Cheshire County power outages

New Hampshire outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

Cheshire County, New Hampshire had 40 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 1.62 times the US outage time per person and 1.28 times the New Hampshire rate. It ranks 5 of 10 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

4.4major outages per year
9 of 9years with a major outage
81 hrslongest major outage
Mar, Janhardest months

March and January made up 44% of this county's outage time. The largest outage on record began Mar 14, 2023, reached 19,245 customers, and left at least 200 customers out for 81.0 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
0.5M
1M
1.5M
2M
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201561,678561
2016106,592821
2017234,246645
2018364,088836
2019211,522273
2020306,574557
2021153,667616
2022204,007675
20231,138,795546

When outages hit

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

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Mar 14, 202381.019,245705,429
Jan 23, 202368.511,380340,657
Aug 4, 202050.89,447143,970
Jun 18, 201827.213,115143,590
Oct 17, 201946.87,038134,636

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.

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.

Look up another county

Counties ranked nearby

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.