massoutage

2015 New Hampshire Power Outage Report

In 2015, the average New Hampshire customer went without power for about 2.3 hours — the 26th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.3
Peak customers out
27,800
Rank (worst state)
26th
Counties affected
10

New Hampshire outages over the decade

Average hours without power per customer, 2015 highlighted.

2.3h20153.2h201614.3h20175.8h20183.3h20197.1h20203.4h20218.6h20229.5h202314.2h20243.8h2025

Hardest-hit New Hampshire counties in 2015

By peak customers out during the year's worst event.

1Merrimack County27,8002Sullivan County19,8803Strafford County14,8064Rockingham County11,4825Hillsborough County10,7516Carroll County8,3287Coos County7,2028Belknap County6,0929Cheshire County5,20810Grafton County4,590

Biggest New Hampshire outages of 2015

CountyBeganPeak customers out
Merrimack CountyDecember 5, 201527,800
Sullivan CountyJuly 19, 201519,880
Strafford CountyAugust 15, 201514,806
Rockingham CountySeptember 20, 201511,482
Hillsborough CountyMarch 17, 201510,751
Rockingham CountyAugust 11, 20159,570
Carroll CountyJune 30, 20158,328
Carroll CountyAugust 21, 20157,962
Rockingham CountyJune 26, 20157,778
Coos CountyJune 23, 20157,202
New Hampshire by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.