LOS ANGELES (Reuters) - California wildfires created an electricity "island" of San Diego County on Wednesday as one major power transmission link to the U.S. West grid was shut and the other flickering on and off, said San Diego Gas & Electric Co.
This makes the San Diego area susceptible to major blackouts unless customers conserve power, said Michael Niggli, chief operating officer of SDG&E.
San Diego Mayor Jerry Sanders implored residents to cut power use.
"You've got to conserve today. You have no choice," Sanders said.
About 20,000 homes and businesses were without power late Wednesday morning, down from 33,000 on Tuesday, SDG&E spokeswoman Rachel Laing said.
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