Rate Matters (Tables)

9 Months Ended

Sep. 30, 2012

Regulatory Assets Not Yet Being Recovered

Regulatory Assets Not Yet Being Recovered
				September 30,		December 31,
				2012		2011
				(in millions)
	Noncurrent Regulatory Assets (excluding fuel)
	Regulatory assets not yet being recovered pending future proceedings
			to determine the recovery method and timing:
	Regulatory Assets Currently Earning a Return
		Storm Related Costs		$	23	$	24
		Economic Development Rider			13		13
		Other Regulatory Assets Not Yet Being Recovered			9		-
	Regulatory Assets Currently Not Earning a Return
		Virginia Environmental Rate Adjustment Clause			23		18
		Mountaineer Carbon Capture and Storage Product Validation Facility			14		14
		Special Rate Mechanism for Century Aluminum			13		13
		Litigation Settlement			11		11
		Storm Related Costs			133		10
		Virginia Deferred Wind Power Costs			4		38
		Other Regulatory Assets Not Yet Being Recovered			29		14
	Total Regulatory Assets Not Yet Being Recovered			$	272	$	155

Appalachian Power Co [Member]

Regulatory Assets Not Yet Being Recovered

			APCo
			September 30,		December 31,
			2012		2011
Noncurrent Regulatory Assets (excluding fuel)			(in thousands)
Regulatory assets not yet being recovered pending future proceedings to determine
	the recovery method and timing:
Regulatory Assets Currently Earning a Return
	Expanded Net Energy Charge		$	8,775	$	-
Regulatory Assets Currently Not Earning a Return
	Storm Related Costs			62,400		-
	Virginia Environmental Rate Adjustment Clause			23,204		17,950
	Mountaineer Carbon Capture and Storage
		Product Validation Facility		14,155		14,155
	Special Rate Mechanism for Century Aluminum			13,002		12,811
	Dresden Operating Costs			8,758		-
	Virginia Deferred Wind Power Costs			4,355		38,192
	Transmission Agreement Phase-In			2,803		1,925
	Mountaineer Carbon Capture and Storage
		Commercial Scale Facility		1,291		1,335
	Other Regulatory Assets Not Yet Being Recovered			1,308		1,010
Total Regulatory Assets Not Yet Being Recovered			$	140,051	$	87,378

Appalachian Power Co [Member] | Seams Elimination Cost Allocation [Member]

Recognized Gross Seams Elimination Cost Allocation Revenue [Text Block]

Company	(in millions)
APCo	$	70.2
I&M		41.3
OPCo		92.1

Originally Booked Reserve for Net Refund [Text Block]

Company	(in millions)
APCo	$	14.1
I&M		8.3
OPCo		18.5

Reserve for Net Refund [Text Block]

Company	September 30, 2012
	(in millions)
APCo	$	10.0
I&M		5.9
OPCo		13.1

Potential Payment and Receipt of Payment if Compliance Filing is Accepted [Text Block]

	Potential
	Refund
Company	Payments
	(in millions)
APCo	$	6.4
I&M		3.7
OPCo		8.3

Indiana Michigan Power Co [Member]

Regulatory Assets Not Yet Being Recovered

			I&M
			September 30,		December 31,
			2012		2011
Noncurrent Regulatory Assets (excluding fuel)			(in thousands)
Regulatory assets not yet being recovered pending future proceedings to determine
	the recovery method and timing:
Regulatory Assets Currently Not Earning a Return
	Litigation Settlement		$	11,027	$	10,803
	Mountaineer Carbon Capture and Storage
		Commercial Scale Facility		1,384		1,680
	Other Regulatory Asset Not Yet Being Recovered			899		-
Total Regulatory Assets Not Yet Being Recovered			$	13,310	$	12,483

Indiana Michigan Power Co [Member] | Seams Elimination Cost Allocation [Member]

Recognized Gross Seams Elimination Cost Allocation Revenue [Text Block]

Company	(in millions)
APCo	$	70.2
I&M		41.3
OPCo		92.1

Originally Booked Reserve for Net Refund [Text Block]

Company	(in millions)
APCo	$	14.1
I&M		8.3
OPCo		18.5

Reserve for Net Refund [Text Block]

Company	September 30, 2012
	(in millions)
APCo	$	10.0
I&M		5.9
OPCo		13.1

Potential Payment and Receipt of Payment if Compliance Filing is Accepted [Text Block]

	Potential
	Refund
Company	Payments
	(in millions)
APCo	$	6.4
I&M		3.7
OPCo		8.3

Ohio Power Co [Member]

Regulatory Assets Not Yet Being Recovered

		OPCo
		September 30,		December 31,
		2012		2011
Noncurrent Regulatory Assets (excluding fuel)		(in thousands)
Regulatory assets not yet being recovered pending future proceedings to determine
	the recovery method and timing:
Regulatory Assets Currently Earning a Return
	Economic Development Rider	$	13,053	$	12,572
Regulatory Assets Currently Not Earning a Return
	Storm Related Costs		53,600		8,375
Total Regulatory Assets Not Yet Being Recovered		$	66,653	$	20,947

Ohio Power Co [Member] | Seams Elimination Cost Allocation [Member]

Recognized Gross Seams Elimination Cost Allocation Revenue [Text Block]

Company	(in millions)
APCo	$	70.2
I&M		41.3
OPCo		92.1

Originally Booked Reserve for Net Refund [Text Block]

Company	(in millions)
APCo	$	14.1
I&M		8.3
OPCo		18.5

Reserve for Net Refund [Text Block]

Company	September 30, 2012
	(in millions)
APCo	$	10.0
I&M		5.9
OPCo		13.1

Potential Payment and Receipt of Payment if Compliance Filing is Accepted [Text Block]

	Potential
	Refund
Company	Payments
	(in millions)
APCo	$	6.4
I&M		3.7
OPCo		8.3

Public Service Co Of Oklahoma [Member]

Regulatory Assets Not Yet Being Recovered

		PSO
		September 30,		December 31,
		2012		2011
Noncurrent Regulatory Assets (excluding fuel)		(in thousands)
Regulatory assets not yet being recovered pending future proceedings to determine
	the recovery method and timing:
Regulatory Assets Currently Not Earning a Return
	Environmental Compliance Costs	$	351	$	-
Total Regulatory Assets Not Yet Being Recovered		$	351	$	-

Southwestern Electric Power Co [Member]

Regulatory Assets Not Yet Being Recovered

			SWEPCo
			September 30,		December 31,
			2012		2011
Noncurrent Regulatory Assets (excluding fuel)			(in thousands)
Regulatory assets not yet being recovered pending future proceedings to determine
	the recovery method and timing:
Regulatory Assets Currently Not Earning a Return
	Rate Case Expenses		$	3,673	$	-
	Mountaineer Carbon Capture and Storage
		Commercial Scale Facility		2,301		2,380
	Other Regulatory Assets Not Yet Being Recovered			2,099		1,699
Total Regulatory Assets Not Yet Being Recovered			$	8,073	$	4,079