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Utility Hydroelectric Generation by Size and County: 2020

Published by California Energy Commission | State of California | Metadata Last Checked: July 29, 2025 | Last Modified: 2023-06-15T16:13:03.000Z
Energy generation data and map are from the California Energy Commission and include utility scale power plants, with a nameplate capacity of 1MW or more. Small hydroelectric plants are designated as renewable energy sources. Large hydroelectric plants are classified as nonrenewable. Counties without symbols either did not have plants reporting data or had no utility-scale hydroelectric power generation. Data is for2020 and is current as of July 15, 2022. For more information, contact Rebecca Vail at (916) 477-0738 or John Hingtgen at (916) 510-9747.

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