Rate Matters (Tables)

3 Months Ended

Mar. 31, 2015

Regulatory Assets Pending Final Regulatory Approval

	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in millions)
Regulatory Assets Currently Earning a Return
West Virginia Vegetation Management Program	$	26	$	20
Storm Related Costs	20		20
Regulatory Assets Currently Not Earning a Return
Storm Related Costs	100		100
Asset Retirement Obligation	17		9
Carbon Capture and Storage Product Validation Facility	13		13
IGCC Pre-Construction Costs	11		11
Virginia Demand Response Program Costs	10		9
Ormet Special Rate Recovery Mechanism	10		10
Other Regulatory Assets Pending Final Regulatory Approval	29		34
Total Regulatory Assets Pending Final Regulatory Approval	$	236	$	226

Appalachian Power Co [Member]

Regulatory Assets Pending Final Regulatory Approval

	APCo
	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in thousands)
Regulatory Assets Currently Earning a Return
Vegetation Management Program - West Virginia	$	23,983	$	19,089
Regulatory Assets Currently Not Earning a Return
Storm Related Costs – West Virginia	65,206		65,206
Carbon Capture and Storage Product Validation Facility – West Virginia, FERC	13,264		13,264
IGCC Pre-Construction Costs – West Virginia, FERC	10,838		10,838
Demand Response Program Costs – Virginia	9,803		8,791
Amos Plant Transfer Costs – West Virginia	1,721		1,377
Carbon Capture and Storage Commercial Scale Facility – West Virginia, FERC	1,287		1,287
Expanded Net Energy Charge – Coal Inventory	—		3,421
Expanded Net Energy Charge – Construction Surcharge	—		2,307
Other Regulatory Assets Pending Final Regulatory Approval	168		168
Total Regulatory Assets Pending Final Regulatory Approval	$	126,270	$	125,748

Indiana Michigan Power Co [Member]

Regulatory Assets Pending Final Regulatory Approval

	I&M
	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in thousands)
Regulatory Assets Currently Not Earning a Return
Cook Plant Turbine	$	7,382	$	6,596
Stranded Costs on Abandoned Plants	3,897		3,897
Deferred Cook Plant Life Cycle Management Project Costs – Michigan	2,030		1,222
Storm Related Costs – Indiana	72		1,074
Other Regulatory Assets Pending Final Regulatory Approval	337		860
Total Regulatory Assets Pending Final Regulatory Approval	$	13,718	$	13,649

Ohio Power Co [Member]

Regulatory Assets Pending Final Regulatory Approval

	OPCo
	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in thousands)
Regulatory Assets Currently Not Earning a Return
Ormet Special Rate Recovery Mechanism	$	10,483	$	10,483
Total Regulatory Assets Pending Final Regulatory Approval	$	10,483	$	10,483

Public Service Co Of Oklahoma [Member]

Regulatory Assets Pending Final Regulatory Approval

	PSO
	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in thousands)
Regulatory Assets Currently Not Earning a Return
Storm Related Costs	$	17,375	$	16,614
Other Regulatory Assets Pending Final Regulatory Approval	1,079		1,079
Total Regulatory Assets Pending Final Regulatory Approval	$	18,454	$	17,693

Southwestern Electric Power Co [Member]

Regulatory Assets Pending Final Regulatory Approval

	SWEPCo
	March 31,		December 31,
	2015		2014
Noncurrent Regulatory Assets	(in thousands)
Regulatory Assets Currently Not Earning a Return
Rate Case Expenses	$	8,188	$	8,126
Shipe Road Transmission Project	2,343		2,287
Asset Retirement Obligation	1,233		1,144
Other Regulatory Assets Pending Final Regulatory Approval	558		558
Total Regulatory Assets Pending Final Regulatory Approval	$	12,322	$	12,115