Hurricane Irma

10,012,819without power at peak
314counties affected
5states

A Category 4 hurricane struck the Florida Keys and swept up the entire state of Florida, one of the largest mass power outages in U.S. history. At peak (September 10–12, 2017), 10,012,819 customers lost power across 5 states.

Peak Outages by State

State Customers Out Tracked % Out
Florida 67 counties 8,841,202
12,834,396 68.9%
Georgia 152 counties 963,920
5,785,236 16.7%
South Carolina 43 counties 202,300
3,270,844 6.2%
North Carolina 39 counties 3,200
5,560,442 <0.1%
Alabama 13 counties 2,197
2,875,056 <0.1%

More Historical Outages

⚡ Live Outage Map Real-time U.S. outages 🌀 Hurricane Helene 4,719,118 without power ❄ Winter Storm Uri 4,407,330 without power 🌀 Hurricane Ian 2,499,250 without power 🌀 Hurricane Matthew 2,139,789 without power 🌀 Hurricane Michael 1,525,894 without power