New Hampshire power outages in 2024

New Hampshire customers averaged 735.5 minutes (12 h 16 min) without power in 2024, rank 10 of 51 and above the 297-minute median. Major event days made up 89% of those minutes.

All events
735.5 min
Excl. major event days
84.2 min
Outages per customer
1.62
Customers counted
676,675

Outages here run long, so it's worth pricing a home standby generator alongside a battery. Never run a fuel generator indoors or in a garage.

Utility breakdown, 2024

3 utilities reported IEEE-standard reliability data in New Hampshire for 2024. The five largest by customers:

UtilityTypeCustomersOutage min, all eventsExcl. major events
Public Service Co of NHInvestor-owned551,456786.281.5
Unitil Energy SystemsInvestor-owned79,654593.497.7
Liberty Utilities (Granite State ElectriInvestor-owned45,565370.392.7

Trend since 2013

Highest year: 2017 (915 min). Lowest: 2015 (117 min). Outage minutes swing widely from year to year because big storms dominate the total.

YearAvg outage minutes (all events)
2013209.3
2014815.3
2015117.3
2016192.5
2017915.4
2018450.8
2019219.6
2020408.5
2021176.5
2022495.5
2023590.6
2024735.5

Customer-weighted average of utilities reporting under the IEEE standard each year. Our 2024 figure matches EIA's own state total exactly; earlier years may cover a different set of utilities.

How much came from major storms

In 2024, 651.3 of New Hampshire's 735.5 outage minutes (89%) fell on major event days, the large storm-driven outages that utilities report separately. On a normal day, customers averaged 84.2 minutes for the year.

State and utility incentives

  • Eversource customers in New Hampshire can get $230 per kWh of battery capacity, up to $3,000, plus 0% financing up to $10,000, with enrollment in ConnectedSolutions. Source: Eversource, NH Battery Storage Incentives, accessed October 23, 2026.

Programs change. Confirm terms with the program before you buy.