Charging a 2026 Rivian R1T All-Terrain Dual Large (20in) at home in Colorado
At Colorado's residential electricity rate of 16.65¢/kWh, a 2026 Rivian R1T All-Terrain Dual Large (20in) (rated 44.4 kWh per 100 miles by the EPA) costs $7.39 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 53.9% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.
What a year of driving costs
Colorado owners putting 15,000 annual miles on a 2026 Rivian R1T All-Terrain Dual Large (20in) spend about $1,108 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,295 saved annually, at this mileage.
What one full charge costs
At Colorado's rate, fully covering this 2026 Rivian R1T All-Terrain Dual Large (20in)'s 289-mile EPA range costs about $21.35 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Rivian R1T All-Terrain Dual Large (20in) in Colorado, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Dual Large (20in) in Colorado ranks 13,960 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Dual Large (20in) ranks 346 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.
Get quotes from local electricians for Level 2 charger installation in Colorado before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Colorado's 16.65¢/kWh compares? The guide to charging cost by state ranks every state side by side.