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Western States Ponder Regional Grid as Renewables Grow

/in , /by /Energywireby Jason Plautz

As temperatures on the West Coast soared into the triple digits in early September, power demand threatened to reach record levels — and utilities braced for grid problems. The California Independent System Operator (CAISO) warned of potential blackouts. Idaho Power Co., already hobbled by a pair of generator outages, prepared to cut power to some customers in Boise. Utilities in the desert Southwest expected surging demand to strain their grids.

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Hydropower Decline Adds to the Strain on Power Grids in Drought

/in , /by /NBC 4

After water levels at a California dam fell to historic lows this summer, the main hydropower plant it feeds was shut down. At the Hoover Dam in Nevada — one of the country’s biggest hydropower generators — production is down by 25%. If extreme drought persists, federal officials say a dam in Arizona could stop producing electricity in coming years.

Severe drought across the West drained reservoirs this year, slashing hydropower production and further stressing the region’s power grids. And as extreme weather becomes more common with climate change, grid operators are adapting to swings in hydropower generation.

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