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Flex Alert issued for hottest days of California heat wave

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SAN DIEGO (KGTV) - Californians are asked to conserve power this week during the hottest days of the heat wave.

The California Independent System Operator Corporation issued a statewide Flex Alert from 5 p.m. to 9 p.m. Tuesday and Wednesday.

Customers are asked to turn off unnecessary lights, avoid using major appliances, and set air conditioners to 78 degrees or higher.

The ISO said the high temperatures, along with reduced electricity imports, tight natural gas supplies, and high wildfire risk led to the Flex Alert demand.

All possible resources will be available to serve the demand but conservation is needed to avoid rotating power outage, ISO officials said.

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Friday

10/24/2025

Sunny

78° / 53°

2%

Saturday

10/25/2025

Partly Cloudy

76° / 55°

3%

Sunday

10/26/2025

Mostly Sunny

73° / 53°

6%

Monday

10/27/2025

Partly Cloudy

71° / 50°

5%

Tuesday

10/28/2025

Sunny

77° / 52°

4%

Wednesday

10/29/2025

Sunny

81° / 54°

1%

Thursday

10/30/2025

Partly Cloudy

80° / 54°

1%

Friday

10/31/2025

Sunny

78° / 54°

1%