How Long Do Power Outages Last? Average Duration by State
Data: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual. 51 jurisdictions ranked. Methodology on our data page.
In 2025, a typical U.S. power outage lasted about 3 hr 21 min from start to restoration (CAIDI), and the average customer had 1.34 sustained outages over the year (SAIFI), according to EIA. Outages lasted longest in Michigan (7 hr 9 min) and Nebraska (6 hr 51 min), and were shortest in Arizona (1 hr 18 min).
Outage duration and frequency by state (2025)
Sorted by average restoration time per interruption (CAIDI), including major events
| State | Avg. outage length | Outages / customer |
|---|---|---|
| Michigan | 7 hr 9 min | 1.42 |
| Nebraska | 6 hr 51 min | 1.32 |
| Missouri | 5 hr 40 min | 1.37 |
| West Virginia | 5 hr 29 min | 3.08 |
| Virginia | 5 hr 25 min | 2.35 |
| Pennsylvania | 4 hr 50 min | 1.42 |
| California | 4 hr 35 min | 1.30 |
| Indiana | 4 hr 33 min | 1.39 |
| Oregon | 4 hr 31 min | 1.12 |
| Wisconsin | 4 hr 28 min | 0.99 |
| Washington | 4 hr 24 min | 1.45 |
| Idaho | 4 hr 12 min | 1.16 |
| Arkansas | 3 hr 38 min | 2.17 |
| Montana | 3 hr 35 min | 1.33 |
| Kentucky | 3 hr 33 min | 1.86 |
| South Dakota | 3 hr 33 min | 1.33 |
| Colorado | 3 hr 32 min | 1.29 |
| Mississippi | 3 hr 30 min | 2.50 |
| Connecticut | 3 hr 19 min | 0.94 |
| Rhode Island | 3 hr 11 min | 0.96 |
| Maryland | 3 hr 7 min | 0.96 |
| Alaska | 3 hr 6 min | 3.02 |
| North Dakota | 2 hr 59 min | 1.19 |
| New York | 2 hr 56 min | 1.41 |
| Oklahoma | 2 hr 52 min | 1.72 |
| Illinois | 2 hr 47 min | 0.87 |
| Maine | 2 hr 42 min | 2.24 |
| Ohio | 2 hr 41 min | 1.27 |
| Iowa | 2 hr 41 min | 1.14 |
| District of Columbia | 2 hr 35 min | 0.32 |
| Minnesota | 2 hr 35 min | 1.18 |
| Wyoming | 2 hr 28 min | 1.51 |
| Kansas | 2 hr 27 min | 1.31 |
| Tennessee | 2 hr 27 min | 1.55 |
| Georgia | 2 hr 26 min | 1.84 |
| Alabama | 2 hr 21 min | 1.92 |
| North Carolina | 2 hr 21 min | 1.36 |
| New Jersey | 2 hr 19 min | 1.12 |
| Utah | 2 hr 15 min | 0.86 |
| New Mexico | 2 hr 15 min | 1.20 |
| New Hampshire | 2 hr 15 min | 1.12 |
| Massachusetts | 2 hr 14 min | 0.91 |
| Louisiana | 2 hr 3 min | 2.21 |
| Vermont | 2 hr 2 min | 2.06 |
| South Carolina | 2 hr 2 min | 1.26 |
| Texas | 2 hr | 1.76 |
| Nevada | 1 hr 54 min | 1.13 |
| Delaware | 1 hr 50 min | 0.94 |
| Hawaii | 1 hr 37 min | 3.45 |
| Florida | 1 hr 27 min | 0.84 |
| Arizona | 1 hr 18 min | 0.88 |
Source: EIA Electric Power Annual Table 11.2 (IEEE method, all events). CAIDI = SAIDI ÷ SAIFI. Major storms raise both duration and frequency.
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You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "How Long Do Power Outages Last? Average Duration by State." Accessed EIA 2025 data. https://poweroutagetracker.com/reports/average-power-outage-duration-by-state