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Utility Hydroelectric Capacity by Size and County: 2023

Published by California Energy Commission | State of California | Metadata Last Checked: July 09, 2025 | Last Modified: 2025-05-20T20:59:38.000Z
<div>Energy generation data and map are from the California Energy Commission</div><div>for all power plants that have a nameplate capacity of 1MW or more. Map</div><div>depicts utility scale hydroelectric capacity, with large hydroelectric capacity</div><div>being &gt;30MW, and small hydroelectric capacity being ≤30MW. Counties with</div><div>no symbols have no utility scale hydroelectric capacity. Data is from 2023 and</div><div>is current as of May 29, 2024. Projection: NAD 1983 (2011) California (Teale)</div><div>Albers (Meters). For more information, contact John Hingtgen at (916)</div><div>510-9747 or Jessica Lin at (415) 990-8392.</div>

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