Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2019

Disaggregated Revenues from Contracts with Customers

	Three Months Ended March 31, 2019
	Vertically Integrated Utilities			Transmission and Distribution Utilities		AEP Transmission Holdco			Generation & Marketing		Corporate and Other		Reconciling Adjustments			AEP Consolidated
	(in millions)
Retail Revenues:
Residential Revenues	$	982.4		$	586.1	$	—		$	—	$	—	$	—		$	1,568.5
Commercial Revenues	511.2			310.9		—			—		—		—			822.1
Industrial Revenues	532.1			123.9		—			—		—		1.8			657.8
Other Retail Revenues	43.3			11.1		—			—		—		—			54.4
Total Retail Revenues	2,069.0			1,032.0		—			—		—		1.8			3,102.8
Wholesale and Competitive Retail Revenues:
Generation Revenues (a)	224.7			—		—			108.8		—		(78.5		)	255.0
Transmission Revenues (b)	73.5			99.6		255.1			—		—		(219.4		)	208.8
Marketing, Competitive Retail and Renewable Revenues	—			—		—			361.5		—		—			361.5
Total Wholesale and Competitive Retail Revenues	298.2			99.6		255.1			470.3		—		(297.9		)	825.3
Other Revenues from Contracts with Customers (c)	39.5			46.0		3.1			2.3		23.3		(36.1		)	78.1
Total Revenues from Contracts with Customers	2,406.7			1,177.6		258.2			472.6		23.3		(332.2		)	4,006.2
Other Revenues:
Alternative Revenues (c)	(3.4		)	5.0		(1.8		)	—		—		—			(0.2		)
Other Revenues (c)	—			39.4		—			9.2		2.2		—			50.8
Total Other Revenues	(3.4		)	44.4		(1.8		)	9.2		2.2		—			50.6
Total Revenues	$	2,403.3		$	1,222.0	$	256.4		$	481.8	$	25.5	$	(332.2	)	$	4,056.8

(a) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for Generation & Marketing was $37 million. The remaining affiliated amounts were immaterial.

(b) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEP Transmission Holdco was $198 million. The remaining affiliated amounts were immaterial.

(c) Amounts include affiliated and nonaffiliated revenues.

	Three Months Ended March 31, 2018
	Vertically Integrated Utilities			Transmission and Distribution Utilities		AEP Transmission Holdco			Generation & Marketing		Corporate and Other		Reconciling Adjustments			AEP Consolidated
	(in millions)
Retail Revenues:
Residential Revenues	$	1,001.2		$	567.9	$	—		$	—	$	—	$	—		$	1,569.1
Commercial Revenues	508.0			294.1		—			—		—		—			802.1
Industrial Revenues	526.6			118.5		—			—		—		—			645.1
Other Retail Revenues	43.9			10.4		—			—		—		—			54.3
Total Retail Revenues (a)	2,079.7			990.9		—			—		—		—			3,070.6
Wholesale and Competitive Retail Revenues:
Generation Revenues (b)	217.0			—		—			172.2		—		(30.1		)	359.1
Transmission Revenues (c)	75.0			94.1		219.5			—		—		(179.8		)	208.8
Marketing, Competitive Retail and Renewable Revenues	—			—		—			309.7		—		—			309.7
Total Wholesale and Competitive Retail Revenues	292.0			94.1		219.5			481.9		—		(209.9		)	877.6
Other Revenues from Contracts with Customers (d)	39.9			49.7		2.0			2.2		22.0		(25.1		)	90.7
Total Revenues from Contracts with Customers	2,411.6			1,134.7		221.5			484.1		22.0		(235.0		)	4,038.9
Other Revenues:
Alternative Revenues (d)	(9.1		)	6.0		(16.0		)	—		—		—			(19.1		)
Other Revenues (d)	5.5			21.7		—			21.0		2.0		(21.7		)	28.5
Total Other Revenues	(3.6		)	27.7		(16.0		)	21.0		2.0		(21.7		)	9.4
Total Revenues	$	2,408.0		$	1,162.4	$	205.5		$	505.1	$	24.0	$	(256.7	)	$	4,048.3

(a) 2018 amounts have been revised to reflect the reclassification of certain customer accounts between Retail classes. This reclassification did not impact previously reported Total Retail Revenues. Management concluded that these prior period disclosure only errors were immaterial individually and in the aggregate.

(b) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for Generation & Marketing was $27 million. The remaining affiliated amounts were immaterial.

(c) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEP Transmission Holdco was $162 million. The remaining affiliated amounts were immaterial.

(d)

Amounts include affiliated and nonaffiliated revenues.

