2026 Rivian R1S All-Terrain Performance Dual Max (20in): home charging cost in Colorado
At Colorado's residential electricity rate of 16.65¢/kWh, a 2026 Rivian R1S All-Terrain Performance Dual Max (20in) (rated 43.2 kWh per 100 miles by the EPA) costs $7.2 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: 55.1% less than gas per mile, here specifically.
2026 Rivian R1S All-Terrain Performance Dual Max (20in): yearly cost in Colorado
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S All-Terrain Performance Dual Max (20in) charged at home in Colorado costs about $1,080/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,323 a year.
Filling up the 2026 Rivian R1S All-Terrain Performance Dual Max (20in), in dollars
A 2026 Rivian R1S All-Terrain Performance Dual Max (20in) needs roughly 159.9 kWh to reach its EPA-rated 370-mile range, which runs about $26.63 at 16.65¢/kWh in Colorado.
Where this ranks
This combination ranks 13,519 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Max (20in) alone ranks 334 of 400 models for efficiency; Colorado alone ranks 30 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1S All-Terrain Performance Dual Max (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.
Line up a few Colorado electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Colorado's 16.65¢/kWh compares? The guide to charging cost by state ranks every state side by side.