Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net margins including noncontrolling interest	$ (12,324)	$ (15,063)
Adjustments to reconcile net margins to net cash provided by operating activities:
Depreciation, amortization and depletion	44,624	42,381
Amortization of NRECA Retirement Security Plan prepayment	1,343	1,343
Amortization of debt issuance costs	620	551
Deposits associated with generator interconnection requests	1,880	1,840
Rate stabilization revenue	0	(11,757)
Capital credit allocations from cooperatives and income from coal mines under refund distributions	2,042	1,348
Changes in operating assets and liabilities:
Accounts receivable	14,008	30,174
Coal inventory	(2,979)	764
Materials and supplies	(1,559)	(9,677)
Accounts payable and accrued expenses	(13,748)	(15,914)
Accrued interest	18,920	17,647
Accrued property taxes	(5,817)	(4,520)
Other	(11,396)	8,413
Net cash provided by operating activities	35,614	47,530
Investing activities
Purchases of plant	(47,993)	(33,945)
Sale of nonutility assets	3,061	0
Changes in deferred charges	(3,398)	(11,931)
Net cash used in investing activities	(48,330)	(45,876)
Financing activities
Changes in Member advances	(1,381)	(613)
Payments of long-term debt	(37,755)	(53,507)
Proceeds from issuance of long-term debt	0	100,000
Debt issuance costs	(8)	(515)
Change in short-term borrowings, net	88,556	(25,647)
Retirement of patronage capital	(5,214)	(5,446)
Equity distribution to noncontrolling interest	(10,028)	(949)
Other	(527)	(482)
Net cash provided by financing activities	33,643	12,841
Net increase in cash, cash equivalents and restricted cash and investments	20,927	14,495
Cash, cash equivalents and restricted cash and investments – beginning	110,018	110,682
Cash, cash equivalents and restricted cash and investments – ending	130,945	125,177
Supplemental cash flow information:
Cash paid for interest	24,656	22,519
Cash paid for income taxes	0	0
Supplemental disclosure of noncash investing and financing activities:
Change in plant expenditures included in accounts payable	$ (439)	$ (1,334)