Power outages in Dover, NH
Live outages for Dover and the surrounding area, updated every 10 minutes. Dover has 34,623 residents.
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No live outage data for Dover yet.
Outage map
DoverStrafford County
Outage history in Strafford County, which includes Dover
2014–2025 recordStrafford County averaged 19.7 significant outages a year in 2023–2025, about typical for New Hampshire counties.
In the 12 months to December 2025, there were 19. Half were over within 2.5 hours; the longest lasted 14 hours, starting March 7, 2025.
The largest on record began October 30, 2017, with 29,633 customers out at once.
19.7significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1.5 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.3.8 dayslongest on record (October 2017)
29,633most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| October 30, 2017 | 29,633 | 3.8 days | 900,675 |
| November 26, 2014 | 26,902 | 3.2 days | 1,062,692 |
| April 4, 2024 | 24,097 | 2.8 days | 764,750 |
| January 23, 2023 | 20,731 | 2.4 days | 564,073 |
| March 23, 2024 | 17,394 | 1.7 days | 326,494 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.