From Seattle City Light:
Seattle City Light repair crews responded to a power outage affecting about 3,800 homes and businesses in the Beacon Hill- Rainier Valley area Monday afternoon.
The outage started about 3:40 p.m. The cause an equipment failure. An initial estimate for restoration of service was set for 7:30 p.m.
The general boundaries of the outage were S. Holly Street on the north; S. Norfolk Street on the south; Airport Way S on the west; and Lake Washington on the east.
Updates regarding this outage are available online at http://www.seattle.gov/light/sysstat .