Flex Alert California: Tracker shows pressure on power grid amid central California heatwave

FRESNO, Calif. (KFSN) — As central California reaches the peak of its heatwave on Tuesday, the California Independent System Operator (ISO) issued a flex alert urging Californians to conserve energy to avoid overloading the power grid.

The ISO oversees the state’s power grid and infrastructure. In the afternoon hours on hot days, when most people are running air conditioners and high-energy appliances, power consumption is at its highest, putting the greatest strain on California’s infrastructure.

The agency creates a real-time tracker that shows how close we are to that turning point.

The country’s available capacity is around 51,000 megawatts. A high of around 52,079 is forecast for Tuesday.

As of 3:30 p.m., demand was around 51,400 megawatts. The number is expected to continue rising as temperatures warm.

A screenshot shows demand versus total grid capacity on September 6, 2022 at 6:00 p.m.

A screenshot shows demand versus total grid capacity on September 6, 2022 at 6:00 p.m.

A screenshot shows demand versus total grid capacity on September 6, 2022 at 6:00 p.m.

See how current demand compares to our maximum capacity Cal ISO’s tracker.

When grid demand is expected to exceed capacity, the state sometimes triggers rolling blackouts to conserve energy, as in late summer 2020.

It’s supposed to stay hot until Friday.

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https://abc30.com/flex-alert-california-heat-wave-rolling-blackouts-ca/12205843/ Flex Alert California: Tracker shows pressure on power grid amid central California heatwave

Laura Coffey

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