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Revenue (Tables)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following tables disaggregate our revenue by major source:
Year Ended December 31, 2023
RetailTexasEastWestSunsetAsset ClosureEliminationsConsolidated
Revenue from contracts with customers:
Retail energy charge in ERCOT$7,674 $— $— $— $— $— $— $7,674 
Retail energy charge in Northeast/Midwest1,642 — — — — — — 1,642 
Wholesale generation revenue from ISO/RTO— 1,060 1,036 421 392 — — 2,909 
Capacity revenue from ISO/RTO (a)— — 57 — 41 — — 98 
Revenue from other wholesale contracts— 505 654 179 143 — — 1,481 
Total revenue from contracts with customers9,316 1,565 1,747 600 576 — — 13,804 
Other revenues:
Intangible amortization(1)— (2)— (3)— — (6)
Transferable PTC revenues— 10 — — — — — 10 
Hedging and other revenues (b)1,257 (1,611)277 310 736 — 971 
Affiliate sales (c)— 3,859 2,193 522 — (6,578)— 
Total other revenues1,256 2,258 2,468 314 1,255 — (6,576)975 
Total revenues$10,572 $3,823 $4,215 $914 $1,831 $— $(6,576)$14,779 
____________
(a)Represents net capacity sold (purchased) in each ISO/RTO. The East segment includes $157 million of capacity sold offset by $100 million of capacity purchased. The Sunset segment includes $76 million of capacity sold offset by $35 million of capacity purchased.
(b)Includes $714 million of unrealized net gains from mark-to-market valuations of commodity positions.
For the year endedRetailTexasEastWestSunsetAsset ClosureCorporate and OtherEliminations (1)Consolidated
December 31, 2023$191 $(758)$1,165 $237 $603 $36 $— $(760)$714 
____________
(1) Amounts attributable to generation segments offset in fuel, purchased power costs and delivery fees in the Retail segment, with no impact to consolidated results.
(c)East and Sunset segments include $641 million and $187 million, respectively, of affiliated unrealized net gains, and Texas segment includes $62 million of affiliated unrealized net losses from mark-to-market valuations of commodity positions with the Retail segment.
Year Ended December 31, 2022
RetailTexasEastWestSunsetAsset ClosureEliminationsConsolidated
Revenue from contracts with customers:
Retail energy charge in ERCOT$6,971 $— $— $— $— $— $— $6,971 
Retail energy charge in Northeast/Midwest2,139 — — — — — — 2,139 
Wholesale generation revenue from ISO/RTO— 1,105 1,209 467 950 562 — 4,293 
Capacity revenue from ISO/RTO (a)— — 20 — 56 27 — 103 
Revenue from other wholesale contracts— 696 1,106 151 150 22 — 2,125 
Total revenue from contracts with customers9,110 1,801 2,335 618 1,156 611 — 15,631 
Other revenues:
Intangible amortization— — — (7)— — (6)
Hedging and other revenues (b)345 (640)(316)(291)(765)(231)(1,897)
Affiliate sales (c)— 2,572 1,686 484 (4,755)— 
Total other revenues345 1,932 1,371 (282)(288)(227)(4,754)(1,903)
Total revenues$9,455 $3,733 $3,706 $336 $868 $384 $(4,754)$13,728 
____________
(a)Represents net capacity sold (purchased) in each ISO/RTO. The East segment includes $302 million of capacity sold offset by $282 million of capacity purchased. The Sunset segment includes $59 million of capacity sold offset by $3 million of capacity purchased. The Asset Closure segment includes $27 million of capacity sold.
(b)Includes $2.163 billion of unrealized net losses from mark-to-market valuations of commodity positions.
For the year endedRetailTexasEastWestSunsetAsset ClosureCorporate and OtherEliminations (1)Consolidated
December 31, 2022(532)(1,472)(757)(324)(3)106 — 819 (2,163)
____________
(1) Amounts attributable to generation segments offset in fuel, purchased power costs and delivery fees in the Retail segment, with no impact to consolidated results.
(c)Texas and East segments include $817 million and $38 million, respectively, of affiliated unrealized net losses, and Sunset and Asset Closure segment includes $30 million and $4 million, respectively, of affiliated unrealized net gains from mark-to-market valuations of commodity positions with the Retail segment.
Year Ended December 31, 2021
RetailTexasEastWestSunsetAsset ClosureEliminationsConsolidated
Revenue from contracts with customers:
Retail energy charge in ERCOT$5,733 $— $— $— $— $— $— $5,733 
Retail energy charge in Northeast/Midwest2,255 — — — — — — 2,255 
Wholesale generation revenue from ISO/RTO— 3,808 786 229 1,050 475 — 6,348 
Capacity revenue from ISO/RTO (a)— — (22)122 62 — 163 
Revenue from other wholesale contracts— 2,302 602 104 192 — 3,201 
Total revenue from contracts with customers7,988 6,110 1,366 334 1,364 538 — 17,700 
Other revenues:
Intangible amortization(2)— 74 — (12)— — 60 
Hedging and other revenues (b)(115)(4,355)123 35 (929)(442)— (5,683)
Affiliate sales (c)— 1,035 1,024 238 (18)(2,284)— 
Total other revenues(117)(3,320)1,221 40 (703)(460)(2,284)(5,623)
Total revenues$7,871 $2,790 $2,587 $374 $661 $78 $(2,284)$12,077 
____________
(a)Represents net capacity sold (purchased) in each ISO/RTO. The East segment includes $470 million of capacity purchased offset by $448 million of capacity sold. The West segment includes $1 million of capacity sold. The Sunset segment includes $126 million of capacity sold offset by $4 million of capacity purchased. The Asset Closure segment includes $62 million of capacity sold.
(b)Includes $1.191 billion of unrealized net losses from mark-to-market valuations of commodity positions.
For the year endedRetailTexasEastWestSunsetAsset ClosureCorporate and OtherEliminations (1)Consolidated
December 31, 2021(325)(1,272)(637)(42)(394)(240)— 1,719 (1,191)
____________
(1) Amounts attributable to generation segments offset in fuel, purchased power costs and delivery fees in the Retail segment, with no impact to consolidated results.
(c)Texas, East, Sunset and Asset Closure segments include $1.028 billion, $529 million, $144 million and $18 million respectively, of affiliated unrealized net losses from mark-to-market valuations of commodity positions with the Retail segment.
Accounts Receivable, Contracts With Customers
The following table presents trade accounts receivable (net of allowance for uncollectible accounts) relating to both ASC 606, Revenue from Contracts with Customers and other activities:
December 31,
20232022
Trade accounts receivable from contracts with customers — net$1,239 $1,644 
Other trade accounts receivable — net435 415 
Total trade accounts receivable — net$1,674 $2,059