Charging a 2026 Mercedes-Benz EQE 320 Plus at home in South Dakota
In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Mercedes-Benz EQE 320 Plus's EPA-rated 35.6 kWh/100mi against that and 100 miles costs $5.11, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 68.1% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.
What a year of driving costs
South Dakota owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQE 320 Plus spend about $766 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,637 saved annually, at this mileage.
Filling up the 2026 Mercedes-Benz EQE 320 Plus, in dollars
At South Dakota's rate, fully covering this 2026 Mercedes-Benz EQE 320 Plus's 308-mile EPA range costs about $15.72 (109.7 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 Mercedes-Benz EQE 320 Plus in South Dakota ranks 5,060 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQE 320 Plus ranks 161 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
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.