What it costs to charge a 2026 Volvo EC40 in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Volvo EC40's EPA-rated 31.7 kWh/100mi against that and 100 miles costs $4.54, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 71.7% 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

Home charging this 2026 Volvo EC40 in South Dakota runs about $681 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,722 saved annually, at this mileage.

Cost of a full charge

$13.53 — that's what South Dakota's 14.33¢/kWh rate puts on the 94.4 kWh a 2026 Volvo EC40 needs for its full 298-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EC40 in South Dakota ranks 2,558 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EC40 ranks 82 of 400 EV models for raw efficiency, and South Dakota ranks 14 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Volvo EC40's cost in South Dakota. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.