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Rocky Mountain Power electric rates

Updated October 7, 2026 · Source: EIA Form 861 (2024), 24-035-04 (2026 settlement)

Investor-owned utility serving 947,246 homes in Utah.

Your rate

12.52¢per kWh, average residential rate 24% lower than the U.S. average (16.4¢)

$79average monthly bill at the current tariff$944 a year

758kWh used per month, average home

+17%rate change since 2020U.S. average: +28%

Estimate your bill

Electricity you use each month (kWh)

It's on your bill, usually near the top. Starting at 758 kWh, the average for Rocky Mountain Power homes.

kWh

$79 a month

$12 fixed charge + 8.8¢ × 758 kWh

This is an estimate. Tariff: $12.00 fixed + 8.8¢/kWh effective August 10, 2026 (source). Rocky Mountain Power Utah Schedule 1 Residential Service, GRC settlement rates filed Aug 5 2026 (Docket 26-035-T08), effective Aug 10 2026: customer service charge $12.00/mo single-family ($7.00 multifamily); energy Oct-May 8.7020 c/kWh first 400 kWh, 11.0852c additional (Jun-Sep 9.8332c / 12.5263c), plus Schedule 92 settlement deferral adjustment +1.17% -> 8.80c for a first-block winter kWh. Excludes other riders (e.g., energy balancing, DSM ~1c) and taxes. Values taken from the settlement rate-design exhibit; verify against the Schedule 1 tariff sheet. Your bill also includes taxes and fuel adjustments that change month to month.

Rate cases

Docket	Status	Filed	Requested	Approved	Effective
24-035-04 (2026 settlement)	Approved	July 1, 2026	4.2% ($93M)	4.2%	July 1, 2026
24-035-04	Approved	June 28, 2024	18%	4.7%	April 25, 2025

24-035-04 (2026 settlement): A settlement approved by the Utah PSC in August 2026 adds $93 million (4.2%) to base rates effective July 1, 2026, about $3.44/month for an average residential customer, with a rate-case stay-out through 2028 and a $2 billion Utah investment commitment. A simultaneous 10.6% energy balancing account decrease (about $11/month) leaves customers with a net bill reduction of roughly 6.4%. Source

24-035-04: Rocky Mountain Power originally sought about 30%, amended to 18%; the Utah PSC order of April 25, 2025 approved a 4.7% increase. RMP appealed and the dispute was resolved by a 2026 settlement (see separate row). Money is for generation, transmission and wildfire costs. Source

Rate history

Rocky Mountain Power's average rate is up 17% since 2020, versus +28% for the U.S. average.

Average residential revenue per kWh, EIA-861. Includes delivery and, where the utility sells it, supply.

Rebates for heat pumps, batteries and EV chargers

We haven't found utility-level rebates for Rocky Mountain Power yet. Check Utah programs or read what's left after the federal credits ended.

About Rocky Mountain Power

Legal name: PacifiCorp (Berkshire Hathaway Energy)
Ownership: Investor Owned
Homes served: 947,246 residential customers (2024)
Grid operator: PACE
Retail choice: No — one bundled rate
Data: EIA-861 2024, released October 7, 2026; rate cases checked October 7, 2026

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