Energy Sources — CleanPowerSF

Where Our Power Comes From

CleanPowerSF is San Francisco’s local, clean energy provider. We source power that is clean, reliable, and affordable for more than 380,000 customers.

Our energy comes from a variety of resources mostly right here in California. The majority of our power is hydroelectric and solar, followed by geothermal and wind.

To date, we have committed to sourcing energy from more than 600 megawatts of brand new solar, wind and geothermal projects. This is enough energy to power more than 500,000 average San Francisco homes. As a CleanPowerSF customer, you are helping to support the construction of these new projects and California’s transition to a clean energy future.

Learn more about CleanPowerSF’s energy sources below.

Projects Online

These are CleanPowerSF’s multi-year renewable energy projects currently under contract. These projects power your home or business with clean energy.

Projects In Development

CleanPowerSF has several contracted renewable energy projects in the construction phase. Click on the projects below to learn more.

  • Energy Type: Solar plus battery storage
    Location: Alameda County, CA

    The to-be-constructed Aramis Solar Plus Storage project will provide 75 MW of solar energy and 75 MW of battery storage capacity to CleanPowerSF customers. Once complete, this Bay Area project will also provide valuable clean and reliable power to the Bay Area region. The project is expected to generate over 400 all-union construction jobs between IP Aramis, LLC and five local construction crafts representing over 10,000 members living in Alameda and Contra Costa counties.

  • Energy Type: Battery storage
    Location: Rosamond, CA (Kern County, CA)

    The Tumbleweed project is located near Rosamond in Kern County, CA and is a proposed 75 MW battery storage project that will provide about 12 MW of energy storage capacity to CleanPowerSF once completed. This project, along with the Goal Line project, will provide energy storage capability for the equivalent of about 35,000 average San Francisco residential customers for up to 8-hours.

  • Energy Type: Battery storage
    Location: Escondido, CA (San Diego County, CA)

    The Goal Line project is located near Escondido in San Diego County, CA and is a proposed 50 MW battery storage project that will provide 11 MW of energy storage capacity to CleanPowerSF once completed. This project, along with the Tumbleweed project, will provide energy storage capability for the equivalent off about 35,000 average San Francisco residential customers for up to 8-hours.

  • Energy Type: Geothermal
    Location: Esmerelda County, NV

    The Fish Lake Geothermal project is located in Esmerelda County, NV. It is a to-be-constructed 13 MW geothermal power plant that will provide about 2 MW to CleanPowerSF. Once completed, this project will provide enough energy for approximately 5,000 average San Francisco residential customers.

  • Energy Type: Geothermal
    Location: California and Nevada

    The Ormat Geothermal Portfolio Project are to-be-constructed geothermal power plants located in California and Nevada. Once completed, this project will provide enough energy for approximately 50,000 average San Francisco residential customers.

  • Energy Type: Battery storage
    Location: Solano County, CA

    Expected to be operational in 2025, the Corby project will be CleanPowerSF’s first standalone battery storage project located in Northern California. The project will have a total capacity of 300 MW of battery storage as well as create approximately 200 construction jobs. The project is being developed by a subsidiary of NextEra Energy Resources, LLC.

Power Content Label

Green service

Our Green service delivers at least 60% renewable energy, and features renewable resources like solar, wind, and geothermal. It also includes hydroelectric power, a greenhouse gas-free source of electricity.

SuperGreen Service

Our SuperGreen service features 100% renewable electricity, and includes wind power from the Shiloh Wind Farm.

View the 2022 SuperGreen Product Content Label (pdf).

The Power Content Label featured below is for 2022.

 

* Unspecified sources of power means electricity from transactions that are not traceable to specific generation sources.

** Percentages are estimated annually by the California Energy Commission based on the electricity generated in California and net imports as reported to the Quarterly Fuel and Energy Report database and the Power Source Disclosure program.

For specific information about this electricity product, contact us at 415-554-0773. For general information about the Power Content Label, please visit energy.ca.gov.pcl. For additional questions, please contact the California Energy Commission at 844-454-2906 (toll-free in California) or 916-653-0237 (outside California).

Percentages may not total 100% due to rounding.

 

Integrated Resource Plan (IRP)

CleanPowerSF’s Integrated Resource Plan (IRP) is a roadmap for serving our customers’ energy demand. The IRP captures our energy resource planning and investment over the next 20 years and helps us weigh trade-offs between factors like cost and accelerating our path to 100% renewable energy. CleanPowerSF is committed to developing an IRP that meets regulatory requirements and prioritizes our program goals around affordability, clean energy investment, and rate and financial stability. Learn more about CleanPowerSF and the 2022 IRP here.