Power Outages in Merrimack County, NH
As of the latest utility report, no major power outages are reported in Merrimack County, NH. In 2025, the average customer here lost power for about 2.6 hours.
Merrimack County, NH is served by 1 tracked utility.
No active power outages are currently reported in Merrimack County.
No active NWS alerts for Merrimack County right now.
Merrimack County has been under 19 National Weather Service alerts recently — most recently a Special Weather Statement on August 24, 2026.
- Flood Watch ×5
- Heat Advisory ×5
- Air Quality Alert ×4
- Flash Flood Warning ×2
- Flood Advisory ×1
- Special Weather Statement ×1
Latest Merrimack County, NH outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 4h 32m
- OUTAGE BEGAN
Outage began — 509 customers out (0.4% of the county)
Hardest-hit cities in Merrimack County
Where this event is concentrated across the county's towns and townships.
- Concordno active outage
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?
- No major outage is currently reported for Merrimack County, NH. Live coverage depends on whether local utilities report to ODIN.
- 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).