Thunderstorms

Aug 7, 2023. At the peak, 1,082,217 customers were without power, most of them in North Carolina, Georgia, Pennsylvania.

Thunderstorms

Customers out at the peak 1,082,217 Aug 7, 2023, 8:00 PM

Customer-hours lost 13M Every customer out, times every hour out

Counties with 10%+ out 118 of 347 counties affected

Above 600,000 out nationally 7.0 hours Aug 7, 2023, 6:00 PM onward

States affected 38 NC · GA · PA · TN · MD

Hardest-hit county 100%out Beaverhead, MT · 3,612 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%+
North Carolina	338,303	10%	19
Georgia	262,803	8%	16
Pennsylvania	210,234	7%	6
Tennessee	177,724	16%	15
Maryland	135,535	9%	4
Virginia	100,258	7%	11
South Carolina	57,146	3%	5
Alabama	38,840	5%	4
West Virginia	37,411	9%	13
Ohio	25,222	6%	1
California	25,083	3%	0
New York	23,395	4%	2
Delaware	23,275	12%	1
New Mexico	21,900	24%	2
New Jersey	21,666	3%	0
Texas	13,100	2%	1
Kentucky	11,165	14%	2
Arkansas	9,454	7%	3
Florida	9,001	2%	0
Oklahoma	6,828	4%	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