Consolidated Statements of Financial Position - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Electric plant
In service	$ 5,698,894	$ 5,722,679
Construction work in progress	273,339	163,954
Total electric plant	5,972,233	5,886,633
Less allowances for depreciation and amortization	(2,805,718)	(2,739,924)
Net electric plant	3,166,515	3,146,709
Other plant	963,871	952,318
Less allowances for depreciation, amortization and depletion	(743,752)	(711,896)
Net other plant	220,119	240,422
Total property, plant and equipment	3,386,634	3,387,131
Other assets and investments
Investments in other associations	185,673	187,684
Investments in and advances to coal mines	1,721	1,619
Restricted cash and investments	2,295	3,408
Other noncurrent assets	14,812	15,264
Total other assets and investments	204,501	207,975
Current assets
Cash and cash equivalents	293,578	106,005
Restricted cash and investments	17,577	605
Short-term investments	95,000	0
Deposits and advances	78,977	37,455
Accounts receivable—Utility Members	92,299	101,394
Other accounts receivable	44,457	23,123
Coal inventory	75,062	54,979
Materials and supplies	112,900	106,893
Total current assets	809,850	430,454
Deferred charges
Regulatory assets	826,476	919,483
Prepayment—NRECA Retirement Security Plan	1,343	5,372
Other	52,501	36,121
Total deferred charges	880,320	960,976
Total assets	5,281,305	4,986,536
Capitalization
Patronage capital equity	942,654	984,581
Accumulated other comprehensive loss	(596)	(839)
Noncontrolling interest	130,453	134,269
Total equity	1,072,511	1,118,011
Long-term debt	2,696,693	2,896,506
Total capitalization	3,769,204	4,014,517
Current liabilities
Utility Member advances	11,079	14,333
Accounts payable	179,118	123,674
Short-term borrowings	74,627	184,305
Accrued expenses	21,940	39,268
Current asset retirement obligations	16,337	21,635
Accrued interest	42,930	24,549
Accrued property taxes	29,506	31,986
Current maturities of long-term debt	192,561	223,523
Total current liabilities	568,098	663,273
Deferred credits and other liabilities
Regulatory liabilities	584,375	2,317
Deferred income tax liability	14,609	15,223
Asset retirement and environmental reclamation obligations	219,995	195,566
Other	114,076	84,125
Total deferred credits and other liabilities	933,055	297,231
Accumulated postretirement benefit and postemployment obligations	10,948	11,515
Total equity and liabilities	$ 5,281,305	$ 4,986,536