The San Francisco Public Utilities Commission’s (SFPUC) community choice energy program, CleanPowerSF, has secured its largest-ever single source of wind power. The acquisition was made possible through a new power purchase agreement with Scout Clean Energy.
This agreement includes electricity from the Gonzaga Ridge wind project, delivering 147.5 megawatts (MW) of clean wind energy. Additionally, it will provide 50 MW of reliable energy storage for CleanPowerSF’s 385,000 customers in San Francisco.
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Gonzaga Ridge Project Overview
Colorado-based Scout Clean Energy‘s Gonzaga Ridge project will be the largest single source of wind energy in CleanPowerSF’s supply. It is expected to generate enough electricity each year to power around 120,000 average San Francisco homes.
Additionally, the 50-megawatt, 4-hour battery energy storage system will store energy produced during the day. The stored energy will be used in the evening. That is when the power from the grid is more costly and reliant on natural gas. The project is anticipated to come online in May 2026.
“Thanks to our investment in Gonzaga Ridge, we will be nearly doubling the amount of clean wind energy for our CleanPowerSF customers,” said SFPUC General Manager Dennis Herrera.
He added, “The SFPUC has been a clean energy provider for 100 years, and we are continuing to expand our renewable energy portfolio to supply San Francisco with clean, affordable, and reliable power. We’re helping to make the grid more resilient in the face of climate change, accelerate California’s transition from fossil fuel power to more renewable energy, and create good jobs.”
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Environmental and Economic Impact
The Gonzaga Ridge project involves redeveloping an existing wind farm at the same site in Pacheco Park. It is expected to offset approximately 593,000 tons of carbon dioxide. During the project’s development andround 200 jobs will also be generated construction.
Moreover, all 378 tons of turbine blades from the decommissioned site will be recycled. This will enable avoiding landfills and producing 360,000 pounds of concrete additives.
CleanPowerSF’s Expanding Energy Portfolio
Including Gonzaga Ridge, CleanPowerSF has now secured contracts to purchase energy from over 600 megawatts of new solar, wind, and geothermal projects.
This is enough energy to power more than 500,000 average San Francisco homes. Additionally, CleanPowerSF’s energy storage contracts now total over 300 megawatts.
As of 2024, CleanPowerSF’s energy portfolio is more than 95% clean and renewable. Over the past eight years, CleanPowerSF has helped San Francisco reduce greenhouse gas emissions from electricity use by 93% from 1990 levels.