CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues
Electric	$ 295,308	$ 271,727
Gas	159,234	122,755
Total Revenues	454,542	394,482
Operating expenses
Fuel, purchased supply and direct transmission expense (exclusive of depreciation and depletion shown separately below)	165,492	135,073
Operating and maintenance	55,861	52,794
Administrative and general	34,748	31,644
Property and other taxes	49,151	46,850
Depreciation and depletion	53,248	48,905
Total Operating Expenses	358,500	315,266
Operating income	96,042	79,216
Interest expense, net	(28,008)	(23,716)
Other income, net	4,737	4,721
Income before income taxes	72,771	60,221
Income tax expense	(10,241)	(1,111)
Net Income	$ 62,530	$ 59,110
Average Common Shares Outstanding	59,776,195	54,096,768
Basic Earnings per Average Common Share	$ 1.05	$ 1.09
Diluted Earnings per Average Common Share	1.05	1.08
Dividends Declared per Common Share	$ 0.64	$ 0.63