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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Summary of Contractual Commitments | millions of dollars 2025 2026 2027 2028 2029 Thereafter Total Purchased power (1) $ 307 $ 277 $ 368 $ 368 $ 369 $ 4,487 $ 6,176 Transportation (2)(3) 742 545 544 454 412 3,228 5,925 Capital projects 604 287 24 - - - 915 Fuel, gas supply and storage (4) 591 94 21 5 - - 711 Other 160 95 80 59 59 264 717 $ 2,404 $ 1,298 $ 1,037 $ 886 $ 840 $ 7,979 $ 14,444 As detailed below, contractual obligations at December 31, 2024 includes those related to NMGC. On completion of the sale of NMGC, all remaining future contractual obligations will be transferred to the buyer. For further details on the pending transaction, refer to note 4. (1) Annual requirement to purchase electricity production from IPPs or other utilities over varying contract lengths. (2) Includes $ 86 million related to NMGC (2025: $ 30 million, 2026: $ 24 million, 2027: $ 16 million, 2028: $ 12 million, 2029: $ 4 million). (3) Purchasing commitments for transportation of fuel and transportation capacity on various pipelines. Includes a commitment of $ 135 million related to a gas transportation contract between PGS and SeaCoast through 2040. (4) Includes $ 177 million related to NMGC (2025: $ 109 million, 2026: $ 52 million, 2027: $ 13 million, 2028: $ 3 million)

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Subparagraph (a) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 + Details
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