What it costs to charge a 2026 Tesla Model 3 Premium AWD in Connecticut

A 2026 Tesla Model 3 Premium AWD draws 26.4 kWh per 100 miles per the EPA; at Connecticut's 28.82¢/kWh residential rate that's $7.6 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 52.5% cheaper per mile than gasoline in Connecticut — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Tesla Model 3 Premium AWD in Connecticut runs about $1,140 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,263 saved annually, at this mileage.

What one full charge costs

$26.3 — that's what Connecticut's 28.82¢/kWh rate puts on the 91.3 kWh a 2026 Tesla Model 3 Premium AWD needs for its full 346-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Premium AWD in Connecticut ranks 14,370 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Premium AWD ranks 12 of 400 EV models for raw efficiency, and Connecticut ranks 45 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Connecticut electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model 3 Premium AWD's cost in Connecticut. Connecticut's 28.82¢/kWh rate ranks 45 of 51 states; the state rate guide lays out the full spread.