Dukes County Power Outage History
2014–2025 · Massachusetts
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 2, 2018 | 57 hrs | 15,182 (42%) | High Wind |
| Oct 27, 2021 | 21 hrs | 13,854 (38%) | High Wind |
| Oct 27, 2021 | 13 hrs | 13,414 (37%) | High Wind |
| Aug 11, 2015 | 1 hrs | 12,988 (36%) | Unnamed event |
| Jan 27, 2022 | 1 hrs | 12,987 (36%) | Blizzard |
Over the 12 years from 2014 to 2025, Dukes County recorded 230 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Dukes County started March 2, 2018 (High Wind), lasting 57 hours and leaving up to 15,182 customers without power (42% of the county) at its peak.
January has historically been the worst month for outages in Dukes County, with 24 events recorded during that month across the dataset.
Based on this history, Dukes County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Dukes County's outage profile
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Similar counties in Massachusetts
Counties with the closest reliability grade and national percentile to Dukes County.
| County | Grade | National percentile |
|---|---|---|
| Middlesex County | B | 64th |
| Norfolk County | B | 73rd |
| Bristol County | B | 78th |
| Worcester County | C | 55th |
| Hampden County | B | 79th |
FAQ
How often does power go out in Dukes County?
Between 2014 and 2025, Dukes County recorded 230 outage events, averaging 3.0 hours each.
What is Dukes County's reliability grade?
Dukes County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Dukes County?
The worst outage on record started March 2, 2018 (High Wind), lasting 57 hours and affecting up to 15,182 customers.