What Does It Cost to Run a Space Heater in Montana?
This page estimates the energy-only cost to run a space heater in Montana using a plug-in electric resistance space heater, an average load of 1,500 watts, and a typical runtime of 4 hours/day.
Key metrics
| Metric | Value |
|---|---|
| Average wattage assumption | 1,500 W |
| Typical usage assumption | 4 hours/day |
| Estimated monthly electricity use | 180.0 kWh |
| Estimated monthly cost | $23.99 |
| Estimated yearly cost | $291.93 |
Space Heater cost vs U.S. average
At the statewide average residential rate, running a space heater in Montana costs less per month by $8.84 than the same usage pattern priced at the current U.S. average electricity rate.
How much electricity does a space heater use?
This estimate uses a typical wattage range of 750-1,500 W and a modeling assumption of 1,500 watts for 4 hours/day. Using the formula kWh = (watts × hours) / 1000, that works out to 6.00 kWh per day, 180.0 kWh per 30-day month, and 2190.0 kWh per year.
Most space heaters draw close to their rated wattage when actively heating, which makes them one of the more expensive household appliances to run. In Montana, that energy is priced using the statewide residential average of 13.33 ¢/kWh, with a national benchmark of 18.24 ¢/kWh for comparison.
Space Heater operating cost estimate in Montana
| Time period | Energy use | Cost |
|---|---|---|
| Per hour | 1.50 kWh | $0.20 |
| Per day | 6.00 kWh | $0.80 |
| Per month | 180.0 kWh | $23.99 |
| Per year | 2190.0 kWh | $291.93 |
These estimates isolate electricity usage only. Real utility bills can be higher because delivery charges, taxes, seasonal pricing, and fixed monthly fees are not included in this appliance model.
What changes the cost the most?
The biggest cost drivers for a space heater are the local electricity rate and real-world usage intensity. For this appliance, the main swing factors are thermostat cycling, room insulation, outdoor temperature.
If your usage is lighter or heavier than the assumption on this page, the linked state calculator and usage-cost pages below are the fastest way to model a custom scenario with the same state electricity rate.
For calculator-style comparisons, use the Space Heater calculator in Montana to compare light, typical, and heavy usage profiles.
Comparison entry points
The energy comparison hub links appliance, state, and usage pages so you can browse related comparisons from one place. The main appliance cost reference for this state remains this page.
Related appliance cost pages for Montana
- Window AC cost in Montana — Typical 500-1,500 W estimate with state-specific pricing
- Portable AC cost in Montana — Typical 700-1,400 W estimate with state-specific pricing
- Central AC cost in Montana — Typical 2,000-5,000 W estimate with state-specific pricing
- Air Purifier cost in Montana — Typical 25-100 W estimate with state-specific pricing
State cost and bill pathways for Montana
- Average power price in Montana — Residential rate benchmark used in scenario estimates
- Montana electricity overview — Core authority page with statewide pricing context
- Electricity cost in Montana — State-level cost, affordability, and value overview
- Montana monthly electricity bill estimate — Bill-focused context for household usage
- Electric bill estimator scenarios in Montana — Household profile bill scenarios with fixed monthly kWh assumptions
- Montana data profile — Machine-readable state profile and metrics
Historical and trend pages
- Historical electricity prices in Montana — Historical context and trend interpretation
- Electricity inflation in Montana — State electricity inflation analysis
- Montana electricity price volatility — Volatility and rate movement profile
Fixed-usage and calculator pathways
- 500 kWh cost in Montana — Usage-tier estimate for the same state
- 1,000 kWh cost in Montana — Usage-tier estimate for the same state
- Electricity cost for 1,500 kWh in Montana — Usage-tier estimate for the same state
- Custom usage calculator for Montana — Custom kWh and scenario cost calculation
Appliance and estimator pathways
- Refrigerator cost in Montana — Appliance operating-cost page for this state
- Refrigerator calculator in Montana — Calculator page for adjusting wattage and usage for this appliance
- Space Heater cost in Montana — Appliance operating-cost page for this state
- Space Heater calculator in Montana — Calculator page for adjusting wattage and usage for this appliance
- Window Ac cost in Montana — Appliance operating-cost page for this state
- Window Ac calculator in Montana — Calculator page for adjusting wattage and usage for this appliance
State comparison pathways for Montana
- Compare Montana with other states — State-to-state comparison hub
- Montana vs California electricity cost — Head-to-head comparison page
- Montana vs Florida electricity cost — Head-to-head comparison page
Discovery and navigation hubs
- Montana electricity hub — Guide to this state's electricity rate, usage, comparison, and tool pages
- Electricity cost scenario hub — Entry point for residential and industry scenario pages
- Montana electricity cost overview — State-level electricity cost page with rates and typical bill context
- Montana average electricity bill benchmark — Typical monthly bill estimate using a standard household usage assumption
- Montana electricity bill estimator — Household profile bill scenarios for this state
- Electricity usage hubs — Browse cost pages by common household usage tiers
Consumer electricity drivers
- Price drivers in Montana — Understand what influences state electricity prices
Source & Method
Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: February 2026. Estimates are energy-only and exclude delivery charges, taxes, and fixed utility fees. For how rates and estimates are defined, see the methodology hub.