EV vs Gas Savings in Hawaii (2026)
Hawaii electricity averages 40.5¢/kWh and gas runs $4.52/gallon. Driving an EV 12,000 miles costs $1389/year in fuel. A 30 MPG gas car costs $1808/year.
Annual savings
$419
per year
5-year savings
$2,095
fuel only
EV fuel/yr
$1,389
40.5¢/kWh
Gas fuel/yr
$1,808
$4.52/gal
Hawaii trails the national average
The national average EV fuel savings is $728/year. Hawaii comes in $309/year lower. Expensive electricity (40.5¢/kWh vs 16.1¢ national average) cuts into the savings.
Hawaii EV vs gas: the full cost breakdown
| EV | Gas car | |
|---|---|---|
| Fuel rate | 40.5¢/kWh | $4.52/gal |
| Efficiency | 3.5 mi/kWh | 30 MPG |
| Annual fuel cost (12,000 mi) | $1,389 | $1,808 |
| 5-year fuel cost | $6,945 | $9,040 |
| EV fuel savings | $419/yr · $2,095 over 5 years | |
12,000 mi/yr · 3.5 mi/kWh EV · 30 MPG gas car · 2026 EIA and GasBuddy data · home charging only
Electricity: 40.5¢/kWh
24.4¢ above the national average of 16.1¢/kWh. At this rate, charging a 75 kWh battery pack from empty costs $30.38.
Source: EIA 2026 residential rates
Gas: $4.52/gallon
$1.32 above the national average of $3.2/gal. Filling a 15-gallon tank costs $67.8 in Hawaii.
Source: GasBuddy 2026 state averages
More EV data for Hawaii