In 2025, California Water Service Group disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
California Water Service Group disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 | 2024 | 2023 | 2022 - 2017 |
|---|---|---|---|---|
Total Energy Consumption | 756,548a | 752,400a | 701,258a | |
Non-Renewable Energy Consumption | 659,410a | 657,044a | 604,053a | |
Renewable Energy Consumption | 97,138a | 95,356a | 97,205a |
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In 2025, California Water Service Group consumed a total of 756,548 Gigajoules of energy across its operations. Of this total, 12.84% was sourced from renewable energy, either derived from natural resources like biofuels, biomass, or biogas, or generated using renewable technologies such as solar or wind power. The remaining 87.16% was classified as non-renewable energy, coming from fossil-based fuels such as coal, natural gas, or crude oil, or from non-renewable generation technologies like nuclear power.a
In 2025, California Water Service Group consumed a total of 756,548 Gigajoules of energy, of which 12.84% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This low level of renewable energy use highlights a heavy reliance on fossil fuels or other non-renewable sources, suggesting that California Water Service Group has considerable room to improve its energy sustainability strategy.
Since 2022, California Water Service Group's total energy consumption increased by 3.61%, but remained relatively stable in 2025, possibly indicating a plateau in energy growth.a
Over the same period, the share of renewable energy in California Water Service Group's consumption increased by 39.81%, including a 1.31% increase in 2025, showing consistent progress in clean energy adoption.a
Overall, California Water Service Group’s energy trends reveal a complex picture, with variations in total consumption and renewable sourcing. A closer examination of operational drivers and sourcing strategies is needed to fully assess the company’s environmental impact.