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Revenue from Contracts with Customers (Tables)
 12 Months Ended
Dec. 31, 2020
Disaggregated Revenues from Contracts with Customers
Year Ended December 31, 2020
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration & MarketingCorporate and OtherReconciling AdjustmentsAEP Consolidated
(in millions)
Retail Revenues:
Residential Revenues$3,606.8 $2,086.9 $— $— $— $— $5,693.7 
Commercial Revenues2,016.2 1,048.6 — — — — 3,064.8 
Industrial Revenues2,018.0 390.1 — — — (0.7)2,407.4 
Other Retail Revenues155.6 42.5 — — — — 198.1 
Total Retail Revenues7,796.6 3,568.1 — — — (0.7)11,364.0 
Wholesale and Competitive Retail Revenues:
Generation Revenues 588.3 — — 131.9 — — 720.2 
Transmission Revenues (a)334.5 467.0 1,257.0 — — (1,006.7)1,051.8 
Renewable Generation Revenues (b)— — — 60.9 — (1.6)59.3 
Retail, Trading and Marketing Revenues (c)— — — 1,486.9 (5.5)(103.0)1,378.4 
Total Wholesale and Competitive Retail Revenues
922.8 467.0 1,257.0 1,679.7 (5.5)(1,111.3)3,209.7 
Other Revenues from Contracts with Customers (b)163.2 157.8 22.4 2.3 92.5 (148.6)289.6 
Total Revenues from Contracts with Customers
8,882.6 4,192.9 1,279.4 1,682.0 87.0 (1,260.6)14,863.3 
Other Revenues:
Alternative Revenues (b)(3.2)70.0 (80.6)— — 7.5 (6.3)
Other Revenues (b)— 83.0 — 43.6 9.8 (74.9)61.5 
Total Other Revenues(3.2)153.0 (80.6)43.6 9.8 (67.4)55.2 
Total Revenues$8,879.4 $4,345.9 $1,198.8 $1,725.6 $96.8 $(1,328.0)$14,918.5 

(a)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEP Transmission Holdco was $965 million. The remaining affiliated amounts were immaterial.
(b)Amounts include affiliated and nonaffiliated revenues.
(c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for Generation & Marketing was $103 million. The remaining affiliated amounts were immaterial.
Year Ended December 31, 2019
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration & MarketingCorporate and OtherReconciling AdjustmentsAEP Consolidated
(in millions)
Retail Revenues:
Residential Revenues$3,643.7 $2,069.9 $— $— $— $— $5,713.6 
Commercial Revenues2,155.3 1,152.9 — — — — 3,308.2 
Industrial Revenues2,179.0 429.1 — — — (0.9)2,607.2 
Other Retail Revenues179.1 43.8 — — — — 222.9 
Total Retail Revenues8,157.1 3,695.7 — — — (0.9)11,851.9 
Wholesale and Competitive Retail Revenues:
Generation Revenues 807.6 — — 254.8 — — 1,062.4 
Transmission Revenues (a)292.1 435.1 1,077.2 — — (825.0)979.4 
Renewable Generation Revenues (b)— — — 57.3 — — 57.3 
Retail, Trading and Marketing Revenues (c)— — — 1,480.7 — (135.6)1,345.1 
Total Wholesale and Competitive Retail Revenues
1,099.7 435.1 1,077.2 1,792.8 — (960.6)3,444.2 
Other Revenues from Contracts with Customers (b)168.2 169.4 16.6 4.9 104.7 (147.1)316.7 
Total Revenues from Contracts with Customers
9,425.0 4,300.2 1,093.8 1,797.7 104.7 (1,108.6)15,612.8 
Other Revenues:
Alternative Revenues (b)(57.9)32.3 (20.6)— — (66.9)(113.1)
Other Revenues (b)— 150.0 — 59.9 (8.9)(139.3)61.7 
Total Other Revenues(57.9)182.3 (20.6)59.9 (8.9)(206.2)(51.4)
Total Revenues$9,367.1 $4,482.5 $1,073.2 $1,857.6 $95.8 $(1,314.8)$15,561.4 

