Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Return to search results

Utility Hydroelectric Capacity by Size and County: 2023

Published by California Energy Commission | State of California | Metadata Last Checked: July 28, 2025 | Last Modified: 2025-05-20T20:59:38.000Z
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.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov