Power outages in Merrimack County, NH
We don't have a live outage feed for the utilities serving Merrimack County yet. Public Service Co of NH, New Hampshire Elec Coop Inc and Unitil Energy Systems serve this county.
Right now
No live outage data for Merrimack County yet.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.i
This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
Outage history in Merrimack County
2014–2025 recordMerrimack County averaged 23 significant outages a year in 2023–2025, about typical for New Hampshire counties.
In the 12 months to December 2025, there were 24. Half were over within 1.5 hours; the longest lasted 15 hours, starting December 29, 2025.
The largest on record began November 26, 2014, with 61,747 customers out at once.
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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.i
Half of significant outages here ended sooner than this, and half lasted longer.| 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. |
|---|---|---|---|
| November 26, 2014 | 61,747 | 3.4 days | 2,244,529 |
| October 30, 2017 | 37,350 | 3.6 days | 1,011,832 |
| March 23, 2024 | 30,245 | 2.3 days | 583,409 |
| December 23, 2022 | 28,015 | 2.5 days | 517,462 |
| December 5, 2015 | 27,800 | 2.5 hours | 53,669 |
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.
Nearby counties
Utilities
- Public Service Co of NH no live feed
- New Hampshire Elec Coop Inc no live feed
- Unitil Energy Systems no live feed
- All New Hampshire outages