Power Out Map
– 0% of Island out 0 customers out in Washington

Power outage history

Island County Washington

13hours

without power for the average customer in a typical year, 2018–2025

3rd most of 31 in Washington 2.0× the national median

Worst outage on record Nov 5, 2022 42% of customers out · 90% back in 3.2 days
Hours without power, average customer per year 13h / yr State average 5.3 h · national median 6.6 h
Major outages a year 2.0 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 14hours Median across major outages, from the peak
Longest single outage 5.3days Nov 4, 2022, over 1% of customers out
Outage hours on storm days – Share falling on days with a NOAA storm report here
Worst year 2021 33 hours without power, average customer
Electricity customers 87,196 ORNL customer model · 8 well-covered years

Every day since 2015

Eleven years, one night at a time

Each cell is a day. The brighter it is, the larger the share of Island's customers who were without power at that day's worst moment.

20152016201720182019202020212022202320242025
0%100% of customers out

Year by year

Hours in the dark, per customer

2021 was the worst well-recorded year, at 33 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Island, hours without power per customer

IslandUS median countyWashington average
0 10 20 30 40 9.7 ’15 3.0 ’16 3.2 ’17 3.3 ’18 1.3 ’19 10 ’20 33 ’21 26 ’22 2.4 ’23 11 ’24 18 ’25 US 6.6 WA 5.3

The record

The biggest outages since 2015

Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.

Began Storm Peak out Share Lasted 90% restored Customer-hours
Nov 4, 2022 No storm report 36,879 42% 5.3 d 3.2 d 2.0M
Dec 17, 2025 No storm report 47,704 55% 2.9 d 2.6 d 1.3M
Nov 15, 2021 No storm report 39,506 45% 2.6 d 2.1 d 1.1M
Jan 13, 2021 No storm report 48,278 55% 2.8 d 31 h 1.1M
Nov 13, 2020 No storm report 48,356 55% 20 h 13 h 489k
Nov 17, 2015 No storm report 15,397 18% 2.8 d 2.1 d 471k
Dec 14, 2024 No storm report 41,350 47% 32 h 15 h 441k
Aug 29, 2015 No storm report 10,816 12% 2.6 d 2.2 d 293k
Nov 19, 2024 No storm report 15,789 18% 47 h 26 h 221k
Jan 31, 2020 No storm report 24,013 28% 41 h 16 h 216k
Sep 17, 2021 No storm report 22,186 25% 27 h 14 h 192k
Dec 8, 2021 No storm report 20,769 24% 14 h 13 h 188k

After the peak

How fast the lights come back

Each line is one major outage, from its peak. The amber line is the typical path.

0% 25% 50% 75% 100% peak+24h+48h+72h+96h half back by +14h 90% by +26h

When it happens

The outage clock

Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.

00061218 Jan inside

What was happening

Weather behind the outages

Each outage is matched to NOAA storm reports for Island from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 100%

Who keeps the lights on

Utilities serving Island

As each utility reports to the Energy Information Administration for its whole Washington territory, not this county alone. Outage minutes include major storm days.

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Puget Sound Energy Inc Investor Owned 580 178 1.60 17.0 1.1M
PUD No 1 of Snohomish County Political Subdivision 343 149 1.74 12.1 350k

EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.

Next door

Neighbouring counties

Across Washington

Where it is darkest

Hours / yr64+

All Washington counties →

About these numbers

Notes

Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 87,196 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →