Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating revenues
Other	$ 37,119	$ 15,618	$ 80,767	$ 48,162
Operating revenues	528,883	438,319	1,217,931	1,120,824
Operating expenses
Purchased power	123,437	120,250	315,347	316,356
Fuel	59,271	71,241	167,819	197,944
Production	40,192	44,758	129,375	142,733
Transmission	47,984	47,098	140,506	142,406
General and administrative	32,430	19,663	77,993	61,738
Depreciation, amortization and depletion	60,277	43,120	149,053	128,191
Coal mining	3,238	3,834	5,343	9,603
Goodwill impairment	68,223	0	68,223	0
Other	4,471	2,345	10,671	11,057
Operating expenses	439,523	352,309	1,064,330	1,010,028
Operating margins	89,360	86,010	153,601	110,796
Other income
Interest	5,015	2,343	11,455	5,153
Capital credits from cooperatives	1,017	1,145	2,298	3,103
Other income	669	3,852	4,792	5,894
Total other income	6,701	7,340	18,545	14,150
Interest expense
Interest	43,587	45,558	133,292	128,924
Interest charged during construction	(3,279)	(1,238)	(7,876)	(3,328)
Interest expense, net of amounts capitalized	40,308	44,320	125,416	125,596
Income tax expense	0	23	0	67
Net margins including noncontrolling interest	55,753	49,007	46,730	(717)
Net margin attributable to noncontrolling interest	(960)	(2,526)	(6,457)	(7,444)
Net margins attributable to the Association	54,793	46,481	40,273	(8,161)
Utility Member electric sales
Operating revenues
Operating revenues	309,599	357,576	863,711	923,977
Non-member electric sales
Operating revenues
Operating revenues	73,943	51,294	148,330	111,729
Rate stabilization
Operating revenues
Operating revenues	108,222	14,041	125,123	36,862
Provision for rate refunds
Operating revenues
Operating revenues	$ 0	$ (210)	$ 0	$ 94