CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 229,279	$ 111,978
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale relating to BCE	(22,988)	0
Depreciation and amortization including nuclear fuel	465,546	416,652
Deferred fuel and purchased power	(64,220)	(191,304)
Deferred fuel and purchased power amortization	204,748	218,586
Allowance for equity funds used during construction	(19,202)	(28,095)
Deferred income taxes	339	(35,808)
Deferred investment tax credit	(4,082)	42,601
Change in derivative instruments fair value	0	(239)
Stock compensation	10,622	7,225
Changes in current assets and liabilities:
Customer and other receivables	(57,802)	(24,748)
Accrued unbilled revenues	(147,165)	(51,976)
Materials, supplies and fossil fuel	(55,498)	(42,156)
Income tax receivable	332	9,847
Other current assets	(53,124)	(35,581)
Accounts payable	99,513	(2,051)
Accrued taxes	34,381	(644)
Other current liabilities	(11,061)	(61,918)
Change in long-term regulatory assets	18,183	21,154
Change in long-term regulatory liabilities	(4,637)	40,393
Change in other long-term assets	(43,489)	(125,735)
Change in operating lease assets	19,785	17,998
Change in other long-term liabilities	(45,456)	121,352
Change in operating lease liabilities	(16,866)	30,082
Net cash provided by operating activities	537,138	437,613
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(1,051,725)	(918,195)
Contributions in aid of construction	144,329	60,118
Proceeds from sale relating to BCE	47,778	0
Allowance for borrowed funds used during construction	(24,177)	(25,039)
Proceeds from nuclear decommissioning trusts sales and other special use funds	772,375	567,528
Investment in nuclear decommissioning trusts and other special use funds	(772,359)	(568,668)
Other	(3,335)	485
Net cash used for investing activities	(887,114)	(883,771)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of long-term debt	1,313,229	689,247
Repayment of long-term debt	(675,000)	0
Short-term borrowing and (repayments) - net	(78,050)	(35,370)
Short-term debt borrowings under term loan facility	350,000	0
Short-term debt repayments under term loan facility	(350,000)	0
Dividends paid on common stock	(196,296)	(192,235)
Common stock equity issuance and (purchases) - net	(4,227)	(2,031)
Distributions to noncontrolling interests for capital activities	(10,628)	(10,627)
Net cash provided by financing activities	349,028	448,984
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(948)	2,826
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	4,955	4,832
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 4,007	$ 7,658