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California Faces Worst Drought Since 1895, Threatening Food And Power Supply

Drought conditions throughout the West resulted in lower hydroelectric generation in 2021 across the western region. Hydroelectric generation in 2021 was 48% below the 10-year (2011-2020) average in California. As a result, hydroelectric generation’s share of total summer generation falls from 15% in the Median case to 8% in the drought case.