Wyoming home charging cost for the 2026 Rivian R1S Dual Large Plus (20in)

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Rivian R1S Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $5.99 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: 62.6% less than gas per mile, here specifically.

2026 Rivian R1S Dual Large Plus (20in): yearly cost in Wyoming

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Dual Large Plus (20in) costs roughly $898 a year to charge at home in Wyoming, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,505 a year.

What one full charge costs

Covering the 2026 Rivian R1S Dual Large Plus (20in)'s EPA-rated 317-mile range takes about 136.7 kWh, which costs about $18.97 at Wyoming'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 9,438 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Large Plus (20in) alone ranks 327 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Dual Large Plus (20in) 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.

Get quotes from local electricians for Level 2 charger installation in Wyoming before deciding.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Large Plus (20in)'s cost in Wyoming. At 13.88¢/kWh, Wyoming sits in the middle of the national range — the guide to why charging cost varies by state shows where.