EV Charging Cost in Maine (2026)
Home rate: 22.8¢/kWh (6.7¢ above the national average). Charging 12,000 mi/yr at home costs $720. Public DC fast charging costs $1178 for the same miles.
Charging Costs in Maine by Method
| Charging Method | Rate (¢/kWh) | Cost Per Mile | 12,000 mi/yr |
|---|---|---|---|
| Home Level 2 | 22.8¢ | 6.0¢ | $720 |
| Public Level 2 | 57.0¢ | 15.0¢ | $1800 |
| DC Fast Charging | 37.3¢ | 9.8¢ | $1178 |
| Typical Mix (80% home / 15% L2 / 5% DCFC) | – | 7.5¢ | $905 |
| Gas Car (28 MPG) | $3.38/gal | 12.1¢ | $1449 |
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 Maine.
EV vs Gas in Maine: Fuel Cost Comparison
EV Charging in Maine: What to Know
Maine's residential electricity rate of 22.8¢/kWh is 6.7¢ above the national average of 16.1¢/kWh. That's a reasonable rate for EV ownership — home charging will still save you significantly over gas.
At 6.0¢ per mile for home charging versus 12.1¢ per mile for a 28 MPG gas car at current Maine gas prices ($3.38/gallon), the per-mile gap is 6.1¢. Over 12,000 miles per year, that's $729 in favor of the EV.
Most Maine 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 Maine
| Network | DC Fast (¢/kWh) | vs Home |
|---|---|---|
| Tesla Supercharger | 28¢–48¢ | 67% more |
| Electrify America | 25¢–48¢ | 60% more |
| EVgo | 37¢–55¢ | 102% more |
| ChargePoint | 15¢–49¢ | Varies by owner |
Network rates as of Q1 2026. Home rate: 22.8¢/kWh. "vs Home" uses network midpoint rate vs Maine's residential average. See the full charging cost comparison →
Frequently Asked Questions
How much does it cost to charge an EV in Maine?
Home charging in Maine costs 22.8¢/kWh. For a typical EV (3.8 mi/kWh), that's 6.0¢ per mile. Driving 12,000 miles per year costs about $720 at home. Public DC fast charging runs about $1178 for the same miles.
Is Maine a good state for EV ownership?
Maine's electricity rate of 22.8¢/kWh is above the national average (16.1¢), which reduces the fuel savings advantage EVs typically offer. Time-of-use rates from your utility can close this gap.
How much does EV charging save vs gas in Maine?
At $3.38/gallon (#{@state[:name]} average), a 28 MPG gas car costs $1449/year for 12,000 miles. An EV charged at home costs $720. Home charging saves $729/year — $3,645 over 5 years, before accounting for maintenance savings.
Compare Other States
Data Sources
Residential electricity rate for Maine: 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.