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v3.25.3

Income Taxes: (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
GSWC |  |  |  |
Effective income tax rate |  |  |  |
ETRs ( as a percent) | 24.60% | 22.60% | 24.60% | 24.00%
Parent |  |  |  |
Effective income tax rate |  |  |  |
ETRs ( as a percent) | 23.90% | 21.90% | 23.70% | 23.40%

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