Commitments, Guarantees and Contingencies (Tables)

6 Months Ended

Jun. 30, 2014

Appalachian Power Co [Member]

Maximum Future Payments of Letters of Credit

Company	Amount		Maturity
	(in thousands)
I&M	$	150	March 2015
OPCo	4,200		June 2015

Pollution Control Bonds Supported by Bilateral Letters of Credit

Company	Pollution Control Bonds		Bilateral Letters of Credit		Maturity of Bilateral Letters of Credit
	(in thousands)
APCo	$	229,650	$	232,293	March 2016 to March 2017
I&M	77,000		77,886		March 2015

Maximum Potential Loss on Master Lease Agreements

Company	Maximum Potential Loss
	(in thousands)
APCo	$	3,671
I&M	2,618
OPCo	4,161
PSO	1,505
SWEPCo	2,438

Indiana Michigan Power Co [Member]

Maximum Future Payments of Letters of Credit

Company	Amount		Maturity
	(in thousands)
I&M	$	150	March 2015
OPCo	4,200		June 2015

Pollution Control Bonds Supported by Bilateral Letters of Credit

Company	Pollution Control Bonds		Bilateral Letters of Credit		Maturity of Bilateral Letters of Credit
	(in thousands)
APCo	$	229,650	$	232,293	March 2016 to March 2017
I&M	77,000		77,886		March 2015

Maximum Potential Loss on Master Lease Agreements

Company	Maximum Potential Loss
	(in thousands)
APCo	$	3,671
I&M	2,618
OPCo	4,161
PSO	1,505
SWEPCo	2,438

Ohio Power Co [Member]

Maximum Future Payments of Letters of Credit

Company	Amount		Maturity
	(in thousands)
I&M	$	150	March 2015
OPCo	4,200		June 2015

Pollution Control Bonds Supported by Bilateral Letters of Credit

Company	Pollution Control Bonds		Bilateral Letters of Credit		Maturity of Bilateral Letters of Credit
	(in thousands)
APCo	$	229,650	$	232,293	March 2016 to March 2017
I&M	77,000		77,886		March 2015

Maximum Potential Loss on Master Lease Agreements

Company	Maximum Potential Loss
	(in thousands)
APCo	$	3,671
I&M	2,618
OPCo	4,161
PSO	1,505
SWEPCo	2,438

Public Service Co Of Oklahoma [Member]

Maximum Future Payments of Letters of Credit

Company	Amount		Maturity
	(in thousands)
I&M	$	150	March 2015
OPCo	4,200		June 2015

Pollution Control Bonds Supported by Bilateral Letters of Credit

Company	Pollution Control Bonds		Bilateral Letters of Credit		Maturity of Bilateral Letters of Credit
	(in thousands)
APCo	$	229,650	$	232,293	March 2016 to March 2017
I&M	77,000		77,886		March 2015

Maximum Potential Loss on Master Lease Agreements

Company	Maximum Potential Loss
	(in thousands)
APCo	$	3,671
I&M	2,618
OPCo	4,161
PSO	1,505
SWEPCo	2,438

Southwestern Electric Power Co [Member]

Maximum Future Payments of Letters of Credit

Company	Amount		Maturity
	(in thousands)
I&M	$	150	March 2015
OPCo	4,200		June 2015

Pollution Control Bonds Supported by Bilateral Letters of Credit

Company	Pollution Control Bonds		Bilateral Letters of Credit		Maturity of Bilateral Letters of Credit
	(in thousands)
APCo	$	229,650	$	232,293	March 2016 to March 2017
I&M	77,000		77,886		March 2015

Maximum Potential Loss on Master Lease Agreements

Company	Maximum Potential Loss
	(in thousands)
APCo	$	3,671
I&M	2,618
OPCo	4,161
PSO	1,505
SWEPCo	2,438