– 0 customers out in the US
December 2025 · 56th largest of 72
Windstorm
Dec 17, 2025. At the peak, 713,121 customers were without power, most of them in Washington, Oregon, Montana.
Windstorm Customers out at the peak 713,121 Dec 17, 2025, 9:00 AM
Customer-hours lost 16M Every customer out, times every hour out
Counties with 10%+ out 94 of 161 counties affected
Above 600,000 out nationally 7.0 hours Dec 17, 2025, 6:00 AM onward
States affected 30 WA · OR · MT · ID · CO
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%+ |
|---|---|---|---|
| Washington | 462,161 | 13% | 18 |
| Oregon | 243,065 | 15% | 11 |
| Montana | 122,867 | 24% | 25 |
| Idaho | 95,398 | 31% | 17 |
| Colorado | 86,841 | 10% | 2 |
| California | 23,418 | 4% | 1 |
| Wyoming | 9,952 | 17% | 4 |
| South Carolina | 9,878 | 6% | 1 |
| Florida | 8,928 | 3% | 0 |
| Missouri | 5,917 | 3% | 2 |
| Ohio | 3,640 | 3% | 0 |
| New Jersey | 3,254 | 2% | 0 |
| Louisiana | 2,938 | 17% | 1 |
| Indiana | 2,749 | 4% | 1 |
| North Carolina | 2,496 | 9% | 1 |
| Nevada | 2,303 | 8% | 0 |
| Hawaii | 2,157 | 6% | 0 |
| Kentucky | 1,991 | 10% | 1 |
| South Dakota | 1,896 | 3% | 1 |
| Georgia | 1,646 | 13% | 2 |
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
- Clatsop, OR 100%
- Park, MT 100%
- Shoshone, ID 100%
- Hood River, OR 100%
- Park, CO 100%
- Valley, ID 100%
- Jefferson, MT 100%
- Benewah, ID 100%
- Blaine, MT 100%
- Mineral, MT 100%
- Pondera, MT 100%
- Phillips, MT 100%
- Sanders, MT 94%
- Hill, MT 89%
- Crook, WY 89%
- Chouteau, MT 92%