 
 
 
 


 

 

Non-Registrant:
 
 
 


 

 

TCC
 
Other Long-term Debt
 
125.0

 
Variable
 
2019
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2019
Transource Missouri
 
Other Long-term Debt
 
11.5

 
Variable
 
2018
Total Issuances
 
 
 
$
1,570.3

 

 


(a)
Amounts indicated on the statements of cash flows are net of issuance costs and premium or discount and will not tie to the issuance amounts.
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Utility Money Pool Participants' Money Pool Activity and Authorized Borrowing Limits
 
 
Maximum
 
 
 
Average
 
 
 
Net Loans to
 
 
 
 
Borrowings
 
Maximum
 
Borrowings
 
Average
 
(Borrowings from)
 
Authorized
 
 
from the
 
Loans to the
 
from the
 
Loans to the
 
the Utility Money
 
Short-term
 
 
Utility
 
Utility
 
Utility
 
Utility
 
Pool as of
 
Borrowing
Company
 
Money Pool
 
Money Pool
 
Money Pool
 
Money Pool
 
September 30, 2016
 
Limit
 
 
(in millions)
APCo
 
$
286.9

 
$
25.7

 
$
165.5

 
$
24.9

 
$
(59.7
)
 
$
600.0

I&M
 
369.1

 
97.6

 
118.9

 
21.8

 
(13.9
)
 
500.0

OPCo
 
227.9

 
379.2

 
137.8

 
251.1

 
0.2

 
400.0

PSO
 
9.6

 
205.4

 
5.1

 
47.0

 
51.1

 
300.0

SWEPCo
 
249.4

 
308.2

 
171.8

 
302.8

 
297.4

 
350.0

Maximum and Minimum Interest Rates for Funds Either Borrowed from or Loaned to Utility Money Pool
 
 
Nine Months Ended September 30,
 
 
2016
 
2015
Maximum Interest Rate
 
0.91
%
 
0.59
%
Minimum Interest Rate
 
0.69
%
 
0.39
%
Average Interest Rates for Funds Borrowed from and Loaned to Utility Money Pool
 
 
Average Interest Rate
 
Average Interest Rate
 
 
for Funds Borrowed
 
for Funds Loaned
 
 
from the Utility Money Pool for
 
to the Utility Money Pool for
 
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
APCo
 
0.78
%
 
0.46
%
 
0.79
%
 
0.46
%
I&M
 
0.73
%
 
0.47
%
 
0.78
%
 
0.46
%
OPCo
 
0.85
%
 
%
 
0.74
%
 
0.47
%
PSO
 
0.76
%
 
0.49
%
 
0.81
%
 
0.46
%
SWEPCo
 
0.79
%
 
0.46
%
 
0.91
%
 
0.48
%
Accounts Receivable and Accrued Unbilled Revenues
Company
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
APCo
 
$
131.9

 
$
135.4

I&M
 
152.5

 
134.8

OPCo
 
407.1

 
351.4

PSO
 
146.1

 
116.1

SWEPCo
 
170.0

 
151.8

Fees Paid to AEP Credit for Customer Accounts Receivable Sold
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
1.6

 
$
2.0

 
$
5.4

 
$
6.0

I&M
 
2.0

 
2.2

 
5.6

 
6.6

OPCo
 
8.1

 
8.5

 
23.4

 
23.2

PSO
 
1.8

 
1.7

 
4.7

 
4.5

SWEPCo
 
2.1

 
2.0

 
5.3

 
5.3

Proceeds on Sale of Receivables to AEP Credit
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
361.7

 
$
355.3

 
$
1,071.6

 
$
1,115.5

I&M
 
448.0

 
401.5

 
1,220.2

 
1,192.1

OPCo
 
750.9

 
670.7

 
2,011.2

 
1,949.0

PSO
 
390.6

 
411.5

 
971.9

 
1,025.9

SWEPCo
 
460.4

 
468.0

 
1,183.9

 
1,222.3

Southwestern Electric Power Co [Member]  
Long-term Debt Issuances
Company
 
Type of Debt
 
Principal Amount (a)
 
