Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Electric plant:
In service	$ 9,906,904	$ 9,865,660
Right-of-use assets—finance leases	302,732	302,732
Less: Accumulated provision for depreciation	(5,782,319)	(5,565,724)
Net in service	4,427,317	4,602,668
Nuclear fuel, at amortized cost	378,263	375,267
Construction work in progress	7,230,565	6,779,392
Total electric plant	12,036,145	11,757,327
Investments and funds:
Nuclear decommissioning trust fund	535,714	659,910
Investment in associated companies	77,409	75,826
Long-term investments	648,297	711,379
Restricted investments	0	73,702
Bond purchase fund	30,975	0
Other	32,873	31,991
Total investments and funds	1,325,268	1,552,808
Current assets:
Cash and cash equivalents	476,792	579,350
Restricted cash and short-term investments	219,840	248,150
Short-term investments	42,691	0
Receivables	274,809	159,538
Inventories, at average cost	282,563	260,526
Prepayments and other current assets	122,121	60,486
Total current assets	1,418,816	1,308,050
Deferred charges and other assets:
Regulatory assets	1,148,041	1,008,790
Prepayments to Georgia Power Company	22,672	27,124
Other	134,686	52,927
Total deferred charges	1,305,399	1,088,841
Total assets	16,085,628	15,707,026
Capitalization:
Patronage capital and membership fees	1,170,570	1,130,423
Long-term debt	11,053,441	10,529,449
Obligation under finance leases	57,249	61,335
Other	28,245	27,701
Total capitalization	12,309,505	11,748,908
Current liabilities:
Long-term debt and finance leases due within one year	292,343	281,238
Short-term borrowings	761,282	1,095,971
Accounts payable	243,063	182,164
Accrued interest	80,157	96,410
Member power bill prepayments, current	34,584	26,102
Other current liabilities	143,110	36,123
Total current liabilities	1,554,539	1,718,008
Deferred credits and other liabilities:
Asset retirement obligations	1,310,412	1,287,143
Member power bill prepayments, non-current	59,041	80,001
Regulatory liabilities	829,250	849,449
Other	22,881	23,517
Total deferred credits and other liabilities	2,221,584	2,240,110
Total equity and liabilities	$ 16,085,628	$ 15,707,026