Mercer Island Power Outages
King County, Washington
updated 11m ago
Customers Out 0 in Mercer Island
Customers Tracked 1,152,952 King County
Outages Near You
See live outage activity within 10 miles of your location.
Mercer Island
25,282 Estimated Population
No active power outages are currently reported in Mercer Island, Washington. Mercer Island is in King County, and PowerOutage.us tracks 1 utility serving the area.
Outage History — Mercer Island
Over the last 90 days, PowerOutage.us has tracked 39 distinct power outages in Mercer Island, Washington. The most recent significant outage affected an estimated 366 customers on July 25, 2026. When outages occur, power is typically restored in about 6h 14m.
Avg Restoration Time
6h 14m
Most Recent Significant Outage
366 customers
July 25, 2026
Utilities Serving Mercer Island
Outage and customer figures are as reported for King County. A dash means the utility serves the city but reports no data for this county.