Grafton County, New Hampshire Power Outages, 2015 to 2023

Grafton County, New Hampshire had 33 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.38 times the US outage time per person and 1.09 times the New Hampshire rate. It ranks 6 of 10 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

3.7major outages per year

9 of 9years with a major outage

112 hrslongest major outage

Dec, Octhardest months

December and October made up 45% of this county's outage time. The largest outage on record began Oct 30, 2017, reached 11,415 customers, and left at least 200 customers out for 112.2 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.

200K

400K

600K

800K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	64,941	38	1
2016	105,309	36	1
2017	584,221	62	5
2018	337,940	103	4
2019	248,992	53	3
2020	456,048	99	9
2021	134,115	106	2
2022	681,351	103	6
2023	214,694	88	2

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	112.2	11,415	485,041
Dec 23, 2022	90.2	9,802	317,608
Aug 4, 2020	68.2	11,201	203,423
Dec 16, 2022	49.5	9,727	159,879
Nov 27, 2018	47.5	5,215	127,874

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.