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California Grid Facing Higher Risk of Outages as Heat Builds

  • Grid operator sees energy deficit of 2 to 4 gigawatts Monday
  • Conditions in multi-day heat ‘going to get much more intense’
A firefighter works during the Route Fire in Castaic, California, on Aug. 31.
A firefighter works during the Route Fire in Castaic, California, on Aug. 31.Photographer: Eric Thayer/Bloomberg
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California’s strained power grid is set to come under even more stress Monday because of a punishing heat wave, increasing the chance of blackouts.

The state’s grid operator forecasts an energy deficit of 2,000 to 4,000 megawatts on Monday “and the highest likelihood of rotating outages that we’ve seen so far,” said Elliot Mainzer, its chief executive officer.