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JUST IN: California Attorney General Announces Lawsuit Against President Trump's Border Wall

Californians Urged To Conserve Power Again

Video by Katie Euphrat

Warm temperatures are expected to stick around through next week. KPBS reporter Susan Murphy says the excessive heat has California's power grid operators urging people to conserve energy, calling another flex alert for Tuesday. You can also escape the heat at more than a hundred "cool zones" at libraries and community centers.

Operators of California's electricity grid have declared a Flex Alert for Tuesday to encourage conservation as inland regions continue to swelter in high heat.

The California Independent System Operator said Monday that the forecast peak demand is 47,500 megawatts and conservation will be critical.

A Flex Alert was also called on Friday and Cal-ISO says consumers reduced demand by nearly 1,000 megawatts, equal to the output of two large power plants.

The National Weather Service has issued excessive-heat warnings for the central and southern San Joaquin Valley and from Santa Barbara County through southeastern California.

A wide area of mountains and adjacent deserts in the inland region east of Los Angeles is under a flash-flood watch because of very moist and unstable conditions that will produce afternoon thunderstorms.

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