What it costs to charge a 2026 Rivian R1T Dual Max (20in) in South Dakota

A 2026 Rivian R1T Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $6.01 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.5% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

2026 Rivian R1T Dual Max (20in): yearly cost in South Dakota

Home charging this 2026 Rivian R1T Dual Max (20in) in South Dakota runs about $902 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,501 saved annually, at this mileage.

Cost of a full charge

$22.86 — that's what South Dakota's 14.33¢/kWh rate puts on the 159.5 kWh a 2026 Rivian R1T Dual Max (20in) needs for its full 380-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Max (20in) in South Dakota ranks 9,492 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Max (20in) ranks 300 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 Max (20in) 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.