Power outages in Rockingham County, NH

We don't have a live outage feed for the utilities serving Rockingham County yet. Public Service Co of NH, New Hampshire Elec Coop Inc and Unitil Energy Systems serve this county.

Right now

No live outage data for Rockingham County yet.

Public Service Co of NHno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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New Hampshire Elec Coop Incno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Unitil Energy Systemsno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Liberty Utilities (Granite State Electrino live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Outage map

No live outage feed here yet
County outline

Outage history in Rockingham County

2014–2025 record

Rockingham County averaged 26 significant outages a year in 2023–2025, about typical for New Hampshire counties.

In the 12 months to December 2025, there were 30. Half were over within 2 hours; the longest lasted 13 hours, starting March 7, 2025.

The largest on record began October 30, 2017, with 80,811 customers out at once.

26significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1 hourtypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
3.8 dayslongest on record (October 2017)
80,811most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
October 30, 201780,8113.8 days2,184,565
April 4, 202464,4043.6 days1,762,910
March 14, 201754,64827 hours537,616
July 23, 201638,47116 hours176,250
November 26, 201436,5053.2 days1,314,887

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.