Consolidated Statements of Financial Position - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Electric plant
In service	$ 6,184,657	$ 6,090,392
Construction work in progress	130,651	164,924
Total electric plant	6,315,308	6,255,316
Less allowances for depreciation and amortization	(2,975,735)	(2,641,470)
Net electric plant	3,339,573	3,613,846
Other plant	415,015	409,051
Less allowances for depreciation, amortization and depletion	(133,587)	(113,607)
Net other plant	281,428	295,444
Total property, plant and equipment	3,621,001	3,909,290
Other assets and investments
Investments in other associations	159,187	161,945
Investments in and advances to coal mines	19,558	19,681
Restricted cash and investments	4,887	30,516
Other noncurrent assets	8,825	8,654
Total other assets and investments	192,457	220,796
Current assets
Cash and cash equivalents	164,965	83,070
Restricted cash and investments	199	182
Deposits and advances	31,586	28,434
Accounts receivable—Utility Members	99,420	105,371
Other accounts receivable	25,198	28,039
Coal inventory	55,879	50,191
Materials and supplies	93,342	93,632
Total current assets	470,589	388,919
Deferred charges
Regulatory assets	717,177	497,279
Prepayment—NRECA Retirement Security Plan	22,833	26,862
Other	58,670	42,672
Total deferred charges	798,680	566,813
Total assets	5,082,727	5,085,818
Capitalization
Patronage capital equity	1,029,050	1,031,063
Accumulated other comprehensive loss	(7,604)	(1,518)
Noncontrolling interest	113,425	111,717
Total equity	1,134,871	1,141,262
Long-term debt	3,205,904	3,063,351
Total capitalization	4,340,775	4,204,613
Current liabilities
Utility Member advances	16,504	18,025
Accounts payable	105,786	99,033
Short-term borrowings		252,323
Accrued expenses	29,165	43,761
Current asset retirement obligations	2,840	2,460
Accrued interest	45,830	29,716
Accrued property taxes	28,086	29,129
Current maturities of long-term debt	87,178	81,555
Total current liabilities	315,389	556,002
Deferred credits and other liabilities
Regulatory liabilities	237,187	122,169
Deferred income tax liability	33,744	58,937
Asset retirement and environmental reclamation obligations	80,303	76,454
Other	56,477	56,399
Total deferred credits and other liabilities	407,711	313,959
Accumulated postretirement benefit and postemployment obligations	18,852	11,244
Total equity and liabilities	$ 5,082,727	$ 5,085,818