South Dakota home charging cost for the 2026 Rivian R1T Performance Dual Max (22in)

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Rivian R1T Performance Dual Max (22in) (rated 38.8 kWh per 100 miles by the EPA) costs $5.57 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 costs a fraction of what gas would here: 65.3% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T Performance Dual Max (22in) costs roughly $835 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 $1,568 a year.

What one full charge costs

Covering the 2026 Rivian R1T Performance Dual Max (22in)'s EPA-rated 420-mile range takes about 163.1 kWh, which costs about $23.38 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1T Performance Dual Max (22in) in South Dakota, ranked

This combination ranks 7,287 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Max (22in) alone ranks 235 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 Performance Dual Max (22in) 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.

Line up a few South Dakota electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.