FOLSOM (CBS SF) — The California Independent System Operator has issued a Flex Alert for Northern California for Monday and Tuesday, and is asking consumers to reduce their energy use because of anticipated high demand.

The demand is expected to be especially high between noon and 7 p.m., when scorching temperatures will result in the increased use of air conditioners.

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Energy demand was expected to peak at about 48,300 megawatts around 4:30 p.m. Monday, and at roughly 47,808 megawatts on Tuesday, California ISO officials said. The ISO controls the state’s power grid.

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Updated information on energy use and supply is available at www.caiso.com.

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