Vermont Power Outage Season
When outages happen most in Vermont, and what to expect.
November is historically Vermont's busiest month for recorded power outages, part of a fall season (September–November) that accounts for about 30% of all recorded outages statewide, averaging 2.9 hours per event. 5 of Vermont's 14 tracked counties currently carry a Reliability Grade of F.
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Vermont outages by month
Total recorded events and average duration per event, summed across every tracked county in Vermont.
Peak season insight
Vermont's outage season runs September–November, accounting for 30% of all recorded outages. November has the highest frequency.
Month-by-month data table
| Month | Events | Avg duration |
|---|---|---|
| January | 630 | 3.4 hrs |
| February | 603 | 2.4 hrs |
| March | 849 | 2.9 hrs |
| April | 881 | 3.2 hrs |
| May | 869 | 2.8 hrs |
| June | 1,183 | 1.8 hrs |
| July | 1,274 | 2.6 hrs |
| August | 1,021 | 2.7 hrs |
| September | 769 | 2.2 hrs |
| October | 892 | 3.2 hrs |
| November | 1,887 | 2.7 hrs |
| December | 1,054 | 5.9 hrs |
This month in Vermont
October has historically recorded 892 outage events across Vermont, below the state's typical monthly average. Outages that start in October have averaged 3.2 hours.
Main causes by season
Named storms behind Vermont's worst recorded outages, from the NOAA Storm Events Database.
Winter (December–February)
- Winter Storm
- Winter Weather
- High Wind
- Strong Wind
Spring (March–May)
- High Wind
- Winter Storm
- Thunderstorm Wind
- Winter Weather
Summer (June–August)
- Tropical Storm Isaias
- Flash Flood
- Thunderstorm Wind
- Hurricane Debby
Fall (September–November)
- Flash Flood
- Tropical Storm Philippe
- Strong Wind
- Cold/Wind Chill
- Flood
Vermont's worst outage events on record
The five largest outages in Vermont by duration and customers affected.
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 14, 2023 | 130 hrs | 15,904 (82%) | Winter Storm |
| Dec 16, 2022 | 95 hrs | 21,318 (56%) | Winter Storm |
| Aug 9, 2024 | 73 hrs | 18,305 (16%) | Hurricane Debby |
| Nov 1, 2019 | 76 hrs | 14,012 (72%) | Strong Wind |
| Oct 30, 2017 | 47 hrs | 21,446 (18%) | Tropical Storm Philippe |
Highest-risk counties in Vermont
Lowest reliability percentile among Vermont's tracked counties.
| County | Grade | National percentile |
|---|---|---|
| Windham County | F | 2nd |
| Orange County | F | 7th |
| Essex County | F | 9th |
| Windsor County | F | 11th |
| Addison County | F | 15th |
Live weather alerts for Vermont
There are no active National Weather Service alerts for Vermont right now.
These live alerts come from the National Weather Service. They are public-safety information, not an outage prediction.
Vermont power outage FAQ
When do power outages happen most in Vermont?
November is historically the busiest single month for recorded outages in Vermont, and Fall (September–November) accounts for about 30% of all recorded outages across the state.
How long do power outages in Vermont typically last?
Across Vermont's tracked counties, the average recorded outage lasts about 2.9 hours, though individual events -- especially named storms -- can run much longer.
Which counties in Vermont have the highest outage risk?
Windham County, Orange County, Essex County, Windsor County, Addison County currently rank lowest for reliability in Vermont. See each county's page for its full history.
Does this page predict a power outage in Vermont?
No. It describes patterns in recorded county-level outage history, not a guaranteed future event. Check the live National Weather Service alerts below for current conditions.
Prepare for Vermont's outage season
Sized for Vermont's recorded outage frequency and duration.
