Berkshire County Power Outage History
2014–2025 · Massachusetts
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 14, 2023 | 62 hrs | 25,030 (9%) | Winter Storm |
| Aug 4, 2020 | 77 hrs | 19,280 (7%) | Tropical Storm Isaias |
| May 19, 2015 | 2 hrs | 18,171 (6%) | Thunderstorm Wind |
| Oct 7, 2020 | 52 hrs | 16,708 (6%) | Thunderstorm Wind |
| Nov 26, 2014 | 56 hrs | 15,335 (5%) | Winter Storm |
Over the 12 years from 2014 to 2025, Berkshire County recorded 964 distinct power outage events, averaging 2.3 hours per event.
The single worst outage on record in Berkshire County started March 14, 2023 (Winter Storm), lasting 62 hours and leaving up to 25,030 customers without power (9% of the county) at its peak.
November has historically been the worst month for outages in Berkshire County, with 105 events recorded during that month across the dataset.
Based on this history, Berkshire County earns a Reliability Grade of A, placing it in the 89th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Berkshire County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Massachusetts
Counties with the closest reliability grade and national percentile to Berkshire County.
| County | Grade | National percentile |
|---|---|---|
| Hampshire County | A | 91st |
| Franklin County | A | 85th |
| Suffolk County | A | 96th |
| Hampden County | B | 79th |
| Bristol County | B | 78th |
FAQ
How often does power go out in Berkshire County?
Between 2014 and 2025, Berkshire County recorded 964 outage events, averaging 2.3 hours each.
What is Berkshire County's reliability grade?
Berkshire County has a Reliability Grade of A, in the 89th national percentile.
What was the worst power outage in Berkshire County?
The worst outage on record started March 14, 2023 (Winter Storm), lasting 62 hours and affecting up to 25,030 customers.