Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Electric plant:
In service	$ 9,249,897	$ 9,209,983
Right-of-use assets—finance leases	302,732	302,732
Less: Accumulated provision for depreciation	(4,861,870)	(4,833,025)
Net in service	4,690,759	4,679,690
Nuclear fuel, at amortized cost	365,244	359,270
Construction work in progress	5,084,102	4,816,896
Total electric plant	10,140,105	9,855,856
Investments and funds:
Nuclear decommissioning trust fund	444,820	511,339
Investment in associated companies	74,540	73,318
Long-term investments	307,412	254,864
Restricted investments	408,974	461,757
Bond purchase fund	212,760	0
Other	26,808	26,422
Total investments and funds	1,475,314	1,327,700
Current assets:
Cash and cash equivalents	360,081	448,612
Restricted short-term investments	131,249	71,833
Receivables	143,971	166,429
Inventories, at average cost	289,065	277,729
Prepayments and other current assets	8,567	9,862
Total current assets	932,933	974,465
Deferred charges:
Regulatory assets	806,460	763,512
Prepayments to Georgia Power	49,364	48,052
Other	18,252	20,528
Total deferred charges	874,076	832,092
Total assets	13,422,428	12,990,113
Capitalization:
Patronage capital and membership fees	1,039,951	1,016,747
Long-term debt	9,759,415	9,403,847
Obligation under finance leases	75,649	75,649
Other	26,344	25,196
Total capitalization	10,901,359	10,521,439
Current liabilities:
Long-term debt and finance leases due within one year	219,834	217,440
Short-term borrowings	401,903	282,370
Accounts payable	106,358	165,049
Accrued interest	77,778	65,895
Member power bill prepayments, current	95,949	77,066
Other current liabilities	51,863	49,443
Total current liabilities	953,685	857,263
Deferred credits and other liabilities:
Asset retirement obligations	1,082,262	1,070,640
Member power bill prepayments, non-current	115,321	134,396
Regulatory liabilities	328,939	364,241
Other	40,862	42,134
Total deferred credits and other liabilities	1,567,384	1,611,411
Total equity and liabilities	$ 13,422,428	$ 12,990,113