South Dakota home charging cost for the 2026 Rivian R1T All-Terrain Dual Large (20in)

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Rivian R1T All-Terrain Dual Large (20in) (rated 44.4 kWh per 100 miles by the EPA) costs $6.36 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. Charging at home is much cheaper than gas here: 60.3% less than gas per mile, here specifically.

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

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T All-Terrain Dual Large (20in) costs roughly $954 a year to charge at home in South Dakota, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,449 a year.

Cost of a full charge

Covering the 2026 Rivian R1T All-Terrain Dual Large (20in)'s EPA-rated 289-mile range takes about 128.2 kWh, which costs about $18.37 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 10,918 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Large (20in) alone ranks 346 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.