Hurricane Isaias

At the peak, 3,799,607 customers were without power, most of them in New Jersey, New York, Connecticut.

Hurricane Isaias

Customers out at the peak 3,799,607 Aug 4, 2020, 8:00 PM

Customer-hours lost 209M Every customer out, times every hour out

Counties with 10%+ out 242 of 513 counties affected

Above 600,000 out nationally 4.5 days Aug 4, 2020, 7:00 AM onward

States affected 49 NJ · NY · CT · NC · VA

Hardest-hit county 100%out Windham, VT · 15,121 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%+
New Jersey	1,461,012	33%	21
New York	918,737	16%	13
Connecticut	745,801	44%	8
North Carolina	444,332	17%	35
Virginia	441,976	25%	43
Pennsylvania	423,103	14%	9
Massachusetts	268,192	11%	5
Rhode Island	145,827	29%	5
Maryland	122,617	11%	11
New Hampshire	103,630	14%	7
Maine	102,867	14%	9
Texas	83,216	4%	6
Delaware	70,431	14%	2
Georgia	44,416	4%	9
Florida	41,127	3%	1
California	39,693	3%	2
Vermont	26,956	10%	3
South Carolina	24,049	5%	1
Louisiana	21,596	3%	3
Alabama	19,636	5%	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