By Elisabeth Smith

SACRAMENTO (CBS13) — An unexpected power outage left more than 5,200 SMUD customers without power Monday afternoon.

According to SMUD, the outage occurred at 3:30 p.m., affecting approximately 5,284 customers. The utility said the outage was not a “rolling outage,” but the cause has not yet been determined.

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Crews restored power to most of the affected customers by 5 p.m. Fewer than 30 customers were left without power by 5 p.m., and SMUD said the estimated restoration time is 9:35 p.m.

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You can check current power outages on their website. 

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This is a developing story.