massoutage

2017 New Hampshire Power Outage Report

In 2017, the average New Hampshire customer went without power for about 14.3 hours — the 4th worst of any US state that year, 2.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
14.3
Peak customers out
80,811
Rank (worst state)
4th
Counties affected
10

New Hampshire outages over the decade

Average hours without power per customer, 2017 highlighted.

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

Hardest-hit New Hampshire counties in 2017

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

1Rockingham County80,8112Hillsborough County58,0163Merrimack County37,3504Strafford County29,6335Belknap County20,3946Carroll County13,0287Grafton County11,4158Coos County8,2599Sullivan County5,73310Cheshire County5,022

Biggest New Hampshire outages of 2017

CountyBeganPeak customers out
Rockingham CountyOctober 29, 201780,811
Hillsborough CountyOctober 30, 201758,016
Rockingham CountyMarch 14, 201754,648
Merrimack CountyOctober 29, 201737,350
Strafford CountyOctober 29, 201729,633
Rockingham CountyJuly 24, 201729,332
Belknap CountyOctober 30, 201720,394
Hillsborough CountyMarch 2, 201715,026
Rockingham CountyApril 1, 201713,437
Carroll CountyOctober 30, 201713,028
New Hampshire by year:20252024202320222021202020192018
Other states in 2017:FLMEWVGARIVT

Part of the 2017 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.