Power outages in Sumas, WA

Live outages for Sumas and the surrounding area, updated every 10 minutes. Sumas has 1,672 residents.

Right now

No live outage data for Sumas yet.

Outage map

Outage locations not published
SumasWhatcom CountyPuget Sound Energy publishes totals only, not outage locations.
iSome utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Outage history in Whatcom County, which includes Sumas

2014–2025 record

Whatcom County averaged 44.3 significant outages a year in 2023–2025, more than most Washington counties.

In the 12 months to December 2025, there were 43. Half were over within 1.5 hours; the longest lasted 2.5 days, starting January 2, 2025.

The largest on record began August 29, 2015, with 54,372 customers out at once.

44.3significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
4.6 dayslongest on record (August 2015)
54,372most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
August 29, 201554,3724.6 days1,648,714
March 10, 201622,8781.8 days337,834
October 14, 201617,68735 hours118,396
December 29, 201716,5883.7 days299,991
September 17, 202115,7742.3 days231,184

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

Food safety

  • 0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
  • 4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
  • 24 hA half-full freezer holds about 24 hours if kept closed.
  • 48 hA full freezer holds about 48 hours.

Generators, heat and cold

  • Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
  • Use a battery-powered carbon monoxide alarm.
  • Never heat your home with a gas stove or oven.