Consolidated Statements of Financial Position - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Electric plant
In service	$ 6,126,271	$ 6,090,392
Construction work in progress	156,996	164,924
Total electric plant	6,283,267	6,255,316
Less allowances for depreciation and amortization	(2,928,176)	(2,641,470)
Net electric plant	3,355,091	3,613,846
Other plant	412,291	409,051
Less allowances for depreciation, amortization and depletion	(122,495)	(113,607)
Net other plant	289,796	295,444
Total property, plant and equipment	3,644,887	3,909,290
Other assets and investments
Investments in other associations	162,562	161,945
Investments in and advances to coal mines	19,689	19,681
Restricted cash and investments	4,967	30,516
Other noncurrent assets	8,512	8,654
Total other assets and investments	195,730	220,796
Current assets
Cash and cash equivalents	180,682	83,070
Restricted cash and investments	188	182
Deposits and advances	35,856	28,434
Accounts receivable—Members	97,901	105,371
Other accounts receivable	21,212	28,039
Coal inventory	48,348	50,191
Materials and supplies	92,677	93,632
Total current assets	476,864	388,919
Deferred charges
Regulatory assets	732,784	497,279
Prepayment—NRECA Retirement Security Plan	25,519	26,862
Other	56,122	42,672
Total deferred charges	814,425	566,813
Total assets	5,131,906	5,085,818
Capitalization
Patronage capital equity	1,026,453	1,031,063
Accumulated other comprehensive income (loss)	(7,958)	(1,518)
Noncontrolling interest	111,768	111,717
Total equity	1,130,263	1,141,262
Long-term debt	3,217,571	3,063,351
Total capitalization	4,347,834	4,204,613
Current liabilities
Member advances	11,120	18,025
Accounts payable	100,153	99,033
Short-term borrowings	164,723	252,323
Accrued expenses	35,855	43,761
Current asset retirement obligations	1,802	2,460
Accrued interest	47,037	29,716
Accrued property taxes	27,066	29,129
Current maturities of long-term debt	85,636	81,555
Total current liabilities	473,392	556,002
Deferred credits and other liabilities
Regulatory liabilities	122,051	122,169
Deferred income tax liability	33,969	58,937
Asset retirement and environmental reclamation obligations	81,078	76,454
Other	54,395	56,399
Total deferred credits and other liabilities	291,493	313,959
Accumulated postretirement benefit and postemployment obligations	19,187	11,244
Total equity and liabilities	$ 5,131,906	$ 5,085,818