What it costs to charge a 2026 Rivian R1T Dual Large Plus (22in) in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Rivian R1T Dual Large Plus (22in)'s EPA-rated 40.9 kWh/100mi against that and 100 miles costs $5.86, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 63.4% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Rivian R1T Dual Large Plus (22in) in South Dakota runs about $879 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,524 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Large Plus (22in), in dollars

$19.34 — that's what South Dakota's 14.33¢/kWh rate puts on the 135 kWh a 2026 Rivian R1T Dual Large Plus (22in) needs for its full 330-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large Plus (22in) in South Dakota ranks 8,778 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large Plus (22in) ranks 280 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 Rivian R1T Dual Large Plus (22in) 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.

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. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.