Colorado home charging cost for the 2027 Rivian R1S Premium Long Range (20in AT)

In Colorado, home electricity runs 16.65¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $7.2, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.1% less than gas per mile, here specifically.

2027 Rivian R1S Premium Long Range (20in AT): yearly cost in Colorado

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium Long Range (20in AT) costs roughly $1,080 a year to charge at home in Colorado, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,323 a year.

Cost of a full charge

Covering the 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $26.63 at Colorado's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 13,516 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (20in AT) alone ranks 331 of 400 models for efficiency; Colorado alone ranks 30 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium Long Range (20in AT) 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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium Long Range (20in AT)'s cost in Colorado. Colorado's 16.65¢/kWh rate ranks 30 of 51 states; the state rate guide lays out the full spread.