Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA, Census Bureau · How we got these numbers · Report an error

Who heats with electricity where it is cold in New Hampshire?

59,157homes in New Hampshire heat mainly with electricity in counties that are cold in a normal year

All 10 New Hampshire counties average at least 4,000 heating degree days in a normal year, and 11% of the 551,186 occupied homes heat mainly with electricity. Rank 33 of 35 by count, 29 by share. Hillsborough County holds the most: 19,273 electric-heated homes at 6,934 heating degree days.

Where New Hampshire sits among the states

Share of homes that heat with electricity in cold counties, by state, one tile per stateAlaska: no data in this seriesAKMaine: 10.1% of homesMEVermont: 8.1% of homesVTNew Hampshire: 10.7% of homesNHWashington: 57.7% of homesWAIdaho: 35.0% of homesIDMontana: 26.6% of homesMTNorth Dakota: 39.9% of homesNDMinnesota: 18.8% of homesMNIllinois: 18.2% of homesILWisconsin: 17.3% of homesWIMichigan: 11.6% of homesMINew York: 14.4% of homesNYRhode Island: 12.1% of homesRIMassachusetts: 17.9% of homesMAOregon: 53.1% of homesORNevada: 8.7% of homesNVWyoming: 23.3% of homesWYSouth Dakota: 32.6% of homesSDIowa: 24.3% of homesIAIndiana: 30.7% of homesINOhio: 25.6% of homesOHPennsylvania: 24.8% of homesPANew Jersey: 15.6% of homesNJConnecticut: no data in this seriesCTCalifornia: 2.0% of homesCAUtah: 16.4% of homesUTColorado: 25.2% of homesCONebraska: 31.2% of homesNEMissouri: 37.0% of homesMOKentucky: 49.5% of homesKYWest Virginia: 45.5% of homesWVVirginia: 32.2% of homesVAMaryland: 42.6% of homesMDDelaware: 37.0% of homesDEArizona: 0.9% of homesAZNew Mexico: 13.1% of homesNMKansas: 26.5% of homesKSArkansas: 1.9% of homesARTennessee: 9.9% of homesTNNorth Carolina: 5.6% of homesNCSouth Carolina: 0.0% of homesSCDistrict of Columbia: no data in this seriesDCOklahoma: 0.5% of homesOKLouisiana: 0.0% of homesLAMississippi: 0.0% of homesMSAlabama: 0.0% of homesALGeorgia: 0.4% of homesGAHawaii: no data in this seriesHITexas: 0.1% of homesTXFlorida: 0.0% of homesFL

Darker is a larger share. New Hampshire is outlined.

New Hampshire: cold counties and electric heat

New Hampshire cold counties, electric heating
Hillsborough County167,73211.519,2736,934-7%32.6
Rockingham County126,58810.913,8226,647-5%23.4
Merrimack County60,44512.17,3177,310-6%12.4
Strafford County51,68411.25,7707,021-3%9.8
Grafton County36,10710.93,9398,359-6%6.7
Cheshire County30,5199.42,8807,284-5%4.9
Carroll County22,09610.82,3977,899-5%4.1
Belknap County26,1189.02,3617,381-5%4.0
Sullivan County16,0795.18157,788-6%1.4
Coos County13,8184.25839,126-5%1.0

10 cold counties, ranked by electric-heated homes. All counties, CSV.

Where the electric-heated homes are

The 3 largest counties, Hillsborough County, Rockingham County, Merrimack County, hold 68% of the 59,157 electric-heated homes in New Hampshire cold counties. The highest electric-heat share among cold counties with 5,000+ homes is Merrimack County at 12%. The coldest, Coos County, averages 9,126 heating degree days; New Hampshire as a whole averages 7,170 when weighted by homes.

electric-heated homes, New Hampshire cold counties

  • Hillsborough County19,273
  • Rockingham County13,822
  • Merrimack County7,317
  • Strafford County5,770
  • Grafton County3,939
  • Cheshire County2,880
  • Carroll County2,397
  • Belknap County2,361
  • Sullivan County815
  • Coos County583

New Hampshire: the 10 coldest counties

Coos County is coldest at 9,126 heating degree days with 4% electric heat. The 10 coldest hold 59,157 electric-heated homes.