Interest Rate
 
Due Date
Issuances:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Other Long-term Debt
 
$
125.0

 
Variable
 
2019
APCo
 
Pollution Control Bonds
 
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.4

 
1.70
 
2020
I&M
 
Notes Payable
 
87.9

 
Variable
 
2020
I&M
 
Senior Unsecured Notes
 
400.0

 
4.55
 
2046
PSO
 
Senior Unsecured Notes
 
50.0

 
3.05
 
2026
PSO
 
Senior Unsecured Notes
 
100.0

 
4.11
 
2046
SWEPCo
 
Other Long-term Debt
 
5.2

 
3.50
 
2023
SWEPCo
 
Senior Unsecured Notes
 
400.0

 
2.75
 
2026
 
 
 
 


 

 

Non-Registrant:
 
 
 


 

 

TCC
 
Other Long-term Debt
 
125.0

 
Variable
 
2019
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2019
Transource Missouri
 
Other Long-term Debt
 
11.5

 
Variable
 
2018
Total Issuances
 
 
 
$
1,570.3

 

 


(a)
Amounts indicated on the statements of cash flows are net of issuance costs and premium or discount and will not tie to the issuance amounts.
Retirements and Principal Payments
Company
 
Type of Debt
 
 Principal Amount Paid
 
Interest Rate
 
Due Date
Retirements and Principal Payments:
 
 
 
(in millions)
 
(%)
 
 
APCo
 
Pollution Control Bonds
 
$
125.3

 
Variable
 
2016
APCo
 
Pollution Control Bonds
 
65.3

 
2.25
 
2016
APCo
 
Securitization Bonds
 
23.0

 
2.008
 
2024
I&M
 
Notes Payable
 
0.8

 
Variable
 
2016
I&M
 
Notes Payable
 
0.5

 
2.12
 
2016
I&M
 
Notes Payable
 
12.6

 
Variable
 
2017
I&M
 
Notes Payable
 
24.8

 
Variable
 
2019
I&M
 
Notes Payable
 
31.0

 
Variable
 
2019
I&M
 
Notes Payable
 
6.1

 
Variable
 
2020
I&M
 
Other Long-term Debt
 
1.0

 
6.00
 
2025
OPCo
 
Other Long-term Debt
 
0.1

 
1.149
 
2028
OPCo
 
Securitization Bonds
 
45.8

 
0.958
 
2018
OPCo
 
Senior Unsecured Notes
 
350.0

 
6.00
 
2016
PSO
 
Other Long-term Debt
 
0.3

 
3.00
 
2027
PSO
 
Senior Unsecured Notes
 
150.0

 
6.15
 
2016
SWEPCo
 
Notes Payable
 
3.3

 
4.58
 
2032
 
 
 
 
 
 
 
 
 
Non-Registrant:
 
 
 
 
 
 
 
 
AEGCo
 
Senior Unsecured Notes
 
7.3

 
6.33
 
2037
AEP Subsidiaries
 
Notes Payable
 
5.1

 
Variable
 
2017
AEP Subsidiaries
 
Notes Payable
 
0.1

 
5.75
 
2021
AGR
 
Pollution Control Bonds
 
60.0

 
Variable
 
2016
TCC
 
Other Long-term Debt
 
100.0

 
Variable
 
2016
TCC
 
Securitization Bonds
 
44.2

 
6.25
 
2016
TCC
 
Securitization Bonds
 
149.1

 
5.17
 
2018
TCC
 
Securitization Bonds
 
26.9

 
0.88
 
2017
TNC
 
Other Long-term Debt
 
75.0

 
Variable
 
2016
Total Retirements and Principal Payments
 
 
 
$
1,307.6

 
 
 
 
Utility Money Pool Participants' Money Pool Activity and Authorized Borrowing Limits
 
 
Maximum
 
 
 
Average
 
 
 
Net Loans to
 
 
 
 
Borrowings
 
Maximum
 
Borrowings
 
Average
 
(Borrowings from)
 
