Belknap County, New Hampshire Power Outages, 2015 to 2023

Belknap County, New Hampshire had 26 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.16 times the US outage time per person and 1.71 times the New Hampshire rate. It ranks 3 of 10 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.9major outages per year

7 of 9years with a major outage

206 hrslongest major outage

Oct, Dechardest months

October and December made up 65% of this county's outage time. The largest outage on record began Oct 30, 2017, reached 20,394 customers, and left at least 200 customers out for 111.8 hours.

Outage time per resident, rated New Hampshire counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

0.5M

1.5M

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	38,840	23	0
2016	69,528	37	0
2017	1,112,793	33	4
2018	136,943	84	5
2019	143,666	42	3
2020	407,404	70	4
2021	193,356	83	3
2022	743,845	66	3
2023	250,130	73	4

When outages hit

Share of this county's customer-hours by month.

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 30, 2017	111.8	20,394	1,003,773
Dec 23, 2022	206.2	19,985	569,150
Dec 5, 2020	50.8	9,150	196,624
Aug 4, 2020	67.2	9,254	129,528
Dec 17, 2022	22.0	6,923	76,436

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.