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Los Angeles (CNN) An angry California Gov. Gavin Newsom slammed the state's largest utility over its power shutoffs, saying they're the result of years of mismanagement and greed.

California on Wednesday to prevent wildfires caused by high winds downing live power equipment -- a process the utility had Pacific Gas & Electric intentionally cut power to almost 800,000 customers in NorthernCalifornia on Wednesday to prevent wildfires caused by high winds downing live power equipment -- a process the utility had warned they'd be more aggressive about this year. While the company has since restored power for many affected areas, about 84,000 remain without electricity.

"This is not ... a climate change story as much as a story about greed and mismanagement over the course of decades," Newsom said. "Neglect, a desire to advance not public safety but profits."

Students walk back into class after a recess at a school in San Jose, California. They relied on sunlight after a Pacific Gas & Electric power shutdown turned out the lights.

The same winds will affect Southern California, too

Meanwhile, the same powerful winds are moving into Southern California, where a local utility company has started turning off the lights for thousands of people. Southern California Edison cut power to almost 24,000 customers as winds picked up in the region Thursday.

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