Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2025

Supplemental Cash Flow Elements [Abstract]

16. Supplemental Cash Flow Information

Supplemental information for the Consolidated Statements of Cash Flows for the periods was:


	Six Months Ended June 30,
	2025		2024
Cash paid during the period
Interest and other finance charges, net of capitalized interest (a)	$	107	$	124
Income taxes, net (b)	70		9

Unrealized (gain) loss on derivative instruments included on the Statements of Cash Flows
Commodity contracts	$	90	$	44
Interest rate swap contracts (interest expense)	13		(8)
Unrealized (gain) loss on derivative instruments	$	103	$	36

Depreciation, amortization and accretion included on the Statements of Cash Flows
Depreciation, amortization and accretion	$	144	$	150

Other	(3)		(6)
Depreciation, amortization and accretion	$	141	$	144

Reconciliation of other non-cash operating activities
Derivative option premium amortization	$	33	$	4
Stock-based compensation	27		16
(Gain) loss on sale of assets, net	(12)		—
Bitcoin revenue	—		(71)










Other	(14)		(7)
Total	$	34	$	(58)

Non-cash investing activities
Capital expenditure accrual increase (decrease)	$	4	$	(16)

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(a)Capitalized interest was $2 million and $3 million for the six months ended June 30, 2025 and 2024, respectively.

(b)During the six months ended June 30, 2025 and 2024, $20 million and $51 million of estimated Nuclear PTCs were utilized as a credit against our federal income tax payable, respectively.

Cash and Restricted Cash

“Restricted cash and cash equivalents” of $13 million and $37 million presented on the Consolidated Balance Sheets as of June 30, 2025 and December 31, 2024, respectively, were comprised of commodity exchange margin deposits.