New Hampshire 10 coldest counties
CountyHomesElectric, %Normal HDDRecent HDD
Coos County13,8184.29,1268,706
Grafton County36,10710.98,3597,870
Carroll County22,09610.87,8997,487
Sullivan County16,0795.17,7887,324
Belknap County26,1189.07,3817,040
Merrimack County60,44512.17,3106,893
Cheshire County30,5199.47,2846,891
Strafford County51,68411.27,0216,794
Hillsborough County167,73211.56,9346,460
Rockingham County126,58810.96,6476,307

New Hampshire: where electric heat is most common

Among counties with 2,000+ homes, Merrimack County is highest at 12% and Coos County is 10th at 4%.

New Hampshire 10 counties with the highest electric heat share
CountyHomesElectric, %Normal HDDRecent HDD
Merrimack County60,44512.17,3106,893
Hillsborough County167,73211.56,9346,460
Strafford County51,68411.27,0216,794
Grafton County36,10710.98,3597,870
Rockingham County126,58810.96,6476,307
Carroll County22,09610.87,8997,487
Cheshire County30,5199.47,2846,891
Belknap County26,1189.07,3817,040
Sullivan County16,0795.17,7887,324
Coos County13,8184.29,1268,706

Winter disconnections and price in New Hampshire

New Hampshire utilities logged 0.02 disconnections per 100 residential accounts a month in December to February 2024 and 0.31 in June to August.

At the 2025 average residential price of 24.56 cents a kWh, 1,000 kWh costs 246 dollars in New Hampshire.

New Hampshire in the ranking

Nevada is 31st with 102,403 homes (8.7% of its homes). Maine is 32nd with 59,234 homes (10.1% of its homes). Wyoming is 34th with 55,528 homes (23.3% of its homes). Arizona is 35th with 26,047 homes (0.9% of its homes).

New Hampshire beside 2 neighbors

New Hampshire neighbors with a winter page
NeighborElectric homesShare, %Avg HDD
Maine59,23410.1%7,787
Massachusetts495,36317.9%6,128

Look up your New Hampshire county

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Sources

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Questions

How many New Hampshire homes heat with electricity in cold counties?

59,157 homes, 10.7% of 551,186 occupied New Hampshire homes, in 10 counties averaging 4,000+ heating degree days.

Which New Hampshire county has the most electric-heated homes among its cold counties?

Hillsborough County, with 19,273 of its 167,732 homes (12%) at 6,934 normal heating degree days.

Which New Hampshire county is the coldest, and how many of its homes heat with electricity?

Coos County, at 9,126 normal heating degree days: 583 of 13,818 homes (4%).

How far did the last decade run from the New Hampshire normal?

New Hampshire cold counties averaged 5.3% below their 1991-2020 heating degree days over 2016-2025.

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59,157 homes in New Hampshire heat mainly with electricity in counties that are cold in a normal year

Cite this page

Underlying data are U.S. government works (EIA, Census Bureau). Our tables and charts: CC BY 4.0, credit Electric Consumer. The access date fills in when you open this page.

APA

Electric Consumer. (2026). New Hampshire winter exposure: 59,157 electric-heated homes in cold counties. Data as of 9 October 2026. Retrieved 9 October 2026, from https://electricconsumer.org/winter/states/new-hampshire.html

MLA

Electric Consumer. “New Hampshire winter exposure: 59,157 electric-heated homes in cold counties.” Electric Consumer, data as of 9 October 2026, https://electricconsumer.org/winter/states/new-hampshire.html. Accessed 9 October 2026.

Chicago

Electric Consumer. “New Hampshire winter exposure: 59,157 electric-heated homes in cold counties.” Data as of 9 October 2026. Accessed 9 October 2026. https://electricconsumer.org/winter/states/new-hampshire.html.

BibTeX

@misc{usedata_winter_states_new_hampshire,
  author = "Electric Consumer",
  title = {New Hampshire winter exposure: 59,157 electric-heated homes in cold counties},
  year = {2026},
  url = {https://electricconsumer.org/winter/states/new-hampshire.html},
  note = {Data as of 9 October 2026. Accessed 9 October 2026}
}
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