Power outages in Lebanon, NH

Live outages for Lebanon and the surrounding area, updated every 10 minutes. Lebanon has 15,481 residents.

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LebanonGrafton County

Outage history in Grafton County, which includes Lebanon

2014–2025 record

Grafton County averaged 41.3 significant outages a year in 2023–2025, more than most New Hampshire counties.

In the 12 months to December 2025, there were 45. Half were over within 2 hours; the longest lasted 26 hours, starting December 29, 2025.

The largest on record began October 30, 2017, with 11,415 customers out at once.

41.3significant 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.
2 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
4.6 dayslongest on record (October 2017)
11,415most 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, 201711,4154.6 days484,121
August 4, 202011,2012 days196,236
December 23, 20229,8023.4 days314,844
December 16, 20229,7272.2 days160,018
July 21, 20229,43114 hours30,085

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.