Winter Storm Uri

4,407,330without power at peak
743counties affected
15states

A severe winter storm caused catastrophic power grid failure across Texas, leaving millions without power in freezing temperatures. At peak (February 15–18, 2021), 4,407,330 customers lost power across 15 states.

Peak Outages by State

State Customers Out Tracked % Out
Texas 229 counties 3,854,603
15,775,156 24.4%
Kentucky 56 counties 134,085
2,430,546 5.5%
Louisiana 44 counties 113,270
2,615,623 4.3%
West Virginia 38 counties 93,826
1,108,251 8.5%
Virginia 72 counties 72,763
4,405,666 1.7%
Mississippi 44 counties 34,753
1,651,910 2.1%
Ohio 28 counties 21,911
6,101,787 0.4%
Kansas 41 counties 20,316
1,587,901 1.3%
Missouri 28 counties 17,553
3,446,900 0.5%
Arkansas 47 counties 17,275
1,776,811 1.0%
Oklahoma 41 counties 10,833
2,224,699 0.5%
Tennessee 26 counties 9,124
3,681,219 0.2%
Alabama 28 counties 6,663
2,875,056 0.2%
Indiana 13 counties 312
3,410,764 <0.1%
Nebraska 8 counties 43
1,069,970 <0.1%

More Historical Outages

⚡ Live Outage Map Real-time U.S. outages 🌀 Hurricane Irma 10,012,819 without power 🌀 Hurricane Helene 4,719,118 without power 🌀 Hurricane Ian 2,499,250 without power 🌀 Hurricane Matthew 2,139,789 without power 🌀 Hurricane Michael 1,525,894 without power