Electricity in Salt Lake County, Utah

2 electric utilities serve homes in Salt Lake County, Utah: Rocky Mountain Power and City of Murray. In 2025, the average home bill of these utilities was $74.29 (City of Murray) to $100.84 (Rocky Mountain Power) a month. This page covers 16 cities with 25,000 or more people in the county, from West Valley City to South Salt Lake.

  • 16 cities
  • 2 utilities
  • EIA and Census data, 2025

Electric utilities in Salt Lake County

EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.

Electric utilities with 1,000 or more homes in Salt Lake County: average home bill in 2025 and 1,000 kWh bill in November 2026
UtilityHomes in UtahAverage bill 20251,000 kWh now
Rocky Mountain PowerInvestor-owned utility · bill calculator 969,037 $100.84746 kWh, 13.5¢ $127.04
City of MurrayCity utility 17,724 $74.29596 kWh, 12.4¢ —

1 smaller utility with fewer than 1,000 homes is also listed in the county. The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The Utah average was $99.06 a month.

Cities in Salt Lake County

Cities with 25,000 or more people in Salt Lake County (2025 estimates) and the solar output of 1 kW of panels
CityPeopleCity-owned utilitySolar kWh a year per kW
West Valley City137,491—1,511
West Jordan116,812—1,490
Sandy92,386—1,494
South Jordan87,614—1,491
Millcreek63,926—1,492
Herriman63,282—1,493
Taylorsville57,484—1,501
Murray53,297City of Murray1,505
Draper50,652—1,494
Riverton47,395—1,483
Midvale36,099—1,477
Kearns35,404—1,512
Magna35,401—1,509
Cottonwood Heights32,265—1,459
Holladay31,162—1,454
South Salt Lake26,934—1,482

A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.

Who provides electricity in Salt Lake County?

2 electric utilities serve homes in Salt Lake County, Utah: Rocky Mountain Power and City of Murray. The name of your utility is on your bill.

Which cities in Salt Lake County are on this page?

West Valley City, West Jordan, Sandy, South Jordan, Millcreek, Herriman, Taylorsville, Murray, Draper, Riverton, Midvale, Kearns, Magna, Cottonwood Heights, Holladay and South Salt Lake.

Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).