Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating revenues
Other	$ 20,104	$ 17,858
Operating revenues	351,549	364,051
Operating expenses
Purchased power	93,070	100,825
Fuel	76,340	81,930
Production	42,126	43,552
Transmission	47,558	49,028
General and administrative	21,733	18,498
Depreciation, amortization and depletion	44,624	42,381
Coal mining	1,078	1,639
Other	2,950	6,295
Operating expenses	329,479	344,148
Operating margins	22,070	19,903
Other income
Interest	1,499	1,330
Capital credits from cooperatives	1,281	1,952
Other income	5,320	1,555
Total other income	8,100	4,837
Interest expense
Interest	44,326	40,764
Interest charged during construction	(1,832)	(983)
Interest expense, net of amounts capitalized	42,494	39,781
Income tax expense	0	22
Net margins including noncontrolling interest	(12,324)	(15,063)
Net margin attributable to noncontrolling interest	(2,704)	(2,394)
Net margins attributable to the Association	(15,028)	(17,457)
Utility Member electric sales
Operating revenues
Operating revenues	295,826	292,176
Non-member electric sales
Operating revenues
Operating revenues	35,619	41,950
Rate stabilization
Operating revenues
Operating revenues	0	11,757
Provision for rate refunds
Operating revenues
Operating revenues	$ 0	$ 310