What is the average electricity rate in Rock Springs, Montana?

The average residential electricity rate in Rock Springs is approximately 14.38¢/kWh per kWh. The average household pays around $100 per month for electricity.

What is the average natural gas bill in Rock Springs?

Natural gas customers in Rock Springs pay an average of $73 per month. The rate is approximately $0.76/therm per therm.

Which electric company serves Rock Springs, Montana?

Electricity in Rock Springs is distributed by NorthWestern Energy and Montana-Dakota Utilities (MDU). Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves Rock Springs?

Rock Springs natural gas service is provided by NorthWestern Energy and Montana-Dakota Utilities (MDU). Call them directly for new service connections or to report a gas leak.

How do Rock Springs electricity rates compare to Montana averages?

Rock Springs's electricity rate of 14.38¢/kWh is below the Montana state average of 14.67¢/kWh. This can reflect a municipal utility or favorable regional generation mix.

How do I start or stop utility service in Rock Springs?

To start electric service in Rock Springs, contact NorthWestern Energy and Montana-Dakota Utilities (MDU). For gas service, contact NorthWestern Energy and Montana-Dakota Utilities (MDU). You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

Rock Springs, Montana Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in Rock Springs, Montana

In Rock Springs, Montana, NorthWestern Energy handles electricity distribution and NorthWestern Energy manages natural gas service. Montana residents can shop for competitive electricity suppliers through the state's deregulated market to reduce supply costs. As a regulated market, $util0 is the sole electricity provider for $city_name.

Compared to the Montana state average of 14.67¢/kWh/kWh, Rock Springs's electricity rate of 14.38¢/kWh is 0.29¢ below the Montana average. As Montana has a regulated market, your utility is determined by your address.

Electric Utility in Rock Springs

NorthWestern Energy
Montana-Dakota Utilities (MDU)
Flathead Electric Cooperative

Natural Gas Utility in Rock Springs

NorthWestern Energy
Montana-Dakota Utilities (MDU)

Rock Springs vs Montana Energy Rates

Metric	Rock Springs	Montana Average	US Average
Electric Rate (¢/kWh)	14.38¢	14.67¢	16.00¢
Gas Rate ($/therm)	$0.76	$0.78	$1.47
Monthly Electric Bill	$100	$102	$117
Monthly Gas Bill	$73	$74	$73

Energy Assistance Programs for Rock Springs Residents

As a Montana city, Rock Springs residents can access the following state and local assistance programs:

✅ Montana LIHEAP
✅ Montana Weatherization Assistance
✅ Big Sky Energy (Montana LIEAP)
✅ NorthWestern Energy Rebate Programs

Energy-Saving Tips for Rock Springs Residents

✓ Washington's cheap hydroelectric power makes electric heating economical.
✓ Consider an electric heat pump — it's 2-3x more efficient than gas heating.
✓ Use weatherization to protect against cold and wet Pacific Northwest winters.
✓ Seattle City Light and PSE offer rebates for insulation and HVAC upgrades.
✓ Sign up for Washington's Low Income Home Energy Assistance Program (LIHEAP).

FAQ — Gas & Electricity in Rock Springs, Montana

The average residential electricity rate in Rock Springs is approximately 14.38¢/kWh per kWh. The average household pays around $100 per month for electricity.
Natural gas customers in Rock Springs pay an average of $73 per month. The rate is approximately $0.76/therm per therm.
Electricity in Rock Springs is distributed by NorthWestern Energy and Montana-Dakota Utilities (MDU). Contact your provider at your local service address to confirm which utility serves your home.
Rock Springs natural gas service is provided by NorthWestern Energy and Montana-Dakota Utilities (MDU). Call them directly for new service connections or to report a gas leak.
Rock Springs's electricity rate of 14.38¢/kWh is below the Montana state average of 14.67¢/kWh. This can reflect a municipal utility or favorable regional generation mix.
To start electric service in Rock Springs, contact NorthWestern Energy and Montana-Dakota Utilities (MDU). For gas service, contact NorthWestern Energy and Montana-Dakota Utilities (MDU). You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.