Charging a 2026 Tesla Model 3 Premium AWD at home in Colorado

A 2026 Tesla Model 3 Premium AWD draws 26.4 kWh per 100 miles per the EPA; at Colorado's 16.65¢/kWh residential rate that's $4.39 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 72.6% cheaper per mile than gasoline in Colorado — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Colorado owners putting 15,000 annual miles on a 2026 Tesla Model 3 Premium AWD spend about $659 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,744 saved annually, at this mileage.

Cost of a full charge

At Colorado's rate, fully covering this 2026 Tesla Model 3 Premium AWD's 346-mile EPA range costs about $15.19 (91.3 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Premium AWD in Colorado ranks 1,994 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 Colorado ranks 30 of 51 for cheapest residential electricity.

Before you install a home charger in Colorado

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 Colorado electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Colorado's 16.65¢/kWh rate ranks 30 of 51 states; the state rate guide lays out the full spread.