CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating Activities:
Net Income/(Loss)	$ 1,276,705	$ 744,772
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	1,160,563	1,060,650
Deferred Income Taxes	15,618	343,004
Uncollectible Expense	59,614	55,438
Pension, SERP and PBOP Income, Net	(60,000)	(54,663)
Pension Contributions	(2,500)	(5,000)
Regulatory Over/(Under) Recoveries, Net	214,614	(476,419)
Amortization	672,798	127,495
Cost of Removal Expenditures	(201,665)	(202,167)
Losses on Offshore Wind	284,000	464,019
Other	90,609	(77,264)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	25,536	(177,806)
Taxes Receivable/Accrued, Net	92,980	89,730
Accounts Payable	(203,268)	(231,898)
Other Current Assets and Liabilities, Net	(228,089)	(142,285)
Net Cash Flows Provided by Operating Activities	3,197,515	1,517,606
Investing Activities:
Investments in Property, Plant and Equipment	(3,175,358)	(3,291,850)
Proceeds from Sales of Marketable Securities	256,250	146,369
Purchases of Marketable Securities	(242,530)	(133,544)
Payments for Offshore Wind Contingent Liability	(141,342)	0
Investments in Unconsolidated Affiliates	(588)	(929,651)
Proceeds from Sales of Offshore Wind Investments	0	862,713
Other Investing Activities	10,785	22,506
Net Cash Flows Used in Investing Activities	(3,292,783)	(3,323,457)
Financing Activities:
Issuance of Common Shares, Net of Issuance Costs	465,398	830,178
Cash Dividends on Common Shares	(816,429)	(745,221)
Cash Dividends on Preferred Stock	(5,639)	(5,639)
(Decrease)/Increase in Notes Payable	(525,293)	(1,278,252)
Repayment of Rate Reduction Bonds	(43,210)	(43,210)
Issuance of Long-Term Debt	2,040,282	4,400,000
Retirement of Long-Term Debt	(750,225)	(1,260,148)
Other Financing Activities	(30,196)	(55,474)
Net Cash Flows Provided by Financing Activities	334,688	1,842,234
Net Increase/(Decrease) in Cash, Cash Equivalents and Restricted Cash	239,420	36,383
Cash and Restricted Cash - Beginning of Period	127,308	166,418
Cash, Cash Equivalents and Restricted Cash - End of Period	$ 366,728	$ 202,801