Solar Growth Cushions Colorado River Hydropower Declines

Solar Growth Cushions Colorado River Hydropower Declines

Hydropower output at Hoover Dam has decreased by about half since 2000 due to drought, with Lakes Mead and Powell approaching critical thresholds.

Utilities that receive federal hydropower from Colorado River dams are turning to solar power as a result.

Utilities are turning to solar power as hydropower generation would be severely curtailed or cease below critical thresholds.

In Arizona, officials are assessing water policies under rising temperatures, with the state considering an extension of its drought emergency declaration.

The decision was made in a Phoenix conference room in late May, where officials reviewed standard indicators such as minimal precipitation and low reservoirs.

Author's summary: Solar power helps offset declining hydropower output.

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