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Flex Alert issued Wednesday for all Californians due to predicted heat, high energy demands

The Flex Alert will be in effect from 4 to 9 p.m. Wednesday for the entire state according to the California Independent System Operator.
Credit: Flex Alert

SAN DIEGO — With above-normal temperatures in the forecast, particularly in Northern California, the manager of the state's power grid issued a Flex Alert that will take effect tomorrow afternoon, calling for voluntary electricity conservation.

According to the California Independent System Operator, the Flex Alert will be in effect from 4 to 9 p.m. Wednesday "due to predicted high energy demand and tight supplies across the West."

Cal-ISO specifically cited high temperatures in the forecast in interior sections of Northern California.

According to the National Weather Service, Southern California will also see higher-than-usual temperatures through the week.

"Strong high pressure aloft will continue to build over the middle United States, and push into the west through Thursday," according to the NWS. "This will bring modest warming and drying for the rest of the week, peaking Wednesday and Thursday. Expect high temperatures between 90 and 100 common in the valleys and warmer mountains, and minimum humidities between 15 and 30 percent. The Antelope Valley will be slightly warmer and drier."

Customers are encouraged to do the following during the Flex Alert:

  • Set thermostats to 78 degrees or higher, if your health permits
  • Avoid using major appliances, like dishwashers and clothes washers and dryers
  • Turn off all unnecessary lights

To get prepared before the Flex Alert, people are encouraged to pre-cool their home, use major appliances before the alert goes into effect, close their window coverings, and charge their electronic devices.

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