Snake River Dams

Water moves through a spillway of the Lower Granite Dam on the Snake River in 2018 near Almota, Wash.

 ASSOCIATED PRESS

Hydropower generated for electricity from Oregon and Washington dams fell to historically low levels last year, and experts expect it could drop further by year’s end.

Officials at the U.S. Energy Information Administration recently published data showing that hydropower generation in the Northwest between Oct. 1, 2022 and Sept. 30, 2023 dropped to a 22-year low.

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