SAN DIEGO (KGTV) -- California’s state electric operator issued a flex alert over the weekend as temperatures climb.
According to the California Independent System Operator, the flex alert goes into effect Saturday, September 5, and lasts through Monday, September 7.
The operator asked customers statewide to conserve energy from 3 p.m. to 9 p.m. At 6:30 p.m., CAISO declared a Stage 2 emergency and warned of possible rotating power outages.
The guidance comes as an excessive heat warning was issued for large swaths of San Diego County over the weekend.
As of Saturday morning, the National Weather Service said temperatures throughout the county could reach as high as 122, with coastal temperatures in some areas reaching 99 degrees.
Meanwhile, a red flag warning was issued for San Diego County’s inland valleys and mountains from 10 a.m. Saturday through 6 p.m. Sunday.
The agency says winds will top out around 15 to 20 miles per hour with gusts as high as 25 to 35 miles per hour.