Hydropower's future is clouded by droughts, floods and climate change – it's also essential to the US electric grid

By Caitlin Grady, Assistant Professor of Civil and Environmental Engineering and Research Associate in the Rock Ethics Institute, Penn State
Lauren Dennis, Ph.D. Student in Civil Engineering and Climate Science, Penn State

The water in Lake Powell, one of the nation’s largest reservoirs, has fallen so low amid the Western drought that federal officials are resorting to emergency measures to avoid shutting down hydroelectric power at the Glen Canyon Dam.

The Arizona dam, which provides electricity to seven states, isn’t the only U.S. hydropower plant in trouble.

The iconic Hoover Dam, also on the Colorado River, has reduced…

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