– 0 customers out in the US
March 2023 · 45th largest of 72
Thunderstorms
Mar 25, 2023. At the peak, 822,549 customers were without power, most of them in Ohio, Pennsylvania, Michigan.
Thunderstorms Customers out at the peak 822,549 Mar 25, 2023, 6:00 PM
Customer-hours lost 15M Every customer out, times every hour out
Counties with 10%+ out 109 of 238 counties affected
Above 600,000 out nationally 9.0 hours Mar 25, 2023, 4:00 PM onward
States affected 28 OH · PA · MI · WV · TN
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%+ |
|---|---|---|---|
| Ohio | 498,239 | 10% | 33 |
| Pennsylvania | 161,756 | 10% | 12 |
| Michigan | 110,494 | 5% | 3 |
| West Virginia | 94,458 | 15% | 21 |
| Tennessee | 71,706 | 7% | 6 |
| Kentucky | 39,376 | 10% | 15 |
| New York | 34,583 | 3% | 1 |
| Alabama | 27,513 | 37% | 1 |
| Virginia | 12,992 | 8% | 4 |
| Georgia | 12,619 | 4% | 2 |
| Oregon | 11,038 | 9% | 0 |
| Iowa | 10,973 | 9% | 1 |
| North Carolina | 6,582 | 8% | 3 |
| Indiana | 5,928 | 6% | 3 |
| Illinois | 5,464 | 4% | 1 |
| Massachusetts | 5,079 | 1% | 0 |
| Wisconsin | 4,902 | 4% | 0 |
| Maine | 4,617 | 2% | 0 |
| New Jersey | 3,926 | 1% | 0 |
| Arkansas | 3,537 | 2% | 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
- Stewart, TN 88%
- Forest, PA 82%
- Tyler, WV 67%
- Trumbull, OH 61%
- Crawford, PA 61%
- Mercer, PA 54%
- Lauderdale, AL 53%
- Hocking, OH 52%
- Gallia, OH 48%
- Morgan, OH 45%
- Wayne, WV 40%
- Roane, WV 36%
- Jackson, WV 36%
- Pulaski, VA 33%
- Wetzel, WV 33%
- Ritchie, WV 36%