Charging a 2026 Tesla Model 3 Premium RWD at home in Wyoming

In Wyoming, home electricity runs 13.88¢/kWh — put a 2026 Tesla Model 3 Premium RWD's EPA-rated 24.6 kWh/100mi against that and 100 miles costs $3.42, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 78.7% cheaper per mile than gasoline in Wyoming — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Wyoming owners putting 15,000 annual miles on a 2026 Tesla Model 3 Premium RWD spend about $513 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,890 saved annually, at this mileage.

Filling up the 2026 Tesla Model 3 Premium RWD, in dollars

At Wyoming's rate, fully covering this 2026 Tesla Model 3 Premium RWD's 363-mile EPA range costs about $12.41 (89.4 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 RWD in Wyoming ranks 117 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Premium RWD ranks 4 of 400 EV models for raw efficiency, and Wyoming ranks 12 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Tesla Model 3 Premium RWD at home

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.

Get quotes from local electricians for Level 2 charger installation in Wyoming before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Wyoming's 13.88¢/kWh compares? The guide to charging cost by state ranks every state side by side.