Consolidated Statements of Financial Position - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Electric Plant
In service	$ 5,486,518	$ 5,193,236
Construction work in progress	216,279	206,097
Total electric plant	5,702,797	5,399,333
Less allowances for depreciation and amortization	(2,240,732)	(2,129,173)
Net electric plant	3,462,065	3,270,160
Other plant	227,957	210,694
Accumulated depreciation and depletion	(73,471)	(58,117)
Net other plant	154,486	152,577
Total property, plant and equipment	3,616,551	3,422,737
Other assets and investments
Investment in other associations	123,686	117,976
Investments in and advances to coal mines	16,221	15,016
Restricted cash and investments	1,000	39,376
Intangible assets	25,634	32,958
Other noncurrent assets	12,139	12,531
Total other assets and investments	178,680	217,857
Current assets
Cash and cash equivalents	144,587	92,468
Restricted cash and investments	9,530	9,784
Deposits and advances	21,673	22,224
Accounts receivable—Members	106,216	105,723
Other accounts receivable	14,270	25,693
Coal inventory	59,277	40,673
Materials and supplies	85,501	80,069
Total current assets	441,054	376,634
Deferred charges
Regulatory assets	415,081	426,043
Prepayment—NRECA Retirement and Security Plan	49,146	54,665
Other	122,535	156,200
Total deferred charges	586,762	636,908
Total assets	4,823,047	4,654,136
Capitalization
Patronage capital equity	952,082	908,669
Accumulated other comprehensive income (loss)	589	(828)
Noncontrolling interest	108,757	109,302
Total equity	1,061,428	1,017,143
Long-term debt	3,273,538	3,145,246
Total capitalization	4,334,966	4,162,389
Current liabilities
Member advances	9,403	14,576
Accounts payable	96,098	103,177
Accrued expenses	30,045	30,005
Accrued interest	34,332	32,517
Accrued property taxes	27,395	26,010
Current maturities of long‑term debt	91,419	92,802
Total current liabilities	288,692	299,087
Deferred credits and other liabilities
Regulatory liabilities	45,000	45,000
Deferred income tax liability	28,629	17,230
Intangible liabilities	6,221	9,424
Asset retirement obligation	55,215	53,754
Other	57,423	59,121
Total deferred credits and other liabilities	192,488	184,529
Accumulated postretirement benefit and postemployment obligations	6,901	8,131
Total equity and liabilities	$ 4,823,047	$ 4,654,136