Charging an EV at home in Rhode Island costs about $78.43 a month for 1,000 miles in a Tesla Model Y Long Range AWD — 7.8¢ a mile, versus 15.6¢ for a 27.2 mpg car on $4.25 gas.
At 29.05¢/kWh — Rhode Island average, Jan–Aug 2026 (EIA). That is 60% above the U.S. average of 18.19¢.
Driving 1,000 miles a month on electricity saves about $933 a year in Rhode Island versus a 27.2 mpg gas car. Maintenance and insurance differences are not included.
| Vehicle | kWh/100 mi | Per month |
|---|---|---|
| Tesla Model Y Standard RWD (18 in) | 24 | $69.72 |
| Tesla Model 3 Standard RWD | 24 | $69.72 |
| Tesla Model 3 Premium AWD | 26 | $75.53 |
| Tesla Model Y Long Range AWD | 27 | $78.43 |
| Tesla Model S | 27 | $78.43 |
| Nissan LEAF 75 kWh (18 in) | 28 | $81.34 |
| Hyundai Ioniq 5 RWD | 30 | $87.15 |
| Chevrolet Equinox EV FWD | 31 | $90.05 |
| Ford Mustang Mach-E RWD Extended | 31 | $90.05 |
| Tesla Model X | 32 | $92.96 |
| Honda Prologue FWD | 33 | $95.87 |
| Kia EV9 Long Range RWD | 38 | $110.39 |
| Tesla Cybertruck AWD | 43 | $124.91 |
| Rivian R1S Dual Large (20 in) | 43 | $124.91 |
| Ford F-150 Lightning ER (last model year) | 48 | $139.44 |
| Vehicle | kWh/100 mi | Per month | Per mile |
|---|---|---|---|
| Tesla Model Y Standard RWD | 24 | $69.72 | 7¢ |
| Tesla Model 3 Standard RWD | 24 | $69.72 | 7¢ |
| Tesla Model 3 Premium AWD | 26 | $75.53 | 7.6¢ |
| Tesla Model Y Long Range AWD | 27 | $78.43 | 7.8¢ |
| Tesla Model S | 27 | $78.43 | 7.8¢ |
| Nissan LEAF 75 kWh | 28 | $81.34 | 8.1¢ |
| Hyundai Ioniq 5 RWD | 30 | $87.15 | 8.7¢ |
| Chevrolet Equinox EV FWD | 31 | $90.05 | 9¢ |
| Ford Mustang Mach-E RWD Extended | 31 | $90.05 | 9¢ |
| Tesla Model X | 32 | $92.96 | 9.3¢ |
| Honda Prologue FWD | 33 | $95.87 | 9.6¢ |
| Kia EV9 Long Range RWD | 38 | $110.39 | 11¢ |
| Tesla Cybertruck AWD | 43 | $124.91 | 12.5¢ |
| Rivian R1S Dual Large | 43 | $124.91 | 12.5¢ |
| Ford F-150 Lightning ER | 48 | $139.44 | 13.9¢ |
1,000 mi × 27 kWh/100 mi = 270 kWh; × 29.05¢ (Rhode Island average, Jan–Aug 2026, EIA) = $78.43. Gas: 1,000 ÷ 27.2 mpg × $4.25 = $156.21.
EIA's state average includes delivery and fixed customer charges spread over every kWh; your marginal cost for extra kWh may be a little lower. Enter your own rate in the calculator.
The full method, material data and tips are on the main ev charging cost calculator page.