Authorized
 
 
from the
 
Loans to the
 
from the
 
Loans to the
 
the Utility Money
 
Short-term
 
 
Utility
 
Utility
 
Utility
 
Utility
 
Pool as of
 
Borrowing
Company
 
Money Pool
 
Money Pool
 
Money Pool
 
Money Pool
 
September 30, 2016
 
Limit
 
 
(in millions)
APCo
 
$
286.9

 
$
25.7

 
$
165.5

 
$
24.9

 
$
(59.7
)
 
$
600.0

I&M
 
369.1

 
97.6

 
118.9

 
21.8

 
(13.9
)
 
500.0

OPCo
 
227.9

 
379.2

 
137.8

 
251.1

 
0.2

 
400.0

PSO
 
9.6

 
205.4

 
5.1

 
47.0

 
51.1

 
300.0

SWEPCo
 
249.4

 
308.2

 
171.8

 
302.8

 
297.4

 
350.0

Nonutility Money Pool Activity
Maximum
 
Average
 
Loans
Loans
 
Loans
 
to the Nonutility
to the Nonutility
 
to the Nonutility
 
Money Pool as of
Money Pool
 
Money Pool
 
September 30, 2016
(in millions)
$
2.0

 
$
2.0

 
$
2.0

Maximum and Minimum Interest Rates for Funds Either Borrowed from or Loaned to Utility Money Pool
 
 
Nine Months Ended September 30,
 
 
2016
 
2015
Maximum Interest Rate
 
0.91
%
 
0.59
%
Minimum Interest Rate
 
0.69
%
 
0.39
%
Average Interest Rates for Funds Borrowed from and Loaned to Utility Money Pool
 
 
Average Interest Rate
 
Average Interest Rate
 
 
for Funds Borrowed
 
for Funds Loaned
 
 
from the Utility Money Pool for
 
to the Utility Money Pool for
 
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
APCo
 
0.78
%
 
0.46
%
 
0.79
%
 
0.46
%
I&M
 
0.73
%
 
0.47
%
 
0.78
%
 
0.46
%
OPCo
 
0.85
%
 
%
 
0.74
%
 
0.47
%
PSO
 
0.76
%
 
0.49
%
 
0.81
%
 
0.46
%
SWEPCo
 
0.79
%
 
0.46
%
 
0.91
%
 
0.48
%
Maximum Minimum Average Interest Rates for Funds Borrowed from Loaned to Nonutility Money Pool
Maximum
 
Minimum
 
Average
Interest Rate
 
Interest Rate
 
Interest Rate
for Funds
 
for Funds
 
for Funds
Loaned to
 
Loaned to
 
Loaned to
the Nonutility
 
the Nonutility
 
the Nonutility
Money Pool
 
Money Pool
 
Money Pool
0.91
%
 
0.69
%
 
0.79
%
Accounts Receivable and Accrued Unbilled Revenues
Company
 
September 30, 2016
 
December 31, 2015
 
 
(in millions)
APCo
 
$
131.9

 
$
135.4

I&M
 
152.5

 
134.8

OPCo
 
407.1

 
351.4

PSO
 
146.1

 
116.1

SWEPCo
 
170.0

 
151.8

Fees Paid to AEP Credit for Customer Accounts Receivable Sold
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
1.6

 
$
2.0

 
$
5.4

 
$
6.0

I&M
 
2.0

 
2.2

 
5.6

 
6.6

OPCo
 
8.1

 
8.5

 
23.4

 
23.2

PSO
 
1.8

 
1.7

 
4.7

 
4.5

SWEPCo
 
2.1

 
2.0

 
5.3

 
5.3

Proceeds on Sale of Receivables to AEP Credit
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Company
 
2016
 
2015
 
2016
 
2015
 
 
(in millions)
APCo
 
$
361.7

 
$
355.3

 
$
1,071.6

 
$
1,115.5

I&M
 
448.0

 
401.5

 
1,220.2

 
1,192.1

OPCo
 
750.9

 
670.7

 
2,011.2

 
1,949.0

PSO
 
390.6

 
411.5

 
971.9

 
1,025.9

SWEPCo
 
460.4

 
468.0

 
1,183.9

 
1,222.3