EV vs Gas in Connecticut: Yearly Cost (2026)
An electric car in Connecticut costs about $1,051 a year to run (no state EV fee), compared with $1,700 of gas for a 30 mpg car – the EV saves about $649 a year (28 of 51 for EV savings).
12,000 mi/yr, 3.5 mi/kWh, 85% home charging at 24.16¢/kWh, gas $4.25/gal (New England (PADD 1A) average). Change any number below.
Connecticut EV registration fee
| Battery-electric (BEV) | None |
| Plug-in hybrid (PHEV) | None |
No EV registration surcharge.
Source: taxfoundation.org, checked October 24, 2026.
Charging at home vs public chargers
Charging only at home, the EV would cost about $920 a year in Connecticut. Every 10% of miles moved to public fast chargers (about $0.48/kWh) adds roughly $87 a year. See the cost per charge for popular models in EV charging cost in Connecticut.
Nearby states
- Maine: EV $1,318 vs gas $1,700 a year
- Massachusetts: EV $1,256 vs gas $1,681 a year
- New Hampshire: EV $1,230 vs gas $1,700 a year
- Rhode Island: EV $1,384 vs gas $1,700 a year
- Vermont: EV $1,126 vs gas $1,700 a year
Frequently asked questions
Is an EV cheaper than gas in Connecticut?
Yes. Driving 12,000 miles a year, an EV costs about $1,051 ($1,051 of electricity) versus $1,700 of gas for a 30 mpg car – a difference of $649 a year.
How much is the EV registration fee in Connecticut?
Connecticut has no extra EV registration fee in 2026. No EV registration surcharge.
What gas price makes an EV and a gas car cost the same in Connecticut?
About $2.63 a gallon for a 30 mpg car, counting charging and the EV fee. Gas is currently $4.25 (New England (PADD 1A) average).
Electricity: EIA Electric Power Monthly (July 2026). Gasoline: EIA weekly retail prices, week of 2026-10-19. Estimates only; excludes purchase price, insurance and maintenance.