Pasadena Expands Renewable Electricity Resources With Geothermal Contract

PASADENA, Calif.– As part of Pasadena’s commitment to the adoption of clean energy, Pasadena Water and Power (PWP) is expanding its energy portfolio with 25 megawatts (MW) of geothermal energy as part of Pasadena’s commitment to growing clean energy and goal of sourcing 100% of its electricity from carbon-free sources.

“Pasadena continues to invest in our renewable future,” said PWP General Manager Sidney Jackson. “The addition of this new geothermal energy brings us closer to meeting goals adopted by the City Council.”

The City Council recently approved a 15-year, 25-MW contract with the Southern California Public Power Authority for the purchase of geothermal energy from Geysers Power Company, LLC, an indirect subsidiary of Calpine Corporation, beginning on January 1, 2027. Located in Lake County, California, The Geysers Geothermal Project (Geysers) is North America’s largest producer of clean, reliable renewable geothermal power.

PWP is currently in the process of updating its Power Integrated Resource Plan (IRP), Pasadena’s long-range blueprint for supplying reliable and environmentally responsible electricity at competitive rates. The acquisition of this geothermal energy advances the greenhouse gas reduction goals identified in the 2021 Power IRP Update. Along with the Coso Geothermal Project contract, which was acquired in 2020 and is also anticipated to start delivering energy in 2027, geothermal power is expected to make up approximately 25 percent of PWP’s retail energy sales by the end of 2027.

About Pasadena Water & Power
PWP provides electricity to more than 65,000 customers within Pasadena. PWP delivers water to almost 38,000 households and businesses in Pasadena and adjacent communities in the San Gabriel Valley. As a community-owned utility, PWP is a not-for-profit public service owned and operated by the City of Pasadena for the benefit of its customers and the community. Its priorities are reliability, responsiveness to customers, reasonable rates and environmental stewardship. For more information, visit

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