Charging a 2026 Tesla Model S at home in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Tesla Model S's EPA-rated 27.1 kWh/100mi against that and 100 miles costs $3.89, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 75.7% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

South Dakota owners putting 15,000 annual miles on a 2026 Tesla Model S spend about $583 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,820 saved annually, at this mileage.

What one full charge costs

At South Dakota's rate, fully covering this 2026 Tesla Model S's 410-mile EPA range costs about $15.94 (111.2 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 S in South Dakota ranks 714 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S ranks 20 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Tesla Model S 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 South Dakota before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.