Power outages in Vermont
In 2025, the average Vermont customer was without power for 4.4 hours (262.9 minutes, or 4 hours 23 minutes) over the year. That is slightly above the US median of 4.3 hours (258.7 minutes) across the 50 states compared.
Trend
Yearly outage time rose from 4.3 hours in 2020 to a peak of 16.1 hours in 2022, then fell to 12.4 hours in 2023 and 11.6 hours in 2024. In 2025 it dropped to 4.4 hours, close to the 2020 level.
Utilities in 2025
In 2025, Vermont Electric Cooperative had the lowest SAIDI at 4.2 hours (251.3 minutes). Green Mountain Power had the highest at 4.4 hours (264.6 minutes), and the gap between the two is small.
| Utility | Customers | Hours / yr | Interruptions |
|---|---|---|---|
| Green Mountain Power Corp | 276,985 | 4.4 | 1.8 |
| Vermont Electric Cooperative, Inc | 40,952 | 4.2 | 2.1 |
What this means for backup power
For everyday outages, enter 2.6 hours in the calculator, which is the average length of one interruption. To ride out a year like 2022, size for 16.1 hours, the total outage time that year.
FAQ
What does SAIDI mean for my home?
SAIDI is the total time the average customer is without power in a year. It is not the length of one outage. In Vermont in 2025 it was 4.4 hours.
How long does a typical outage last in Vermont?
One interruption lasts about 2.6 hours on average. For everyday backup planning, use that number in the calculator.
How many outages should I expect in a year?
In 2025, the average Vermont customer had about 1.7 interruptions. In 2022, the worst year in the data, the figure was 2.73 and total outage time reached 16.1 hours.
Utility pages
Source: U.S. EIA Form 861 Reliability file. Data snapshot 2026-11-05.