Seattle City Light said power has been restored to almost all affected by about 5 p.m.
Power has been restored to almost all of the 22,000 customers in parts of Ballard, Queen Anne and Fremont who had been affected by an outage earlier Monday.
The outage started at about 2:42 p.m., said Hernann Ambion, a spokesman with Seattle City Light.
About two hours later, Seattle City Light tweeted that power had been restored to all but 15 customers.
Seattle City Light does not yet know the cause of the outage, Ambion said Monday evening.
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The outage comes about a week after 20,000 North Seattle customers lost power.
That Jan. 8 outage, which went on for about three hours and was caused by equipment failure at the university substation, affected parts of Wallingford, Fremont, Montlake, Laurelhurst, Eastlake and Capitol Hill. It also knocked out power to the University of Washington’s Alaska Airlines Arena and forced the delay of nationally televised UW women’s basketball game.