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Utility Hydroelectric Capacity by Size and County: 2023

Published by California Energy Commission | State of California | Catalog Last Checked: July 28, 2025 at 07:19 PM | Dataset Last Updated: May 20, 2025 at 08:59 PM
Energy generation data and map are from the California Energy Commissionfor all power plants that have a nameplate capacity of 1MW or more. Mapdepicts utility scale hydroelectric capacity, with large hydroelectric capacitybeing >30MW, and small hydroelectric capacity being ≤30MW. Counties withno symbols have no utility scale hydroelectric capacity. Data is from 2023 andis current as of May 29, 2024. Projection: NAD 1983 (2011) California (Teale)Albers (Meters). For more information, contact John Hingtgen at (916)510-9747 or Jessica Lin at (415) 990-8392.

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