– 0 customers out in the US
February 2023 · 24th largest of 72
Ice storm
Feb 22, 2023. At the peak, 1,081,991 customers were without power, most of them in Michigan, California, Illinois.
Ice storm Customers out at the peak 1,081,991 Feb 23, 2023, 12:00 PM
Customer-hours lost 69M Every customer out, times every hour out
Counties with 10%+ out 91 of 299 counties affected
Above 600,000 out nationally 2.6 days Feb 22, 2023, 9:00 PM onward
States affected 44 MI · CA · IL · WI · NY
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
Where it hit
| State | Peak out | Share | Counties 10%+ |
|---|---|---|---|
| Michigan | 888,504 | 29% | 15 |
| California | 247,328 | 3% | 12 |
| Illinois | 151,157 | 4% | 10 |
| Wisconsin | 80,360 | 22% | 5 |
| New York | 55,235 | 4% | 1 |
| Oregon | 34,313 | 5% | 2 |
| Arizona | 25,599 | 4% | 1 |
| Arkansas | 25,530 | 6% | 6 |
| New Mexico | 24,790 | 4% | 2 |
| Texas | 24,293 | 3% | 10 |
| Indiana | 23,863 | 10% | 3 |
| Florida | 22,772 | 3% | 0 |
| Washington | 21,402 | 6% | 1 |
| Louisiana | 21,033 | 4% | 2 |
| Georgia | 19,835 | 2% | 1 |
| New Jersey | 17,868 | 4% | 0 |
| Ohio | 14,556 | 3% | 0 |
| South Carolina | 13,698 | 6% | 0 |
| Tennessee | 13,376 | 5% | 3 |
| Pennsylvania | 13,253 | 3% | 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
The hardest hit
- Lake, CA 100%
- Mariposa, CA 100%
- Lenawee, MI 97%
- Fayette, IL 80%
- Monroe, MI 67%
- Del Norte, CA 63%
- Hillsdale, MI 58%
- Stephenson, IL 57%
- Tehama, CA 57%
- Van Buren, MI 54%
- Inyo, CA 53%
- Steuben, IN 53%
- Kalamazoo, MI 51%
- Jackson, MI 47%
- Lincoln, OR 47%
- LaSalle, LA 41%