LOS ANGELES (KABC) -- The manager of California's power grid extended a statewide Flex Alert to Saturday, asking residents and businesses to cut back on power usage to prevent strain on the system.

LOS ANGELES (KABC) -- The manager of California's power grid has issued a statewide Flex Alert for Wednesday and Thursday, asking residents and businesses to cut back on power usage to prevent strain ...

FRESNO, Calif. (KFSN) -- As the brunt of Central California's heat wave moves in on Thursday, Cal ISO has issued a Flex Alert, asking Californians to conserve energy to avoid overloading the grid.

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SAN FRANCISCO (KGO) -- Owners of electric vehicles are being asked to avoid charging their cars during the ongoing Flex Alert Thursday and Friday to avoid putting added pressure on the grid. The Flex ...

FRESNO, Calif. (KFSN) -- As Central California reaches the peak of its heat wave Tuesday, the California Independent System Operator (ISO) has issued a Flex Alert, asking Californians to conserve ...

Summer heatwaves can strain California’s electricity supply, prompting energy emergency notifications to appear across highway signs and social media. The California Independent System Operator, which ...

Californians responded to pleas from the state’s power grid operator to conserve energy usage Saturday after a fire in southern Oregon tripped interstate transmission lines, siphoning a “significant” ...