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

A 2026 Rivian R1T Dual Standard (22in) draws 39.9 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $5.72 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 64.3% 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 Dual Standard (22in) costs roughly $857 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 $1,546 a year.

What one full charge costs

Covering the 2026 Rivian R1T Dual Standard (22in)'s EPA-rated 270-mile range takes about 107.7 kWh, which costs about $15.43 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 Dual Standard (22in) in South Dakota, ranked

This combination ranks 8,104 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Standard (22in) alone ranks 263 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Before you install a home charger in South Dakota

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. 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.