Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net margins including noncontrolling interest	$ 46,730	$ (717)
Adjustments to reconcile net margins to net cash provided by operating activities:
Depreciation, amortization and depletion	149,053	128,191
Amortization of NRECA Retirement Security Plan prepayment	4,029	4,029
Amortization of debt issuance costs	1,992	1,801
Goodwill impairment	68,223	0
Deposits associated with generator interconnection requests	26,232	11,601
Rate stabilization revenue	(125,123)	(36,862)
Capital credit allocations from cooperatives and income from coal mines under refund distributions	1,909	1,263
Changes in operating assets and liabilities:
Accounts receivable	(9,628)	4,389
Coal inventory	(20,083)	(16,875)
Materials and supplies	(6,006)	(9,446)
Accounts payable and accrued expenses	14,706	1,078
Accrued interest	18,381	17,290
Accrued property taxes	(2,479)	(6,301)
Deferred membership withdrawal	709,395	0
Other	(12,178)	5,271
Net cash provided by operating activities	865,153	104,712
Investing activities
Purchases of plant	(199,574)	(119,081)
Sale of electric plant	75,000	0
Sale of non-utility assets	3,136	0
Purchase of investments	(95,000)	0
Changes in deferred charges	(1,757)	2,078
Net cash used in investing activities	(218,195)	(117,003)
Financing activities
Changes in Member advances	(3,255)	3,416
Payments of long-term debt	(232,272)	(81,010)
Proceeds from issuance of long-term debt	0	450,000
Debt issuance costs	(8)	(605)
Change in short-term borrowings, net	(109,777)	(273,502)
Retirement of patronage capital	(87,414)	(5,446)
Equity distribution to noncontrolling interest	(10,273)	(1,882)
Other	(527)	(482)
Net cash provided by (used in) financing activities	(443,526)	90,489
Net increase in cash, cash equivalents and restricted cash and investments	203,432	78,198
Cash, cash equivalents and restricted cash and investments – beginning	110,018	110,682
Cash, cash equivalents and restricted cash and investments – ending	313,450	188,880
Supplemental cash flow information:
Cash paid for interest	105,701	108,407
Cash paid for income taxes	0	0
Supplemental disclosure of noncash investing and financing activities:
Change in plant expenditures included in accounts payable	$ 0	$ (395)