San Diego has power!

SAN DIEGO (AP) – Crews have restored power to most areas of California, Arizona and Mexico, as the power company that caused the outage tries to figure out how it happened.

Electricity was restored in San Diego to all of San Diego Gas & Electric Co.'s 1.4 million household and business customers – the biggest block of people affected.

Mexico's electrical utility says the lights are also on for about 1.1 million customers, or about 97 percent of those who lost power. A few industrial clients were still without it.     

Power was also restored to all 56,000 customers in Yuma, Ariz.

Phoenix-based Arizona Public Service Co. says the outage happened during preventative maintenance on a piece of equipment called a capacitor, which helps regulate voltage.

A spokesman says it shouldn't have caused the outage.

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