Charging a 2026 Tesla Model 3 Premium RWD at home in Arizona
At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Tesla Model 3 Premium RWD (rated 24.6 kWh per 100 miles by the EPA) costs $3.81 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 76.2% cheaper per mile than gasoline in Arizona — charging at home costs a fraction of what gas would here.
2026 Tesla Model 3 Premium RWD: yearly cost in Arizona
Arizona owners putting 15,000 annual miles on a 2026 Tesla Model 3 Premium RWD spend about $571 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,832 saved annually, at this mileage.
What one full charge costs
At Arizona's rate, fully covering this 2026 Tesla Model 3 Premium RWD's 363-mile EPA range costs about $13.82 (89.4 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Tesla Model 3 Premium RWD in Arizona, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Premium RWD in Arizona ranks 541 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 Arizona ranks 25 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.
Ask a licensed Arizona electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.