	Three Months Ended March 31, 2019
	AEP Texas			AEPTCo			APCo		I&M			OPCo		PSO			SWEPCo
	(in millions)
Retail Revenues:
Residential Revenues	$	120.9		$	—		$	372.5	$	218.4		$	471.6	$	140.0		$	140.1
Commercial Revenues	97.9			—			142.2		121.3			210.5		80.8			113.7
Industrial Revenues	33.0			—			147.5		138.4			89.7		71.0			81.2
Other Retail Revenues	7.3			—			19.6		1.8			3.4		18.0			2.2
Total Retail Revenues	259.1			—			681.8		479.9			775.2		309.8			337.2
Wholesale Revenues:
Generation Revenues (a)	—			—			67.5		111.9			—		8.6			57.2
Transmission Revenues (b)	85.8			242.1			25.7		6.3			13.9		9.8			24.2
Total Wholesale Revenues	85.8			242.1			93.2		118.2			13.9		18.4			81.4
Other Revenues from Contracts with Customers (c)	6.9			3.1			13.4		21.0			39.0		5.8			7.8
Total Revenues from Contracts with Customers	351.8			245.2			788.4		619.1			828.1		334.0			426.4
Other Revenues:
Alternative Revenues (d)	(0.9		)	(1.7		)	4.4		(4.8		)	3.6		(1.2		)	(5.3		)
Other Revenues (d)	39.8			—			—		—			5.1		—			—
Total Other Revenues	38.9			(1.7		)	4.4		(4.8		)	8.7		(1.2		)	(5.3		)
Total Revenues	$	390.7		$	243.5		$	792.8	$	614.3		$	836.8	$	332.8		$	421.1

(a) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for APCo was $35 million primarily relating to the PPA with KGPCo. The remaining affiliated amounts were immaterial.

(b) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEPTCo was $195 million. The remaining affiliated amounts were immaterial.

(c) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for I&M was $15 million primarily relating to the barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial.

(d) Amounts include affiliated and nonaffiliated revenues.

	Three Months Ended March 31, 2018
	AEP Texas			AEPTCo (f)		APCo			I&M			OPCo		PSO		SWEPCo
	(in millions)
Retail Revenues:
Residential Revenues	$	131.6		$	—	$	414.0		$	189.0		$	436.8	$	141.1	$	140.1
Commercial Revenues	99.4			—		146.6			109.6			194.5		84.3		108.3
Industrial Revenues	30.9			—		147.3			132.0			87.9		69.1		77.2
Other Retail Revenues	7.1			—		19.6			2.2			3.2		18.3		2.1
Total Retail Revenues (a)	269.0			—		727.5			432.8			722.4		312.8		327.7
Wholesale Revenues:
Generation Revenues (b)	—			—		62.8			114.0			—		5.9		59.9
Transmission Revenues (c)	78.0			185.0		24.8			6.8			16.0		10.6		26.0
Total Wholesale Revenues	78.0			185.0		87.6			120.8			16.0		16.5		85.9
Other Revenues from Contracts with Customers (d)	7.1			2.0		11.2			22.7			42.3		4.2		6.1
Total Revenues from Contracts with Customers	354.1			187.0		826.3			576.3			780.7		333.5		419.7
Other Revenues:
Alternative Revenues (e)	(0.3		)	4.7		(5.9		)	(5.0		)	6.3		3.3		(0.3		)
Other Revenues (e)	17.8			—		—			5.5			3.9		—		—
Total Other Revenues	17.5			4.7		(5.9		)	0.5			10.2		3.3		(0.3		)
Total Revenues	$	371.6		$	191.7	$	820.4		$	576.8		$	790.9	$	336.8	$	419.4

(a) 2018 amounts have been revised to reflect the reclassification of certain customer accounts between Retail classes. This reclassification did not impact previously reported Total Retail Revenues. Management concluded that these prior period disclosure only errors were immaterial individually and in the aggregate.

(b) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for APCo was $40 million primarily relating to the PPA with KGPCo. The remaining affiliated amounts were immaterial.

(c) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEPTCo was $160 million. The remaining affiliated amounts were immaterial.

(d) Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for I&M was $15 million primarily relating to the barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial.

(e) Amounts include affiliated and nonaffiliated revenues.

(f)

The amounts presented reflect the revisions made to AEPTCo’s previously issued financial statements. See the “Revisions to Previously Issued Financial Statements” section of Note 1 for additional information.

Fixed Performance Obligations

Company	2019		2020-2021		2022-2023		After 2023		Total
	(in millions)
AEP	$	732.3	$	199.1	$	162.7	$	285.7	$	1,379.8
AEP Texas	278.2		—		—		—		278.2
AEPTCo	672.5		—		—		—		672.5
APCo	108.9		31.1		23.2		11.6		174.8
I&M	21.5		8.8		8.8		4.4		43.5
OPCo	47.4		—		—		—		47.4
PSO	13.6		—		—		—		13.6
SWEPCo	28.7		—		—		—		28.7

Affiliated Accounts Receivable Contracts with Customers [Table Text Block]

Company	March 31, 2019		December 31, 2018
	(in millions)
AEPTCo	$	65.9	$	58.6
APCo	46.3		52.5
I&M	24.0		35.3
OPCo	31.2		46.1
PSO	13.3		12.4
SWEPCo	10.6		16.3