Power Outages in Coos County, NH
New Hampshire Elec Coop Inc and Public Service Co of NH publish only a system-wide total, not county figures. In 2025, the average customer here lost power for about 3.5 hours.
Coos County, NH is served by 2 tracked utilities.
Cite this data
- URL
- https://massoutage.com/new-hampshire/coos-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Coos County, NH". https://massoutage.com/new-hampshire/coos-county
New Hampshire Elec Coop Inc and Public Service Co of NH publish no county-level figures.
0.0%of this county's ~24,492 customers are served by utilities with a county-level live feed.
System-wide total only, no county split: New Hampshire Elec Coop Inc, Public Service Co of NH.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| New Hampshire Elec Coop Inc | Live · total only | not by county | - | - | - | - | - | - |
| Public Service Co of NH | Live · total only | not by county | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Coos Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (14)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 03570 | 138 | ≤11 | 119 | 0 |
| 03576 | 45 | ≤11 | 42 | 0 |
| 03598 | 44 | ≤11 | 36 | 0 |
| 03584 | 44 | 0 | 36 | 0 |
| 03581 | 42 | 0 | 37 | 0 |
| 03582 | 25 | ≤11 | 23 | 0 |
| 03590 | 18 | 0 | 17 | 0 |
| 03592 | 17 | 0 | 14 | ≤11 |
| 03588 | 17 | 0 | 15 | 0 |
| 03583 | 13 | 0 | ≤11 | 0 |
| 03846 | ≤11 | 0 | ≤11 | 0 |
| 03595 | ≤11 | ≤11 | ≤11 | 0 |
| 03593 | ≤11 | 0 | ≤11 | 0 |
| 03579 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Coos County or any town and utility in it.
No active NWS alerts for Coos County right now.
Coos County has been under 2 National Weather Service alerts recently, most recently a Frost Advisory on September 15, 2026.
- Frost Advisory ×2
Hardest-hit cities in Coos County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Coos County went about 3.5 hours without power. Peak simultaneous outage on record reached 9,692 customers.
The US EIA reports New Hampshire utilities averaged 2.5 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.5 hrs.
Worst year here was 2017 (peak 8,259 customers out) · decade average 7.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 172 | 7,202 | 3.9 |
| 2016 | 303 | 2,480 | 2.7 |
| 2017 | 389 | 8,259 | 21.1 |
| 2018 | 472 | 3,015 | 5.6 |
| 2019 | 295 | 4,665 | 5.8 |
| 2020 | 410 | 6,019 | 6.9 |
| 2021 | 382 | 9,692 | 5.0 |
| 2022 | 426 | 6,516 | 15.1 |
| 2023 | 394 | 4,305 | 3.5 |
| 2024 | 422 | 3,991 | 5.4 |
| 2025 | 408 | 3,849 | 3.5 |
Cost of power in Coos County
ENERGY & AI DEMAND →Estimated residential electricity price for Coos County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Public Service Co of NH24.2¢263,458 cust
- New Hampshire Elec Coop Inc24.7¢70,173 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively High winter weather exposure · 7.1 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Coos County: FAQ
- How often does Coos County, NH lose power?
- Based on EAGLE-I records, Coos County, NH logged 408 distinct outage events in 2025, averaging about 3.5 hours without power per customer over the year.
- What was the worst power outage in Coos County, NH?
- The largest tracked outage peaked at 9,692 customers without power, beginning June 4, 2021 and lasting about 1h.
- Is there a power outage in Coos County, NH right now?
- No major outage is currently reported for Coos County, NH. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Coos County, NH?
- Tracked electric providers include New Hampshire Elec Coop Inc, Public Service Co of NH.
Outages are tracked at the county level; these ZIP codes fall within Coos County.
03570, 03575, 03576, 03581, 03582, 03583, 03584, 03588, 03590, 03592, 03593, 03595, 03597, 03598
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Public Service Co of NH | 2.7 hrs | Live · total only | - |
| New Hampshire Elec Coop Inc | - | Live · total only | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of New Hampshire customers). Machine-readable data: /api/v1/counties/33007 and /api/v1/counties/33007/history.