What it costs to charge a 2027 Rivian R1S Quad (22in) in Missouri

A 2027 Rivian R1S Quad (22in) draws 44.4 kWh per 100 miles per the EPA; at Missouri's 13.45¢/kWh residential rate that's $5.97 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.7% cheaper per mile than gasoline in Missouri — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Quad (22in) in Missouri runs about $895 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,508 saved annually, at this mileage.

What one full charge costs

$22.32 — that's what Missouri's 13.45¢/kWh rate puts on the 166 kWh a 2027 Rivian R1S Quad (22in) needs for its full 374-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in) in Missouri ranks 9,312 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in) ranks 348 of 400 EV models for raw efficiency, and Missouri ranks 7 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

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.