Charging a 2026 Rivian R1T Tri Max (22in) at home in Colorado

A 2026 Rivian R1T Tri Max (22in) draws 44.6 kWh per 100 miles per the EPA; at Colorado's 16.65¢/kWh residential rate that's $7.42 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 53.7% cheaper per mile than gasoline in Colorado — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Colorado owners putting 15,000 annual miles on a 2026 Rivian R1T Tri Max (22in) spend about $1,113 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,290 saved annually, at this mileage.

What one full charge costs

At Colorado's rate, fully covering this 2026 Rivian R1T Tri Max (22in)'s 371-mile EPA range costs about $27.53 (165.4 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T Tri Max (22in) in Colorado, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Tri Max (22in) in Colorado ranks 14,037 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Tri Max (22in) ranks 357 of 400 EV models for raw efficiency, and Colorado ranks 30 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.65¢/kWh, Colorado sits in the middle of the national range — the guide to why charging cost varies by state shows where.