2026 Rivian R1T Quad Max (22in UHP): home charging cost in South Dakota
At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Rivian R1T Quad Max (22in UHP) (rated 47.3 kWh per 100 miles by the EPA) costs $6.78 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: 57.6% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Quad Max (22in UHP) charged at home in South Dakota costs about $1,018/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,385 a year.
What one full charge costs
A 2026 Rivian R1T Quad Max (22in UHP) needs roughly 160 kWh to reach its EPA-rated 338-mile range, which runs about $22.93 at 14.33¢/kWh in South Dakota.
How this compares nationally
This combination ranks 12,455 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Quad Max (22in UHP) alone ranks 374 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1T Quad Max (22in UHP) at home
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
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.