2026 Rivian R1S Performance Dual Large Plus (20in): home charging cost in Missouri

At Missouri's residential electricity rate of 13.45¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $5.8 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: 63.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large Plus (20in) charged at home in Missouri costs about $870/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,533 a year.

Filling up the 2026 Rivian R1S Performance Dual Large Plus (20in), in dollars

A 2026 Rivian R1S Performance Dual Large Plus (20in) needs roughly 136.7 kWh to reach its EPA-rated 317-mile range, which runs about $18.39 at 13.45¢/kWh in Missouri.

How this compares nationally

This combination ranks 8,475 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large Plus (20in) alone ranks 328 of 400 models for efficiency; Missouri alone ranks 7 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) 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 Missouri electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Missouri's 13.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.