Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Electric plant:
In service	$ 9,375,405	$ 9,209,983
Right-of-use assets—finance leases	302,732	302,732
Less: Accumulated provision for depreciation	(4,939,712)	(4,833,025)
Net in service	4,738,425	4,679,690
Nuclear fuel, at amortized cost	354,942	359,270
Construction work in progress	5,535,768	4,816,896
Total electric plant	10,629,135	9,855,856
Investments and funds:
Nuclear decommissioning trust fund	540,726	511,339
Investment in associated companies	74,424	73,318
Long-term investments	416,418	254,864
Restricted investments	301,163	461,757
Other	27,593	26,422
Total investments and funds	1,360,324	1,327,700
Current assets:
Cash and cash equivalents	383,868	448,612
Restricted short-term investments	239,709	71,833
Receivables	169,808	166,429
Inventories, at average cost	274,004	277,729
Prepayments and other current assets	43,372	9,862
Total current assets	1,110,761	974,465
Deferred charges:
Regulatory assets	739,089	763,512
Prepayments to Georgia Power	35,607	48,052
Other	22,136	20,528
Total deferred charges	796,832	832,092
Total assets	13,897,052	12,990,113
Capitalization:
Patronage capital and membership fees	1,074,584	1,016,747
Long-term debt	10,151,505	9,403,847
Obligation under finance leases	72,354	75,649
Other	26,627	25,196
Total capitalization	11,325,070	10,521,439
Current liabilities:
Long-term debt and finance leases due within one year	235,118	217,440
Short-term borrowings	266,115	282,370
Accounts payable	143,621	165,049
Accrued interest	76,378	65,895
Member power bill prepayments, current	56,416	77,066
Other current liabilities	58,404	49,443
Total current liabilities	836,052	857,263
Deferred credits and other liabilities:
Asset retirement obligations	1,127,670	1,070,640
Member power bill prepayments, non-current	98,071	134,396
Regulatory liabilities	480,446	364,241
Other	29,743	42,134
Total deferred credits and other liabilities	1,735,930	1,611,411
Total equity and liabilities	$ 13,897,052	$ 12,990,113