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SAN DIEGO — Within a few hours of California’s statewide Flex Alert going into effect Thursday evening, the manager of the state’s power grid called for more voluntary power conservation on Friday evening.

The first of the two alerts takes effect at 5 p.m. Thursday and continues until 10 p.m. Then Friday’s Flex Alert will take place from 6 to 9 p.m. Friday.

With temperatures soaring in San Diego and beyond, California is calling on residents statewide to reduce overall power demand and lower the risk of outages.

According to Cal-ISO, residents are urged to take steps prior to the alert taking effect, such as pre-cooling their homes, using major appliances and closing window coverings to preserve cool air indoors. Once the alert takes effect, residents should set their thermostats to 78 degrees or higher, avoid using major appliances and turn off all unnecessary lights.

FOX 5 headed out to East County Thursday evening to see how residents were handling the heat.

“We have the outdoor seating which makes people more comfortable but its a little cooler inside,” said Cato Hines with VINA Ramona Wines.

Rachel and Rusty, two Julian residents, said it had reached 104 degrees at their home that day.

“And do you guys have A/C?” we asked. “No, no,” they said laughing. “(Just) fans — a ton of fans.”