New Hampshire Power Outages: Live Map & Grid Status
New Hampshire utilities do not yet share live outage data with DOE's ODIN feed, so live counts here are limited. Check your electric company's outage map (listed below) for real-time status.
New Hampshire outage map by county
Limited data- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
New Hampshire counties with power outages
Counties with customers out right now
No county-level outages are being reported right now.
Weather alerts
Wind, storm, ice, heat and fire-weather alerts from NWS
No active outage-relevant weather alerts from the National Weather Service.
Outage trend: last 7 days
Customers without power, recorded every ~30 minutes (participating utilities)
Biggest New Hampshire power outages since 2014
Statewide outage events recorded by DOE's EAGLE-I system since late 2014, with likely causes from NOAA storm reports
The largest power outage in New Hampshire since 2014 (Oct 30 – Nov 3, 2017) left as many as 250,026 customers (33.58% of the state) without power at once, driven by flooding. The next largest (Nov 26 – Dec 1, 2014) peaked at 212,152 customers (Winter storm).
By EAGLE-I's count, New Hampshire customers averaged about 6 hr 58 min without power per year from 2018 to 2025. The worst year was 2024, at 14 hr 14 min per customer.
Outages peak in March (21% of outage time). Outage time in New Hampshire has risen recently: about 9 hr 2 min per customer per year in 2022–2025, versus 4 hr 54 min in 2018–2021.
| # | When | Peak out at once | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Oct 30 – Nov 3, 2017 | 250,026(33.58%) | 5 | Flooding |
| 2 | Nov 26 – Dec 1, 2014 | 212,152(28.49%) | 6 | Winter storm |
| 3 | Apr 3–7, 2024 | 184,368(24.76%) | 5 | Winter storm |
| 4 | Dec 23–26, 2022 | 134,259(18.03%) | 4 | Flooding |
| 5 | Aug 4–7, 2020 | 94,383(12.68%) | 4 | Hurricane Isaias |
| 6 | Jul 23–26, 2016 | 92,168(12.38%) | 4 | Severe thunderstorms |
| 7 | Mar 14–17, 2023 | 84,493(11.35%) | 4 | Winter storm |
| 8 | Mar 21–26, 2024 | 83,513(11.22%) | 6 | Winter storm |
Hours without power per customer, by year (EAGLE-I)
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
New Hampshire electric utilities
Largest electric companies in New Hampshire, from EIA-861 (2025)
| Utility | Type | Customers (NH) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Eversource (New Hampshire) | Investor Owned | 555,603 | Not reporting | |
| New Hampshire Elec Coop Inc | Cooperative | 85,745 | Not reporting | |
| Unitil Energy Systems | Investor Owned | 82,001 | Not reporting | |
| Liberty Utilities (Granite State Electri | Investor Owned | 48,072 | Not reporting | |
| Town of Wolfeboro - (NH) | Municipal | 6,031 | Not reporting | |
| Sunrun Inc. | Behind the Meter | 4,209 | Not reporting | |
| Town of Littleton - (NH) | Municipal | 4,064 | Not reporting | |
| Town of Ashland | Municipal | 1,705 | Not reporting | |
| Tesla Inc. | Behind the Meter | 1,197 | Not reporting | |
| Precinct of Woodsville | Municipal | 1,151 | Not reporting | |
| EverBright, LLC | Behind the Meter | 266 | Not reporting | |
| New Hampton Village Precinct | Municipal | 82 | Not reporting | |
| Palmetto Solar, LLC | Behind the Meter | 49 | Not reporting | |
| Ahana Renewables, LLC | Behind the Meter | 8 | Not reporting | |
| TerraForm US Energy Services, LLC | Behind the Meter | 1 | Not reporting |
“Avg. outage time / yr” is each utility's reported SAIDI for 2025, including major events. “Live data” shows whether the utility shares outages with DOE ODIN.
New Hampshire grid reliability & uptime
Official reliability metrics from the U.S. Energy Information Administration
In 2025, the average New Hampshire customer went 2 hr 31 min without power, compared with 4 hr 29 min for the U.S. as a whole. That ranks New Hampshire 43rd of 51 for total outage time, where 1st has the most.
Leaving out major events such as hurricanes and ice storms, the figure falls to 1 hr 26 min. Customers averaged 1.12 interruptions, each lasting about 2 hr 15 min. Over the last five years New Hampshire averaged 7 hr 10 min of outages per customer per year (rank 19th).
View as table
| Year | NH SAIDI (min) | U.S. SAIDI (min) |
|---|---|---|
| 2015 | 117.3 | 209 |
| 2016 | 192.5 | 268.4 |
| 2017 | 915.4 | 505.9 |
| 2018 | 450.8 | 349.2 |
| 2019 | 219.6 | 295.5 |
| 2020 | 408.5 | 456.1 |
| 2021 | 176.5 | 475.8 |
| 2022 | 495.5 | 333 |
| 2023 | 590.6 | 366.6 |
| 2024 | 735.5 | 662.6 |
| 2025 | 150.7 | 269.2 |
Source: EIA Electric Power Annual, Table 11.4 (IEEE method, all events including major event days).
New Hampshire power outage news
No New Hampshire outage headlines in the past week.
Nearby states
Largest cities
All New Hampshire counties
Outage status, alerts and utilities for all 10 New Hampshire counties
New Hampshire power outage FAQ
Is there a power outage in New Hampshire right now?
No outages are currently reported by participating utilities in New Hampshire. Live coverage depends on which utilities share data with DOE ODIN, so if your power is out, report it to your electric company.
How reliable is the power grid in New Hampshire?
In 2025, the average New Hampshire electricity customer was without power for 2 hr 31 min in total (SAIDI, including major events), versus 4 hr 29 min nationally, according to EIA. That ranks New Hampshire 43rd of 51 for outage time (1st = most). Power was on 99.971% of the year.
How long do power outages last in New Hampshire?
When an outage happened in 2025, New Hampshire customers waited an average of 2 hr 15 min for power to be restored (CAIDI), and the average customer had 1.12 sustained interruptions during the year (SAIFI), per EIA-861 data.
Who do I call to report a power outage in New Hampshire?
Report outages directly to your electric utility. Public Service Co of NH, New Hampshire Elec Coop Inc, Unitil Energy Systems and others serve the most customers in New Hampshire. Call 911 if you see a downed power line or are in danger.
Prepare for the next outage
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "New Hampshire Power Outages: Live Map & Grid Status." Accessed November 2, 2026. https://poweroutagetracker.com/outages/new-hampshire
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