v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Income Statement [Abstract]        
Operating revenue $ 308,596 $ 264,954 $ 523,169 $ 468,927
Operations:        
Water production costs 91,843 85,503 163,172 148,494
Administrative and general 36,221 33,317 69,907 67,491
Other operations 45,144 31,695 76,377 60,531
Maintenance 9,150 9,043 17,516 16,711
Depreciation and amortization 29,536 36,029 69,500 71,985
Income tax expense 13,872 6,915 13,946 7,950
Property and other taxes 11,931 10,643 23,688 21,611
Total operating expenses 237,697 213,145 434,106 394,773
Net operating income 70,899 51,809 89,063 74,154
Other income and expenses:        
Non-regulated revenue 6,241 4,911 11,462 9,992
Non-regulated expenses (3,579) (2,868) (9,036) (6,334)
Other components of net periodic benefit credit 2,288 4,589 6,260 9,389
Allowance for equity funds used during construction 2,085 1,898 4,164 3,695
Income tax expense on other income and expenses (1,716) (1,752) (3,107) (3,455)
Net other income 5,319 6,778 9,743 13,287
Interest expense:        
Interest expense 20,809 17,464 40,428 33,973
Allowance for borrowed funds used during construction (1,044) (927) (2,112) (1,784)
Net interest expense 19,765 16,537 38,316 32,189
Net income 56,453 42,050 60,490 55,252
Net loss attributable to noncontrolling interest (12) (118) (12) (247)
Net income attributable to California Water Service Group $ 56,465 $ 42,168 $ 60,502 $ 55,499
Earnings per share:        
Basic (in dollars per share) $ 0.94 $ 0.71 $ 1.01 $ 0.93
Diluted (in dollars per share) $ 0.93 $ 0.71 $ 1.01 $ 0.93
Weighted average shares outstanding:        
Basic (in shares) 60,357 59,574 60,030 59,542
Diluted (in shares) 60,434 59,629 60,105 59,590