2026 Rivian R1S Performance Dual Large (22in): home charging cost in Wyoming

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Rivian R1S Performance Dual Large (22in) (rated 39.5 kWh per 100 miles by the EPA) costs $5.48 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 costs a fraction of what gas would here: 65.8% less than gas per mile, here specifically.

2026 Rivian R1S Performance Dual Large (22in): yearly cost in Wyoming

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large (22in) charged at home in Wyoming costs about $822/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,581 a year.

What one full charge costs

A 2026 Rivian R1S Performance Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $18.03 at 13.88¢/kWh in Wyoming.

2026 Rivian R1S Performance Dual Large (22in) in Wyoming, ranked

This combination ranks 6,897 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (22in) alone ranks 251 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.

Before you install a home charger in Wyoming

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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Wyoming's 13.88¢/kWh compares? The guide to charging cost by state ranks every state side by side.