– 0 customers out in the US

December 2023 · 32th largest of 72

Windstorm

Dec 18, 2023. At the peak, 888,915 customers were without power, most of them in Maine, Massachusetts, Connecticut.

Windstorm
Customers out at the peak 888,915 Dec 18, 2023, 2:00 PM
Customer-hours lost 32M Every customer out, times every hour out
Counties with 10%+ out 59 of 215 counties affected
Above 600,000 out nationally 25 hours Dec 18, 2023, 10:00 AM onward
States affected 38 ME · MA · CT · NJ · NH
Hardest-hit county 100%out Hancock, ME · 31,079 customers

Hour by hour

The country, in the dark

Customers without power across the US, two days either side. The shaded band is the time the national total stayed above 600,000.

0 200k 400k 600k 800k 1.0M Dec 16Dec 17Dec 18Dec 19Dec 20Dec 21Dec 22 Peak 889k

By state

Where it hit

StatePeak outShareCounties 10%+
Maine 460,519 56% 16
Massachusetts 322,638 12% 6
Connecticut 98,625 6% 4
New Jersey 71,376 3% 1
New Hampshire 61,313 8% 5
California 39,815 2% 1
Rhode Island 37,314 8% 0
Virginia 32,814 2% 3
New York 28,558 2% 0
Michigan 24,522 3% 2
Tennessee 22,547 4% 1
North Carolina 21,305 2% 0
Maryland 20,696 4% 2
Pennsylvania 17,002 2% 1
Ohio 14,328 2% 1
South Dakota 10,181 8% 1
Texas 9,115 3% 3
Vermont 9,054 7% 2
Georgia 6,518 9% 2
Indiana 6,445 2% 0

State peaks add each county's own peak, which may fall at different hours, so they can exceed the true simultaneous total.

By county

The hardest hit