Charging a 2026 Tesla Model 3 Standard RWD at home in South Dakota

A 2026 Tesla Model 3 Standard RWD draws 24.3 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $3.48 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 78.3% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.

2026 Tesla Model 3 Standard RWD: yearly cost in South Dakota

South Dakota owners putting 15,000 annual miles on a 2026 Tesla Model 3 Standard RWD spend about $522 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,881 saved annually, at this mileage.

Cost of a full charge

At South Dakota's rate, fully covering this 2026 Tesla Model 3 Standard RWD's 321-mile EPA range costs about $11.18 (78 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in South Dakota ranks 155 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Standard RWD ranks 2 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Before you install a home charger in South Dakota

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 South Dakota electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model 3 Standard RWD's cost in South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.