2026 Rivian R1S All-Terrain Dual Large Plus (20in): home charging cost in Wyoming

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) (rated 46.9 kWh per 100 miles by the EPA) costs $6.51 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: 59.4% 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 2026 Rivian R1S All-Terrain Dual Large Plus (20in) charged at home in Wyoming costs about $976/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,427 a year.

What one full charge costs

A 2026 Rivian R1S All-Terrain Dual Large Plus (20in) needs roughly 136.9 kWh to reach its EPA-rated 292-mile range, which runs about $19 at 13.88¢/kWh in Wyoming.

How this compares nationally

This combination ranks 11,475 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large Plus (20in) alone ranks 365 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain 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 All-Terrain 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.