Colorado home charging cost for the 2026 Rivian R1S Performance Dual Large Plus (20in)

In Colorado, home electricity runs 16.65¢/kWh — put a 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 43.1 kWh/100mi against that and 100 miles costs $7.18, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Performance Dual Large Plus (20in) costs roughly $1,077 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 $1,326 a year.

Cost of a full charge

Covering the 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 317-mile range takes about 136.7 kWh, which costs about $22.76 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 13,477 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large Plus (20in) alone ranks 328 of 400 models for efficiency; Colorado alone ranks 30 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large Plus (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.

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

Where these figures come from

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.