XML 22 R10.htm IDEA: XBRL DOCUMENT
v3.25.2

Revenue | 6 Months Ended
--- | ---
Jun. 30, 2025
Revenue from Contract with Customer [Abstract] |
Revenue | 3. Revenue The components of operating revenues for the periods were:
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |  |
|  | 2025 |  | 2024 |  | 2025 |  | 2024 |  |  |  |  |
Capacity revenues |  | $ | 88 |  |  | $ | 46 |  |  | $ | 137 |  |  | $ | 91 |  |  |  |  |  |
Electricity sales and ancillary services, ISO/RTO |  | 307 |  |  | 249 |  |  | 889 |  |  | 514 |  |  |  |  |  |
Physical electricity sales, bilateral contracts, other |  | 14 |  |  | 22 |  |  | 37 |  |  | 86 |  |  |  |  |  |
Other revenue from customers |  | — |  |  | 29 |  |  | — |  |  | 71 |  |  |  |  |  |
Total revenue from contracts with customers |  | 409 |  |  | 346 |  |  | 1,063 |  |  | 762 |  |  |  |  |  |
Realized and unrealized gain (loss) on derivative instruments |  | 218 |  |  | 100 |  |  | (50) |  |  | 157 |  |  |  |  |  |
Nuclear PTC |  | — |  |  | 39 |  |  | — |  |  | 74 |  |  |  |  |  |
Other revenue |  | 3 |  |  | 4 |  |  | 7 |  |  | 5 |  |  |  |  |  |
Operating revenues |  | $ | 630 |  |  | $ | 489 |  |  | $ | 1,020 |  |  | $ | 998 |  |  |  |  |  |
Accounts Receivable “Accounts receivable” presented on the Consolidated Balance Sheets were:
|  | June 30, 2025 |  | December 31, 2024
Customer accounts receivable |  | $ | 154 |  |  | $ | 66 |
Other accounts receivable |  | 72 |  |  | 57 |
Accounts receivable |  | $ | 226 |  |  | $ | 123 |
During the six months ended June 30, 2025 and 2024, there were no significant changes in accounts receivable other than normal receivable recognition and collection transactions. See Note 2 for additional information on Talen’s credit risk on the carrying value of its receivables. Future Performance Obligations In the normal course of business, Talen has future performance obligations for capacity sales awarded through market-based capacity auctions and (or) for capacity sales under bilateral contractual arrangements. The expected future period capacity revenues subject to unsatisfied or partially unsatisfied performance obligations were:
|  | 2025 (a) |  | 2026 |  | 2027 |  | 2028 |  | 2029
Expected capacity revenues as of June 30, 2025 (b) |  | $ | 333 |  |  | $ | 275 |  |  | $ | 3 |  |  | $ | 1 |  |  | $ | — |
2026/2027 PJM Capacity Year (c) |  | — |  |  | 472 |  |  | 333 |  |  | — |  |  | — |
Total expected capacity revenues |  | $ | 333 |  |  | $ | 747 |  |  | $ | 336 |  |  | $ | 1 |  |  | $ | — |
__________________ (a)Estimated for the period from July 1, 2025 through December 31, 2025. (b)PJM capacity revenues are estimated for the period from January 1, 2026 through May 31, 2026 for the remainder of the 2025/2026 PJM Capacity Year. (c)PJM capacity revenues are estimated for the period from June 1, 2026 through May 31, 2027 based on the results of the 2026/2027 PJM BRA held in July 2025. Talen cleared 6,702 MWs at a price of $329.17/MWd for the MAAC, PPL, and PSEG locational deliverability areas. See Note 9 for additional information on the PJM BRAs.

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
Name: | us-gaap_RevenueFromContractWithCustomerTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration