Missouri home charging cost for the 2026 Rivian R1S Performance Dual Max (22in)
At Missouri's residential electricity rate of 13.45¢/kWh, a 2026 Rivian R1S Performance Dual Max (22in) (rated 39.9 kWh per 100 miles by the EPA) costs $5.37 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: 66.5% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Performance Dual Max (22in) costs roughly $806 a year to charge at home in Missouri, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,597 a year.
Cost of a full charge
Covering the 2026 Rivian R1S Performance Dual Max (22in)'s EPA-rated 410-mile range takes about 163.7 kWh, which costs about $22.02 at Missouri's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 6,307 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Max (22in) alone ranks 266 of 400 models for efficiency; Missouri alone ranks 7 of 51 states for electricity price.
Before you install a home charger in Missouri
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.
Ask a licensed Missouri electrician to quote the install before this math becomes a real decision.
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.