The California Independent System Operator issued a Flex Alert for Tuesday, and residents were urged to conserve electricity until 9 p.m. Southern California has been experiencing hot and humid ...

The California Independent System Operator, a not-for-profit public benefit corporation that manages the flow of electricity along California’s open-market wholesale power grid, has standardized on ...

NATOMAS – Another round of extreme heat is in the forecast this week, but will the hot temperatures stress California's power grid? In short, California ISO, which operates the grid, said no, but ...

KERN COUNTY, Calif. (KERO) — Due to the continuing heat, Kern County is facing another flex alert issued for Thursday this time until 10 p.m. In addition, California ISO is also planning another flex ...

Power grid operator maintained reliability despite historic heat and demand. During September’s record-setting heat wave, the California Independent System Operator (ISO) was able to keep electricity ...

LOS ANGELES -- There's good news for Californians sweating through this merciless heatwave. The state was able to conserve enough power on Monday to avoid any rolling blackouts. The California ...

California’s power grid operator said it did not ask consumers to conserve power on Friday despite declaring an energy emergency late Thursday as a heat wave lingered. The California Independent ...