What it costs to charge a 2026 Rivian R1T Dual Large (20in) in Colorado

At Colorado's residential electricity rate of 16.65¢/kWh, a 2026 Rivian R1T Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $7.14 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. That works out to 55.4% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Rivian R1T Dual Large (20in) in Colorado runs about $1,071 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,332 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Large (20in), in dollars

$21.41 — that's what Colorado's 16.65¢/kWh rate puts on the 128.6 kWh a 2026 Rivian R1T Dual Large (20in) needs for its full 300-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Large (20in) in Colorado ranks 13,381 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Large (20in) ranks 318 of 400 EV models for raw efficiency, and Colorado ranks 30 of 51 for cheapest residential electricity.

Before you install a home charger in Colorado

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.

Ask a licensed Colorado electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Dual Large (20in)'s cost in Colorado. At 16.65¢/kWh, Colorado sits in the middle of the national range — the guide to why charging cost varies by state shows where.