EV vs Gas Cost Per Mile in New Hampshire (2026)
At 25.4¢/kWh electricity and $3.35/gallon gas, EVs cost 6.68¢/mile vs 11.96¢/mile for a 28 MPG gas car — 44% less per mile. That's $634/year savings on 12,000 miles.
Cost Per Mile: EV vs Gas in New Hampshire
| Vehicle Type | Fuel Cost | Efficiency | Cost Per Mile | 12,000 mi/yr |
|---|---|---|---|---|
| EV (home charging) | 25.4¢/kWh | 3.8 mi/kWh | 6.68¢ | $802 |
| Gas car (28 MPG) | $3.35/gal | 28 MPG | 11.96¢ | $1436 |
EV assumes 3.8 mi/kWh (Tesla Model 3 / Equinox EV efficiency range), 12,000 miles/year, 100% home charging. Electricity rate: EIA 2025 residential average for New Hampshire. Gas price: AAA 2024 state average.
Annual Fuel Cost in New Hampshire: EV vs Gas
EV Cost Per Mile in New Hampshire: What the Numbers Mean
New Hampshire's residential electricity rate of 25.4¢/kWh translates to 6.68¢ per mile for home charging, assuming 3.8 miles per kWh. Higher electricity rates in New Hampshire mean EV fuel costs more than in most states, though the per-mile advantage over gas still holds in most scenarios.
At $3.35/gallon (#{@state[:name]} average), a 28 MPG gas car costs 11.96¢ per mile. The per-mile gap between EV and gas is 5.28¢ — 44% cheaper for the EV. Over 12,000 miles per year, that's $634 saved.
Most New Hampshire utilities offer time-of-use (TOU) rates for overnight EV charging that can reduce the home rate by 2–5¢/kWh. If you charge overnight, ask your utility — even small rate reductions compound over 12,000+ miles per year.
New Hampshire vs National Average: Cost Per Mile
| Location | Electricity Rate | EV ¢/mile | Gas ¢/mile | EV Advantage |
|---|---|---|---|---|
| New Hampshire | 25.4¢/kWh | 6.68¢ | 11.96¢ | 44% less |
| National Average | 16.1¢/kWh | 4.24¢ | 11.43¢ | 63% less |
Frequently Asked Questions
What is the EV cost per mile in New Hampshire?
At New Hampshire's residential electricity rate of 25.4¢/kWh, a typical EV (3.8 miles per kWh) costs 6.68¢ per mile to charge at home. Driving 12,000 miles per year costs $802 in fuel.
How does New Hampshire compare to the national average for EV cost per mile?
The national average EV home charging cost is 4.24¢/mile (at 16.1¢/kWh). New Hampshire's rate of 25.4¢/kWh puts its EV cost at 6.68¢/mile — 2.44¢ above the national average. EVs still beat gas here, but by a smaller margin than low-rate states.
How much does an EV save per mile vs gas in New Hampshire?
In New Hampshire, a 28 MPG gas car at $3.35/gallon costs 11.96¢/mile. An EV costs 6.68¢/mile at home. The per-mile savings is 5.28¢ — 44% less per mile. Over 12,000 miles per year, that's $634 saved annually in fuel.
Does cost per mile include maintenance?
These figures cover fuel only. Adding maintenance, the EV advantage grows further. Gas cars average $1,200–$1,500/year in maintenance (oil changes, transmission, spark plugs). EVs average $400–$900/year. At 12,000 miles/year, total running costs in New Hampshire: gas car approximately 22.0–24.0¢/mile all-in vs 10.7–13.7¢/mile for an EV.
EV Cost Per Mile in Other States
Data Sources
Electricity rate for New Hampshire: 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). Last updated: March 2026.