2026 Rivian R1S Quad Max (22in UHP): home charging cost in Missouri
At Missouri's residential electricity rate of 13.45¢/kWh, a 2026 Rivian R1S Quad Max (22in UHP) (rated 47.3 kWh per 100 miles by the EPA) costs $6.37 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 is much cheaper than gas here: 60.2% less than gas per mile, here specifically.
2026 Rivian R1S Quad Max (22in UHP): yearly cost in Missouri
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Quad Max (22in UHP) charged at home in Missouri costs about $955/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,448 a year.
Filling up the 2026 Rivian R1S Quad Max (22in UHP), in dollars
A 2026 Rivian R1S Quad Max (22in UHP) needs roughly 160 kWh to reach its EPA-rated 338-mile range, which runs about $21.52 at 13.45¢/kWh in Missouri.
2026 Rivian R1S Quad Max (22in UHP) in Missouri, ranked
This combination ranks 11,000 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Quad Max (22in UHP) alone ranks 373 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
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Quad Max (22in UHP)'s cost in Missouri. At 13.45¢/kWh, Missouri sits in the middle of the national range — the guide to why charging cost varies by state shows where.