Power Out Map

Investor Owned utility · · NH

Unitil Energy Systems

In 2025, the average Unitil Energy Systems customer in New Hampshire was without power for 98 minutes (1.6 hours), 31% less than the median New Hampshire utility.

Outage minutes per customer 98min 2025, including major storms
Excluding major storm days 91min The everyday reliability of the network
Outages per customer a year 1.36 SAIFI, 2025
Residential price 21.7¢/kWh 2025 · New Hampshire median 22.6¢

Reliability

Minutes in the dark, year by year

Average minutes without power per customer in New Hampshire (SAIDI), with and without major event days, against the median New Hampshire utility.

0 200 400 600 800 1,000 20182019202020212022202320242025 All days 98 No major storms 91 NH median 143

Price

Residential cents per kWh

Revenue from full-service residential customers divided by their sales, as reported to the EIA.

0.0 10.0 20.0 30.0 40.0 20182019202020212022202320242025 This utility 21.7 NH median 22.6

Territory

Counties served

Counties where Unitil Energy Systems reports customers. Open one for its full outage history.

New Hampshire

MerrimackRockingham

Source: U.S. Energy Information Administration, Form EIA-861, 2018–2025. Reliability uses the IEEE 1366 standard where the utility reports it. Residential customers in 2025: 69,081.