2027 Rivian R1S Performance (20in AT): home charging cost in Missouri

A 2027 Rivian R1S Performance (20in AT) draws 49.8 kWh per 100 miles per the EPA; at Missouri's 13.45¢/kWh residential rate that's $6.7 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: 58.2% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Performance (20in AT) charged at home in Missouri costs about $1,005/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,398 a year.

Filling up the 2027 Rivian R1S Performance (20in AT), in dollars

A 2027 Rivian R1S Performance (20in AT) needs roughly 164 kWh to reach its EPA-rated 329-mile range, which runs about $22.05 at 13.45¢/kWh in Missouri.

2027 Rivian R1S Performance (20in AT) in Missouri, ranked

This combination ranks 12,160 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance (20in AT) alone ranks 386 of 400 models for efficiency; Missouri alone ranks 7 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Performance (20in AT) 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.

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 2027 Rivian R1S Performance (20in AT)'s cost in Missouri. Curious how Missouri's 13.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.