Sullivan County, NH Power Outages
Utilities serving Sullivan County, New Hampshire don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Sullivan County on the New Hampshire outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Sullivan County power outage history
Every significant outage recorded in Sullivan County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 341 significant power outages in Sullivan County, meaning events that left at least 1% of customers in the dark. The largest (Jul 19–21, 2015) came when severe thunderstorms left 19,880 customers (99% of the county) without power.
From 2018 to 2025, the average customer here lost about 13 hr 7 min of power per year, more than the New Hampshire average of 6 hr 58 min. That ranks 3rd of 10 New Hampshire counties for outage time, where 1st has the most.
December is the riskiest month: it accounted for 20% of all customer outage time from 2018 to 2025. On 117 days in that period, at least 5% of customers were out at the same time. Outage time in Sullivan County has risen recently: about 14 hr 46 min per customer per year in 2022–2025, versus 11 hr 27 min in 2018–2021.
The most recent significant outage on record (Dec 28–30, 2025) affected 5,909 customers (29.4%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 19–21, 2015 | 19,880(99%) | 3 | Severe thunderstorms |
| 2 | Mar 14–16, 2023 | 9,262(46.1%) | 3 | Winter storm |
| 3 | Dec 14–19, 2022 | 8,776(43.7%) | 6 | Winter storm |
| 4 | Nov 27–30, 2018 | 7,999(39.8%) | 4 | Winter storm |
| 5 | Aug 4–7, 2020 | 6,019(30%) | 4 | Hurricane Isaias |
Hours without power per customer, by year
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.
Who provides electricity in Sullivan County?
Electric companies with service territory in Sullivan County (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 | |
| Liberty Utilities (Granite State Electri | Investor Owned | 48,072 | Not reporting |
Customer counts are each utility's statewide total in New Hampshire. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sullivan County outage headlines in the past week.
Sullivan County power outage FAQ
Is the power out in Sullivan County right now?
No outages are currently reported for Sullivan County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Sullivan County?
According to EIA-861 service territory data, Public Service Co of NH, New Hampshire Elec Coop Inc, Liberty Utilities (Granite State Electri provide electric service in Sullivan County, New Hampshire.
What was the worst power outage in Sullivan County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 19–21, 2015. It peaked at 19,880 customers without power (99% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Sullivan County?
EAGLE-I has recorded 341 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 13 hr 7 min of power per year, and on 117 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Sullivan County, NH Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/new-hampshire/sullivan-county