– 0 customers out in the US
July 2023 · 54th largest of 72
Thunderstorms
Jul 29, 2023. At the peak, 753,771 customers were without power, most of them in Virginia, Maryland, Missouri.
Thunderstorms Customers out at the peak 753,771 Jul 29, 2023, 8:00 PM
Customer-hours lost 6.9M Every customer out, times every hour out
Counties with 10%+ out 100 of 306 counties affected
Above 600,000 out nationally 4.0 hours Jul 29, 2023, 6:00 PM onward
States affected 42 VA · MD · MO · IL · 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%+ |
|---|---|---|---|
| Virginia | 157,937 | 8% | 15 |
| Maryland | 144,616 | 7% | 4 |
| Missouri | 132,076 | 12% | 16 |
| Illinois | 69,618 | 10% | 13 |
| Tennessee | 68,042 | 5% | 6 |
| Indiana | 43,938 | 3% | 5 |
| North Carolina | 43,298 | 5% | 5 |
| New Jersey | 35,216 | 3% | 0 |
| New York | 28,303 | 3% | 1 |
| Ohio | 27,045 | 3% | 1 |
| Kentucky | 24,379 | 8% | 8 |
| Georgia | 20,796 | 4% | 5 |
| Pennsylvania | 17,359 | 2% | 0 |
| District of Columbia | 15,831 | 5% | 0 |
| Connecticut | 14,174 | 2% | 0 |
| California | 13,663 | 2% | 1 |
| Florida | 13,238 | 3% | 1 |
| South Carolina | 11,760 | 5% | 1 |
| Massachusetts | 11,494 | 3% | 0 |
| Washington | 11,481 | 6% | 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
The hardest hit
- Lee, VA 78%
- Benewah, ID 68%
- St. Louis, MO 58%
- Perry, IL 52%
- Marion, IL 50%
- Lipscomb, TX 72%
- Rabun, GA 37%
- Rio Grande, CO 36%
- Arlington, VA 31%
- Mathews, VA 43%
- Fentress, TN 30%
- Randolph, IL 29%
- Stewart, TN 33%
- Charles, MD 27%
- Wise, VA 27%
- Alexandria, VA 26%