Monthly power capacity of the Hoover Dam in the U.S. 2020-2022

Published by Lucía Fernández, Mar 9, 2023
The Hoover Dam had a power generation capacity of roughly 976 megawatts (MW) as of December 2022. The Hoover Dam has a nameplate capacity of some 2,080 megawatts (MW), but the severe drought in the Western United States has decreased how much power it can produce. Lake Mead fuels the Hoover Dam, but water levels there have plummeted over the last three years. In June 2022, water levels at Lake Mead had dropped to roughly 1,043 feet, which saw the Hoover Dam's generation capacity cut by roughly half - at around 1076 MW. The lowest point at which the Hoover Dam can produce power is approximately 950 feet.

Electricity generation capacity of the Hoover Dam in the United States from 2020 to 2022, by month (in megawatts)

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Release date

December 2022

Region

United States

Survey time period

Janaury 2020 to December 2022

Supplementary notes

This statistic has been compiled from multiple annual releases.

Due to changing Lake Mead elevations, Hoover’s generator capacity is adjusted based on estimated effective capacity and plant availability. The estimated effective capacity is based on projected Lake Mead elevations. Unit capacity tests will be performed as the lake elevation changes. This study reflects these changes in the projections.

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