Massachusetts averaged 0.88 times the US outage time per person
That ranks 24 of 50 states and DC, where 1 has the most. March and October made up 59% of outage time. Records run from 2015 to 2023, and some counties start later.
Plymouth County had the most outage time per resident of 12 rated counties.
Counties ranked by outage time
| Rank | County | Major outages per year | Longest (hours) | Times US rate |
|---|---|---|---|---|
| 1 | Plymouth County | 3.4 | 80 | 2.18 |
| 2 | Dukes County | 1.1 | 57 | 1.87 |
| 3 | Essex County | 2.8 | 102 | 0.93 |
| 4 | Franklin County | 2.7 | 98 | 0.91 |
| 5 | Norfolk County | 2.4 | 86 | 0.79 |
| 6 | Berkshire County | 3.0 | 77 | 0.76 |
| 7 | Bristol County | 3.1 | 80 | 0.75 |
| 8 | Worcester County | 2.9 | 90 | 0.68 |
| 9 | Hampden County | 1.4 | 98 | 0.67 |
| 10 | Middlesex County | 1.6 | 100 | 0.57 |
| 11 | Hampshire County | 1.6 | 82 | 0.52 |
| 12 | Suffolk County | 0.6 | 58 | 0.29 |
Rank uses outage time per resident. Times US rate compares each county with the national average.
When outages hit Massachusetts
Share of the state's customer-hours by month.
0%
10%
20%
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JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Not rated
These counties have short histories, very small populations, or customer counts that look too high for the population.
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