Power Outages in Merrimack County, NH
As of July 18, 2026 19:06 UTC, about 1 customers are without power in Merrimack County, NH across 1 reported incident. In 2025, the average customer here lost power for about 2.6 hours.
Merrimack County, NH is served by 1 tracked utility.
- Air Quality AlertUNKNOWN
- Air Quality AlertUNKNOWN
- Air Quality AlertUNKNOWN
Merrimack County has been under 10 National Weather Service alerts recently — most recently a Air Quality Alert on July 18, 2026.
- Heat Advisory ×5
- Air Quality Alert ×4
- Severe Thunderstorm Warning ×1
Hardest-hit cities in Merrimack County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Merrimack Countyisn't available yet.
Historical reliability
In 2025, the average customer in Merrimack County went about 2.6 hours without power. Peak simultaneous outage on record reached 37,350 customers.
Worst year here was 2024 (peak 30,245 customers out) · decade average 5.2 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 455 | 27,800 | 2.3 |
| 2016 | 739 | 25,159 | 3.5 |
| 2017 | 802 | 37,350 | 11.2 |
| 2018 | 740 | 9,908 | 3.4 |
| 2019 | 648 | 12,254 | 2.8 |
| 2020 | 881 | 10,558 | 5.2 |
| 2021 | 743 | 12,533 | 1.9 |
| 2022 | 865 | 28,015 | 6.6 |
| 2023 | 887 | 12,583 | 5.3 |
| 2024 | 898 | 30,245 | 11.8 |
| 2025 | 900 | 8,480 | 2.6 |
Relatively High ice storms exposure · 5.2 hrs/yr of outages over the last decade.
Power outages in Merrimack County: FAQ
- How often does Merrimack County, NH lose power?
- Based on EAGLE-I records, Merrimack County, NH logged 900 distinct outage events in 2025, averaging about 2.6 hours without power per customer over the year.
- What was the worst power outage in Merrimack County, NH?
- The largest tracked outage peaked at 37,350 customers without power, beginning October 29, 2017 and lasting about 6d 11h.
- Is there a power outage in Merrimack County, NH right now?
- Yes — about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Merrimack County, NH?
- Tracked electric providers include UNITIL ENERGY SYSTEMS.
Concord. Outage counts for these communities are reported at the Merrimack County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Merrimack County.
03046, 03106, 03216, 03221, 03224, 03229, 03230, 03231, 03233, 03234, 03235, 03242, 03243, 03255, 03257, 03258, 03260, 03263, 03268, 03273, 03275, 03276, 03278, 03287, 03301, 03303, 03304, 03307
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| UNITIL ENERGY SYSTEMS | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/33013 and /api/v1/counties/33013/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of New Hampshire customers). Live data as of .