Windstorm

Mar 3, 2023. At the peak, 1,552,749 customers were without power, most of them in Kentucky, Tennessee, Michigan.

Windstorm

Customers out at the peak 1,552,749 Mar 3, 2023, 9:00 PM

Customer-hours lost 50M Every customer out, times every hour out

Counties with 10%+ out 330 of 616 counties affected

Above 600,000 out nationally 32 hours Mar 3, 2023, 2:00 PM onward

States affected 31 KY · TN · MI · AL · OH

Hardest-hit county 100%out Piatt, IL · 6,148 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.

By state

State	Peak out	Share	Counties 10%+
Kentucky	654,422	28%	108
Tennessee	452,169	15%	40
Michigan	387,286	15%	11
Alabama	172,800	12%	16
Ohio	154,142	5%	12
Georgia	108,914	4%	15
Pennsylvania	99,091	6%	6
Indiana	97,341	6%	13
West Virginia	92,955	13%	24
New York	76,316	6%	3
North Carolina	65,143	4%	7
Mississippi	61,476	9%	18
Texas	61,451	5%	13
Illinois	49,161	7%	14
Virginia	33,215	7%	11
Maine	20,347	5%	1
Florida	18,232	2%	0
Missouri	17,212	4%	4
Louisiana	16,781	3%	5
South Carolina	13,181	3%	1

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

By county