Charging a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) at home in Missouri

A 2026 Rivian R1S All-Terrain Performance Dual Large (20in) 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 62.8% cheaper per mile than gasoline in Missouri — charging at home is much cheaper than gas here.

What a year of driving costs

Missouri owners putting 15,000 annual miles on a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) spend about $895 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,508 saved annually, at this mileage.

Cost of a full charge

At Missouri's rate, fully covering this 2026 Rivian R1S All-Terrain Performance Dual Large (20in)'s 289-mile EPA range costs about $17.24 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S All-Terrain Performance Dual Large (20in) in Missouri, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) in Missouri ranks 9,218 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Performance Dual Large (20in) ranks 345 of 400 EV models for raw efficiency, and Missouri ranks 7 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) at home

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Performance Dual Large (20in)'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.