Charging a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) at home in South Dakota

A 2026 Rivian R1T All-Terrain Performance Dual Large (20in) draws 44.4 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $6.36 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 60.3% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

2026 Rivian R1T All-Terrain Performance Dual Large (20in): yearly cost in South Dakota

South Dakota owners putting 15,000 annual miles on a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) spend about $954 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,449 saved annually, at this mileage.

Cost of a full charge

At South Dakota's rate, fully covering this 2026 Rivian R1T All-Terrain Performance Dual Large (20in)'s 289-mile EPA range costs about $18.37 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T All-Terrain Performance Dual Large (20in) in South Dakota, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) in South Dakota ranks 10,919 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Performance Dual Large (20in) ranks 347 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 All-Terrain Performance Dual Large (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.

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 Rivian R1T All-Terrain Performance Dual Large (20in)'s cost in South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.