Who heats with electricity where it is cold in Utah?
All 29 Utah counties average at least 4,000 heating degree days in a normal year, and 16% of the 1,094,896 occupied homes heat mainly with electricity. Rank 26 of 35 by count, 24 by share. Salt Lake County holds the most: 61,712 electric-heated homes at 6,301 heating degree days.
Where Utah sits among the states
Darker is a larger share. Utah is outlined.
Utah: cold counties and electric heat
| Salt Lake County | 416,589 | 14.8 | 61,712 | 6,301 | -5% | 34.3 |
|---|---|---|---|---|---|---|
| Utah County | 195,602 | 16.2 | 31,681 | 6,899 | -4% | 17.6 |
| Washington County | 66,914 | 39.8 | 26,624 | 4,352 | -3% | 14.8 |
| Weber County | 92,353 | 14.4 | 13,300 | 7,140 | -5% | 7.4 |
| Davis County | 114,674 | 11.5 | 13,197 | 6,240 | -4% | 7.3 |
| Iron County | 19,658 | 27.7 | 5,444 | 6,176 | -4% | 3.0 |
| Cache County | 43,118 | 12.5 | 5,390 | 7,854 | -3% | 3.0 |
| Tooele County | 23,050 | 18.3 | 4,210 | 5,974 | -2% | 2.3 |
| Uintah County | 11,940 | 21.5 | 2,566 | 7,220 | -3% | 1.4 |
| Box Elder County | 19,150 | 9.8 | 1,873 | 6,686 | -3% | 1.0 |
| Kane County | 3,192 | 53.6 | 1,711 | 5,271 | -4% | 1.0 |
| Duchesne County | 6,714 | 21.3 | 1,429 | 8,440 | -4% | 0.8 |
| Wasatch County | 11,985 | 11.7 | 1,401 | 8,576 | -3% | 0.8 |
| Summit County | 14,477 | 9.1 | 1,317 | 9,363 | -3% | 0.7 |
| Sevier County | 7,393 | 13.3 | 983 | 7,347 | -3% | 0.5 |
| San Juan County | 4,650 | 18.0 | 836 | 5,229 | -3% | 0.5 |
| Sanpete County | 8,748 | 9.5 | 832 | 7,652 | -4% | 0.5 |
| Garfield County | 2,027 | 39.1 | 792 | 6,244 | -4% | 0.4 |
| Carbon County | 8,023 | 9.7 | 776 | 7,514 | -3% | 0.4 |
| Juab County | 3,756 | 19.1 | 717 | 6,097 | -3% | 0.4 |
Largest 20 of 29 cold counties, ranked by electric-heated homes. The 9 smaller cold counties are in the CSV. All counties, CSV.
Where the electric-heated homes are
The 3 largest counties, Salt Lake County, Utah County, Washington County, hold 67% of the 180,092 electric-heated homes in Utah cold counties. The highest electric-heat share among cold counties with 5,000+ homes is Washington County at 40%. The coldest, Summit County, averages 9,363 heating degree days; Utah as a whole averages 6,521 when weighted by homes.
Utah: the 10 coldest counties
Summit County is coldest at 9,363 heating degree days with 9% electric heat. The 10 coldest hold 11,640 electric-heated homes.
| County | Homes | Electric, % | Normal HDD | Recent HDD |
|---|---|---|---|---|
| Summit County | 14,477 | 9.1 | 9,363 | 9,102 |
| Rich County | 817 | 3.7 | 8,895 | 8,650 |
| Wasatch County | 11,985 | 11.7 | 8,576 | 8,277 |
| Daggett County | 262 | 5.7 | 8,463 | 8,376 |
| Duchesne County | 6,714 | 21.3 | 8,440 | 8,081 |
| Cache County | 43,118 | 12.5 | 7,854 | 7,596 |
| Morgan County | 3,605 | 7.2 | 7,741 | 7,424 |
| Piute County | 567 | 33.5 | 7,686 | 7,343 |
| Sanpete County | 8,748 | 9.5 | 7,652 | 7,358 |
| Carbon County | 8,023 | 9.7 | 7,514 | 7,276 |
Utah: where electric heat is most common
Among counties with 2,000+ homes, Kane County is highest at 54% and San Juan County is 10th at 18%.
| County | Homes | Electric, % | Normal HDD | Recent HDD |
|---|---|---|---|---|
| Kane County | 3,192 | 53.6 | 5,271 | 5,065 |
| Washington County | 66,914 | 39.8 | 4,352 | 4,215 |
| Garfield County | 2,027 | 39.1 | 6,244 | 6,023 |
| Beaver County | 2,386 | 29.6 | 6,195 | 6,015 |
| Iron County | 19,658 | 27.7 | 6,176 | 5,945 |
| Uintah County | 11,940 | 21.5 | 7,220 | 6,981 |
| Duchesne County | 6,714 | 21.3 | 8,440 | 8,081 |
| Juab County | 3,756 | 19.1 | 6,097 | 5,907 |
| Tooele County | 23,050 | 18.3 | 5,974 | 5,843 |
| San Juan County | 4,650 | 18.0 | 5,229 | 5,080 |
Winter disconnections and price in Utah
Utah utilities logged 0.17 disconnections per 100 residential accounts a month in December to February 2024 and 0.23 in June to August.
At the 2025 average residential price of 13.07 cents a kWh, 1,000 kWh costs 131 dollars in Utah.
Utah in the ranking
Idaho is 24th with 243,011 homes (35.0% of its homes). North Carolina is 25th with 235,396 homes (5.6% of its homes). North Dakota is 27th with 129,646 homes (39.9% of its homes). Montana is 28th with 120,498 homes (26.6% of its homes).
Utah beside 6 neighbors
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Questions
How many Utah homes heat with electricity in cold counties?
180,092 homes, 16.4% of 1,094,896 occupied Utah homes, in 29 counties averaging 4,000+ heating degree days.
Which Utah county has the most electric-heated homes among its cold counties?
Salt Lake County, with 61,712 of its 416,589 homes (15%) at 6,301 normal heating degree days.
Which Utah county is the coldest, and how many of its homes heat with electricity?
Summit County, at 9,363 normal heating degree days: 1,317 of 14,477 homes (9%).
How far did the last decade run from the Utah normal?
Utah cold counties averaged 3.4% below their 1991-2020 heating degree days over 2016-2025.