Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Electric plant:
In service	$ 17,522,416	$ 14,112,098
Right-of-use assets—finance leases	302,732	302,732
Less: Accumulated provision for depreciation	(5,564,073)	(5,418,738)
Electric plant in service, net	12,261,075	8,996,092
Nuclear fuel, at amortized cost	384,871	389,662
Construction work in progress	255,681	3,294,641
Total electric plant	12,901,627	12,680,395
Investments and funds:
Nuclear decommissioning trust fund	686,619	641,239
Investment in associated companies	83,831	82,133
Long-term investments	630,385	690,732
Other	36,591	35,585
Total investments and funds	1,437,426	1,449,689
Current assets:
Cash and cash equivalents	313,824	490,592
Short-term investments	147,156	143,931
Receivables	252,059	201,784
Inventories, at weighted average cost	309,995	337,045
Prepayments and other current assets	34,216	18,335
Total current assets	1,057,250	1,191,687
Deferred charges and other assets:
Regulatory assets	1,138,527	1,131,489
Prepayments to Georgia Power Company	16,686	13,722
Other	52,315	57,869
Total deferred charges	1,207,528	1,203,080
Total assets	16,603,831	16,524,851
Capitalization:
Patronage capital and membership fees	1,324,207	1,257,917
Long-term debt	11,756,561	11,600,917
Obligation under finance leases	38,520	43,586
Obligation under Rocky Mountain transactions	30,869	29,862
Other	6,588	5,152
Total capitalization	13,156,745	12,937,434
Current liabilities:
Long-term debt and finance leases due within one year	386,954	384,426
Short-term borrowings	473,300	607,885
Accounts payable	80,856	117,272
Accrued interest	102,684	106,355
Member power bill prepayments, current	19,664	31,406
Other current liabilities	91,688	111,109
Total current liabilities	1,155,146	1,358,453
Deferred credits and other liabilities:
Asset retirement obligations	1,551,526	1,458,937
Member power bill prepayments, non-current	68,683	47,133
Regulatory liabilities	652,043	706,320
Other	19,688	16,574
Total deferred credits and other liabilities	2,291,940	2,228,964
Total equity and liabilities	$ 16,603,831	$ 16,524,851