EV Charging Cost in Montana (2026)
Home rate: 11.5¢/kWh (4.6¢ below the national average). Charging 12,000 mi/yr at home costs $363. Public DC fast charging costs $1074 for the same miles.
Charging Costs in Montana by Method
| Charging Method | Rate (¢/kWh) | Cost Per Mile | 12,000 mi/yr |
|---|---|---|---|
| Home Level 2 | 11.5¢ | 3.0¢ | $363 |
| Public Level 2 | 28.8¢ | 7.6¢ | $909 |
| DC Fast Charging | 34.0¢ | 8.9¢ | $1074 |
| Typical Mix (80% home / 15% L2 / 5% DCFC) | – | 4.0¢ | $481 |
| Gas Car (28 MPG) | $3.32/gal | 11.9¢ | $1423 |
Assumes 3.8 mi/kWh EV efficiency, 12,000 miles/year. Public L2 and DCFC rates estimated from regional network pricing. Home rate: EIA 2025 residential average for Montana.
EV vs Gas in Montana: Fuel Cost Comparison
EV Charging in Montana: What to Know
Montana's residential electricity rate of 11.5¢/kWh is 4.6¢ below the national average of 16.1¢/kWh. That puts Montana among the cheapest states for EV charging — you'll save more on fuel here than most EV owners nationwide.
At 3.0¢ per mile for home charging versus 11.9¢ per mile for a 28 MPG gas car at current Montana gas prices ($3.32/gallon), the per-mile gap is 8.9¢. Over 12,000 miles per year, that's $1060 in favor of the EV.
Most Montana utilities offer time-of-use rates that can reduce overnight charging costs below the residential average. If you charge overnight (midnight to 6am), ask your utility about EV or off-peak rates. Even a few cents per kWh savings adds up to $100–$200/year for average EV drivers.
Public Charging Networks in Montana
| Network | DC Fast (¢/kWh) | vs Home |
|---|---|---|
| Tesla Supercharger | 28¢–48¢ | 230% more |
| Electrify America | 25¢–48¢ | 217% more |
| EVgo | 37¢–55¢ | 300% more |
| ChargePoint | 15¢–49¢ | Varies by owner |
Network rates as of Q1 2026. Home rate: 11.5¢/kWh. "vs Home" uses network midpoint rate vs Montana's residential average. See the full charging cost comparison →
Frequently Asked Questions
How much does it cost to charge an EV in Montana?
Home charging in Montana costs 11.5¢/kWh. For a typical EV (3.8 mi/kWh), that's 3.0¢ per mile. Driving 12,000 miles per year costs about $363 at home. Public DC fast charging runs about $1074 for the same miles.
Is Montana a good state for EV ownership?
Montana's electricity rate of 11.5¢/kWh is below the national average (16.1¢), which makes it one of the better states for EV charging costs. The lower your electricity rate, the greater the fuel savings advantage over gas.
How much does EV charging save vs gas in Montana?
At $3.32/gallon (#{@state[:name]} average), a 28 MPG gas car costs $1423/year for 12,000 miles. An EV charged at home costs $363. Home charging saves $1060/year — $5,300 over 5 years, before accounting for maintenance savings.
Compare Other States
Data Sources
Residential electricity rate for Montana: U.S. Energy Information Administration (EIA) Electric Power Monthly, 2025 residential averages. Gas price: AAA 2024 state average. EV efficiency: 3.8 mi/kWh (Tesla Model 3 / Chevy Equinox EV range). Public charging network rates: Q1 2026 network pricing. Last updated: March 2026.