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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Statement [Abstract] |  |  |  |
Operating revenue | $ 244,299 | $ 194,044 | $ 515,048 | $ 325,144
Operations: |  |  |  |
Water production costs | 77,644 | 70,867 | 141,829 | 125,875
Administrative and general | 32,042 | 34,975 | 67,638 | 70,961
Other operations | 25,626 | 25,823 | 52,551 | 42,427
Maintenance | 8,790 | 7,155 | 16,800 | 15,133
Depreciation and amortization | 32,978 | 29,824 | 65,822 | 59,739
Income tax expense (benefit) | 8,689 | 329 | 24,227 | (5,315)
Property and other taxes | 10,364 | 9,122 | 20,121 | 17,899
Total operating expenses | 196,133 | 178,095 | 388,988 | 326,719
Net operating income (loss) | 48,166 | 15,949 | 126,060 | (1,575)
Other income and expenses: |  |  |  |
Non-regulated revenue | 5,513 | 4,485 | 10,611 | 9,108
Non-regulated expenses | (4,125) | (2,957) | (6,079) | (5,232)
Other components of net periodic benefit credit | 4,338 | 4,756 | 7,611 | 9,977
Allowance for equity funds used during construction | 1,819 | 1,355 | 3,561 | 2,759
Income tax expense on other income and expenses | (1,306) | (1,445) | (2,627) | (3,239)
Net other income | 6,239 | 6,194 | 13,077 | 13,373
Interest expense: |  |  |  |
Interest expense | 14,840 | 13,491 | 30,640 | 26,309
Allowance for borrowed funds used during construction | (812) | (795) | (1,570) | (1,624)
Net interest expense | 14,028 | 12,696 | 29,070 | 24,685
Net income (loss) | 40,377 | 9,447 | 110,067 | (12,887)
Net loss attributable to noncontrolling interests | (174) | (109) | (401) | (232)
Net income (loss) attributable to California Water Service Group | $ 40,551 | $ 9,556 | $ 110,468 | $ (12,655)
Earnings (loss) per share: |  |  |  |
Basic (in dollars per share) | $ 0.70 | $ 0.17 | $ 1.90 | $ (0.23)
Diluted (in dollars per share) | $ 0.70 | $ 0.17 | $ 1.90 | $ (0.23)
Weighted average shares outstanding: |  |  |  |
Basic (in shares) | 58,292 | 56,692 | 58,013 | 56,182
Diluted (in shares) | 58,325 | 56,730 | 58,046 | 56,182

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