Thunderstorms

Jul 15, 2024. At the peak, 858,970 customers were without power, most of them in Illinois, New York, Pennsylvania.

Thunderstorms

Customers out at the peak 858,970 Jul 16, 2024, 12:00 AM

Customer-hours lost 22M Every customer out, times every hour out

Counties with 10%+ out 158 of 453 counties affected

Above 600,000 out nationally 26 hours Jul 15, 2024, 10:00 PM onward

States affected 48 IL · NY · PA · IN · IA

Hardest-hit county 100%out Schuyler, NY · 4,852 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%+
Illinois	409,087	9%	24
New York	262,073	11%	24
Pennsylvania	254,164	9%	13
Indiana	182,041	9%	9
Iowa	67,385	9%	8
New Jersey	64,609	3%	2
Maryland	49,343	4%	1
Georgia	47,351	4%	10
Virginia	43,444	6%	5
California	41,503	3%	2
Oregon	40,367	4%	4
Massachusetts	39,509	2%	0
Michigan	37,981	5%	4
North Carolina	37,703	3%	4
Ohio	34,646	3%	2
Missouri	31,412	5%	5
New Hampshire	29,727	8%	2
Florida	26,431	2%	1
South Carolina	22,888	3%	1
Kansas	22,130	4%	3

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

By county