CONDENSED CONSOLIDATED STATEMENTS OF INCOME/(LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Operating Revenues	$ 3,220,625	$ 3,063,224	$ 10,177,048	$ 8,929,321
Operating Expenses:
Purchased Power, Purchased Natural Gas and Transmission	1,049,254	917,858	3,208,337	2,995,245
Operations and Maintenance	518,341	510,439	1,473,349	1,437,826
Depreciation	395,388	366,145	1,160,563	1,060,650
Amortization	108,246	243,957	672,798	127,495
Energy Efficiency Programs	173,104	148,054	565,945	506,821
Taxes Other Than Income Taxes	287,610	264,371	817,931	740,414
Total Operating Expenses	2,531,943	2,450,824	7,898,923	6,868,451
Operating Income/(Loss)	688,682	612,400	2,278,125	2,060,870
Interest Expense	318,065	300,576	912,107	822,640
Losses on Offshore Wind	284,000	464,019	284,000	464,019
Other Income, Net	85,830	112,555	273,536	318,870
Income/(Loss) Before Income Tax (Benefit)/Expense	172,447	(39,640)	1,355,554	1,093,081
Income Tax (Benefit)/Expense	(196,982)	76,537	78,849	348,309
Net Income/(Loss)	369,429	(116,177)	1,276,705	744,772
Net Income Attributable to Noncontrolling Interests	1,880	1,880	5,639	5,639
Net Income/(Loss) Attributable to Common Shareholders	$ 367,549	$ (118,057)	$ 1,271,066	$ 739,133
Basic Earnings Per Common Share (in dollars per share)	$ 0.99	$ (0.33)	$ 3.44	$ 2.09
Diluted Earnings Per Common Share (in dollars per share)	$ 0.99	$ (0.33)	$ 3.44	$ 2.08
Weighted Average Common Shares Outstanding:
Basic (in shares)	371,914,953	359,520,518	369,299,065	354,483,338
Diluted (in shares)	372,262,732	359,817,657	369,619,180	354,744,846