New Hampshire averaged 1.26 times the US outage time per person
That ranks 9 of 50 states and DC, where 1 has the most. October and December made up 44% of outage time. Records run from 2015 to 2023, and some counties start later.
Carroll County had the most outage time per resident of 10 rated counties.
Counties ranked by outage time
| Rank | County | Major outages per year | Longest (hours) | Times US rate |
|---|---|---|---|---|
| 1 | Carroll County | 3.2 | 100 | 2.59 |
| 2 | Coos County | 2.2 | 114 | 2.20 |
| 3 | Belknap County | 2.9 | 206 | 2.16 |
| 4 | Sullivan County | 3.4 | 90 | 2.15 |
| 5 | Cheshire County | 4.4 | 81 | 1.62 |
| 6 | Grafton County | 3.7 | 112 | 1.38 |
| 7 | Merrimack County | 3.3 | 115 | 1.31 |
| 8 | Rockingham County | 4.0 | 116 | 1.18 |
| 9 | Strafford County | 2.4 | 111 | 1.15 |
| 10 | Hillsborough County | 2.9 | 95 | 0.80 |
Rank uses outage time per resident. Times US rate compares each county with the national average.
When outages hit New Hampshire
Share of the state's customer-hours by month.
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