Consolidated Statements of Financial Position - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Electric Plant
In service	$ 5,761,091	$ 5,682,613
Construction work in progress	209,024	212,081
Total electric plant	5,970,115	5,894,694
Less allowances for depreciation and amortization	(2,425,069)	(2,361,555)
Net electric plant	3,545,046	3,533,139
Other plant	247,113	234,457
Less allowances for depreciation, amortization, and depletion	(100,392)	(89,809)
Net other plant	146,721	144,648
Total property, plant and equipment	3,691,767	3,677,787
Other assets and investments
Investment in other associations	140,413	139,350
Investments in and advances to coal mines	18,286	18,176
Restricted cash and investments	1,000	1,000
Intangible assets, net of accumulated amortization	14,648	18,310
Other noncurrent assets	11,828	11,542
Total other assets and investments	186,175	188,378
Current assets
Cash and cash equivalents	139,431	165,893
Restricted cash and investments	1,075	997
Deposits and advances	40,728	25,141
Accounts receivable—Members	114,700	97,925
Other accounts receivable	17,158	24,837
Coal inventory	55,896	63,945
Materials and supplies	86,392	87,768
Total current assets	455,380	466,506
Deferred charges
Regulatory assets	478,472	395,615
Prepayment—NRECA Retirement Security Plan	40,491	43,627
Other	46,754	139,378
Total deferred charges	565,717	578,620
Total assets	4,899,039	4,911,291
Capitalization
Patronage capital equity	989,681	961,364
Accumulated other comprehensive income (loss)	(279)	(286)
Noncontrolling interest	109,820	109,147
Total equity	1,099,222	1,070,225
Long-term debt	3,069,987	3,139,705
Total capitalization	4,169,209	4,209,930
Current liabilities
Member advances	6,731	11,363
Accounts payable	108,955	105,511
Short-term borrowing	240,206	119,901
Accrued expenses	28,357	32,719
Accrued interest	32,437	34,166
Accrued property taxes	16,987	27,584
Current maturities of long-term debt	77,337	107,903
Total current liabilities	511,010	439,147
Deferred credits and other liabilities
Regulatory liabilities	72,729	95,512
Deferred income tax liability	30,517	30,517
Intangible liabilities	1,765	3,263
Asset retirement obligations	55,980	58,583
Other	49,487	66,164
Total deferred credits and other liabilities	210,478	254,039
Accumulated postretirement benefit and postemployment obligations	8,342	8,175
Total equity and liabilities	$ 4,899,039	$ 4,911,291