(a)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for AEP Transmission Holdco was $794 million. The remaining affiliated amounts were immaterial.
(b)Amounts include affiliated and nonaffiliated revenues.
(c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for Generation & Marketing was $136 million. The remaining affiliated amounts were immaterial.
Year Ended December 31, 2018
Vertically Integrated UtilitiesTransmission and Distribution UtilitiesAEP Transmission HoldcoGeneration & MarketingCorporate and OtherReconciling AdjustmentsAEP Consolidated
(in millions)
Retail Revenues:
Residential Revenues$3,751.8 $2,189.4 $— $— $— $— $5,941.2 
Commercial Revenues2,183.4 1,251.7 — — — — 3,435.1 
Industrial Revenues2,212.8 512.5 — — — — 2,725.3 
Other Retail Revenues183.5 42.7 — — — — 226.2 
Total Retail Revenues (a)8,331.5 3,996.3 — — — — 12,327.8 
Wholesale and Competitive Retail Revenues:
Generation Revenues899.8 — — 423.7 — (7.3)(e)1,316.2 
Transmission Revenues (b)282.2 372.1 849.3 — — (737.1)766.5 
Renewable Generation Revenues (c)— — — 50.8 — — 50.8 
Retail, Trading and Marketing Revenues (d)— — — 1,422.9 — (120.7)1,302.2 
Total Wholesale and Competitive Retail Revenues
1,182.0 372.1 849.3 1,897.4 — (865.1)3,435.7 
Other Revenues from Contracts with Customers (c)158.4 204.6 15.2 20.6 86.2 (32.0)453.0 
Total Revenues from Contracts with Customers
9,671.9 4,573.0 864.5 1,918.0 86.2 (897.1)16,216.5 
Other Revenues:
Alternative Revenues (c)(15.9)(22.2)(60.4)— — 52.7 (45.8)
Other Revenues (c)(10.5)102.3 — 22.3 8.9 (98.0)(e)25.0 
Total Other Revenues(26.4)80.1 (60.4)22.3 8.9 (45.3)(20.8)
Total Revenues$9,645.5 $4,653.1 $804.1 $1,940.3 $95.1 $(942.4)$16,195.7 
(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 AEP Transmission Holdco was $643 million. The remaining affiliated amounts were immaterial.
(c)Amounts include affiliated and nonaffiliated revenues.
(d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for Generation & Marketing was $121 million. The remaining affiliated amounts were immaterial.
(e)2018 amounts have been revised to reflect the reclassification of $98 million of affiliated revenues between Generation Revenues and Other Revenues. This reclassification did not impact previously reported Total Revenues. Management concluded that these prior period disclosure only errors were immaterial individually and in the aggregate.
Year Ended December 31, 2020
AEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Retail Revenues:
Residential Revenues$563.6 $— $1,250.6 $794.1 $1,523.4 $579.4 $630.8 
Commercial Revenues366.7 — 517.0 499.3 682.0 320.1 466.7 
Industrial Revenues120.1 — 553.5 547.4 270.0 221.1 328.8 
Other Retail Revenues29.5 — 67.6 6.6 13.1 66.0 9.1 
Total Retail Revenues1,079.9 — 2,388.7 1,847.4 2,488.5 1,186.6 1,435.4 
Wholesale Revenues:
Generation Revenues (a)— — 230.2 274.6 — 15.1 162.0 
Transmission Revenues (b)399.9 1,210.3 130.8 29.0 67.0 27.5 111.2 
Total Wholesale Revenues399.9 1,210.3 361.0 303.6 67.0 42.6 273.2 
Other Revenues from Contracts with Customers (c)
48.2 22.4 59.5 85.0 109.5 34.7 26.7 
Total Revenues from Contracts with Customers
1,528.0 1,232.7 2,809.2 2,236.0 2,665.0 1,263.9 1,735.3 
Other Revenues:
Alternative Revenues (d)3.4 (87.0)(13.0)5.8 66.6 2.2 3.2 
Other Revenues (d)87.5 — — — 17.5 — — 
Total Other Revenues90.9 (87.0)(13.0)5.8 84.1 2.2 3.2 
Total Revenues$1,618.9 $1,145.7 $2,796.2 $2,241.8 $2,749.1 $1,266.1 $1,738.5 

