[ Rocky Mountain Power Utah / UT ]
Rocky Mountain Power Utah electricity rates in Utah
NO RATE CASE ON FILE · DATA 2025
change in average rate, 2024→2025
What your bill becomes
Estimated at Rocky Mountain Power Utah's average effective residential rate (13.52¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 11.49¢ | — | 764,088 |
| 2016 | 11.59¢ | +0.9% | 780,158 |
| 2017 | 11.46¢ | −1.1% | 796,194 |
| 2018 | 10.72¢ | −6.5% | 816,651 |
| 2019 | 10.66¢ | −0.6% | 836,194 |
| 2020 | 10.71¢ | +0.5% | 856,983 |
| 2021 | 10.65¢ | −0.6% | 879,496 |
| 2022 | 11.13¢ | +4.5% | 901,864 |
| 2023 | 11.27¢ | +1.3% | 924,463 |
| 2024 | 12.52¢ | +11.1% | 947,246 |
| 2025 | 13.52¢ | +8.0% | 969,037 |
How this compares
Rocky Mountain Power Utah files with the EIA as PacifiCorp (utility ID 14354).
Serves 26 counties in Utah: Beaver, Box Elder, Cache, Carbon, Davis, Duchesne, Emery, Garfield, Grand, Iron, Juab, Millard, Morgan, Piute, Rich, Salt Lake, San Juan, Sanpete, Sevier, Summit, Tooele, Uintah, Utah, Wasatch, Washington, Weber. 309 ZIP codes.
Questions
Is Rocky Mountain Power Utah raising rates in 2026?
No rate case for Rocky Mountain Power Utah is on file with the Utah Public Service Commission in our tracker. Its average residential rate moved +8.0% from 2024 to 2025. We check the commission docket monthly.
What does Rocky Mountain Power Utah charge per kWh?
Rocky Mountain Power Utah's average effective residential rate was 13.52¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Utah's 2025 average was 13.02¢.
How much have Rocky Mountain Power Utah rates gone up in five years?
+26.2% between 2020 and 2025, against +20.0% for Utah as a whole over the latest five-year window.
How many customers does Rocky Mountain Power Utah have in Utah?
969,037 residential customers in 2025, across 26 counties including Beaver, Box Elder, Cache, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey; rate-case facts are from the Utah Public Service Commission docket linked on this page. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)
