v3.25.2
SEGMENTS OF BUSINESS - Key Metrics Reviewed (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
SEGMENTS OF BUSINESS        
Fuel $ (15,063) $ (12,370) $ (30,273) $ (20,929)
Other Operating and Maintenance Costs (28,955) (33,981) (57,344) (70,963)
Cost of Purchased Power (2,172) (2,619) (9,012) (4,545)
Utilities (4,507) (3,910) (8,659) (8,504)
Labor (26,799) (26,555) (53,828) (61,723)
Delivered Energy        
SEGMENTS OF BUSINESS        
Revenues 44,132 43,106 116,268 92,234
Capacity Revenue        
SEGMENTS OF BUSINESS        
Revenues 15,844 16,873 29,651 28,646
Electric sales        
SEGMENTS OF BUSINESS        
Revenues 59,976 59,979 145,919 120,880
EBITDA Margin 22,316 24,221 71,876 61,730
Coal Sales        
SEGMENTS OF BUSINESS        
Revenues 38,147 32,801 68,332 82,431
EBITDA Margin (4,733) (15,686) (23,633) (33,297)
Electric Operations        
SEGMENTS OF BUSINESS        
Revenues 59,976 59,979 145,919 120,880
Electric Operations | Delivered Energy        
SEGMENTS OF BUSINESS        
Revenues 44,132 43,106 116,268 92,234
Electric Operations | Capacity Revenue        
SEGMENTS OF BUSINESS        
Revenues 15,844 16,873 29,651 28,646
Electric Operations | Operating Segment        
SEGMENTS OF BUSINESS        
Fuel (21,328) (24,416) (59,399) (49,351)
Other Operating Costs (1) 7 (9) 14
Total Variable Costs (21,329) (24,409) (59,408) (49,337)
Other Operating and Maintenance Costs (10,707) (12,479) (15,234) (17,365)
Cost of Purchased Power (2,172) (2,619) (9,012) (4,545)
Utilities (1,383) (437) (2,059) (959)
Labor (7,639) (7,160) (15,782) (14,843)
Margin Without General And Administrative 16,746 12,875 44,424 33,831
General and administrative (1,129) (1,450) (2,664) (2,508)
EBITDA Margin 15,617 11,425 41,760 31,323
Electric Operations | Operating Segment | Delivered Energy        
SEGMENTS OF BUSINESS        
Revenues 44,132 43,106 116,268 92,234
Electric Operations | Operating Segment | Capacity Revenue        
SEGMENTS OF BUSINESS        
Revenues 15,844 16,873 29,651 28,646
Electric Operations | Operating Segment | Electric sales        
SEGMENTS OF BUSINESS        
Revenues 59,976 59,979 145,919 120,880
EBITDA Margin 15,617 11,425 41,760 31,323
Coal Operations        
SEGMENTS OF BUSINESS        
Revenues 38,147 32,801 68,332 82,431
Coal Operations | Operating Segment        
SEGMENTS OF BUSINESS        
Fuel (434) (750) (990) (1,985)
Other Operating and Maintenance Costs (18,247) (21,597) (42,101) (53,388)
Utilities (3,124) (3,253) (6,600) (7,545)
Labor (19,160) (19,395) (38,046) (46,880)
Margin Without General And Administrative 4,564 715 12,566 1,948
General and administrative (1,915) (3,492) (4,228) (5,930)
EBITDA Margin 2,649 (2,777) 8,338 (3,982)
Coal Operations | Operating Segment | Coal Sales        
SEGMENTS OF BUSINESS        
Revenues 45,529 45,710 100,303 111,746
EBITDA Margin $ 2,649 $ (2,777) $ 8,338 $ (3,982)