Charging a 2026 Volvo EX30 Twin Performance at home in South Dakota
At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Volvo EX30 Twin Performance (rated 31.1 kWh per 100 miles by the EPA) costs $4.45 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 72.2% 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 Volvo EX30 Twin Performance spend about $668 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,735 saved annually, at this mileage.
What one full charge costs
At South Dakota's rate, fully covering this 2026 Volvo EX30 Twin Performance's 253-mile EPA range costs about $11.26 (78.6 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Volvo EX30 Twin Performance in South Dakota, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EX30 Twin Performance in South Dakota ranks 2,274 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX30 Twin Performance ranks 74 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 Volvo EX30 Twin Performance'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.