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Tennessee Valley Authority's energy comes from nuclear, coal, natural gas, hydroelectric, and biomass. Nuclear is the largest source of electricity, providing 46% of Tennessee Valley Authority's energy. Coal is the second largest source, making up 23%. Natural Gas provides 17% of Tennessee Valley Authority's electricity. Hydroelectric provides 13% of Tennessee Valley Authority's electricity. Biomass provides 1% of Tennessee Valley Authority's electricity.
46%
Nuclear
23%
Coal
17%
Natural Gas
13%
Hydroelectric
1%
Biomass