(a)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for APCo was $112 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 $952 million. The remaining affiliated amounts were immaterial.
(c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for I&M was $69 million primarily relating to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial.
(d)Amounts include affiliated and nonaffiliated revenues.
Year Ended December 31, 2019
AEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Retail Revenues:
Residential Revenues$571.5 $— $1,266.9 $730.0 $1,502.0 $650.2 $638.6 
Commercial Revenues411.5 — 559.9 494.2 738.5 388.5 485.4 
Industrial Revenues129.4 — 592.2 550.7 299.9 303.5 338.7 
Other Retail Revenues29.9 — 75.2 7.3 13.1 81.6 9.0 
Total Retail Revenues1,142.3 — 2,494.2 1,782.2 2,553.5 1,423.8 1,471.7 
Wholesale Revenues:
Generation Revenues (a)— — 251.5 402.4 — 39.5 194.7 
Transmission Revenues (b)379.2 1,025.5 103.6 25.1 56.0 27.5 106.7 
Total Wholesale Revenues379.2 1,025.5 355.1 427.5 56.0 67.0 301.4 
Other Revenues from Contracts with Customers (c)30.1 16.6 61.8 98.4 139.3 22.0 26.1 
Total Revenues from Contracts with Customers
1,551.6 1,042.1 2,911.1 2,308.1 2,748.8 1,512.8 1,799.2 
Other Revenues:
Alternative Revenues (d)0.6 (20.7)13.6 (1.4)31.7 (31.0)(48.3)
Other Revenues (d)157.1 — — — 17.1 — — 
Total Other Revenues157.7 (20.7)13.6 (1.4)48.8 (31.0)(48.3)
Total Revenues$1,709.3 $1,021.4 $2,924.7 $2,306.7 $2,797.6 $1,481.8 $1,750.9 

(a)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for APCo was $129 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 $782 million. The remaining affiliated amounts were immaterial.
(c)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for I&M was $73 million primarily relating to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial.
(d)Amounts include affiliated and nonaffiliated revenues.
Year Ended December 31, 2018
AEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Retail Revenues:
Residential Revenues$578.9 $— $1,342.7 $730.0 $1,611.6 $659.0 $641.6 
Commercial Revenues414.7 — 580.4 485.0 835.6 394.2 483.9 
Industrial Revenues128.0 — 604.3 565.6 385.2 304.0 333.7 
Other Retail Revenues29.4 — 77.4 7.2 12.9 83.6 8.6 
Total Retail Revenues (a)1,151.0 — 2,604.8 1,787.8 2,845.3 1,440.8 1,467.8 
Wholesale Revenues:
Generation Revenues (b)— — 250.4 470.5 — 36.3 216.8 
Transmission Revenues (c)313.4 816.9 82.7 23.1 58.5 40.2 108.4 
Total Wholesale Revenues313.4 816.9 333.1 493.6 58.5 76.5 325.2 
Other Revenues from Contracts with Customers (d)
28.6 15.1 55.3 99.6 176.1 19.1 24.0 
Total Revenues from Contracts with Customers
1,493.0 832.0 2,993.2 2,381.0 3,079.9 1,536.4 1,817.0 
Other Revenues:
Alternative Revenues (e)(1.3)(55.9)(23.8)(2.1)(20.8)10.9 4.9 
Other Revenues (e)103.6 — (1.9)(8.2)4.3 — — 
Total Other Revenues102.3 (55.9)(25.7)(10.3)(16.5)10.9 4.9 
Total Revenues$1,595.3 $776.1 $2,967.5 $2,370.7 $3,063.4 $1,547.3 $1,821.9 

(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 $134 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 $646 million. The remaining affiliated amounts were immaterial.
(d)Amounts include affiliated and nonaffiliated revenues. The affiliated revenue for I&M was $70 million primarily relating to barging, urea transloading and other transportation services. The remaining affiliated amounts were immaterial.
(e)Amounts include affiliated and nonaffiliated revenues.
Fixed Performance Obligations
Company20212022-20232024-2025After 2025Total
(in millions)
AEP$1,122.9 $164.1 $162.2 $161.5 $1,610.7 
AEP Texas465.4 — — — 465.4 
AEPTCo1,319.5 — — — 1,319.5 
APCo173.4 32.3 23.2 11.6 240.5 
I&M35.1 8.8 8.8 4.5 57.2 
OPCo68.1 — — 0.1 68.2 
PSO14.8 — — — 14.8 
SWEPCo41.6 — — — 41.6 
Affiliated Accounts Receivable Contracts with Customers
Years Ended December 31,
Company20202019
(in millions)
AEPTCo$81.0 $65.9 
APCo52.7 47.3 
I&M34.8 37.1 
OPCo45.9 33.9 
PSO7.8 9.7 
SWEPCo11.2 17.6