New Mexico home charging cost for the 2027 Rivian R1S Quad (20in AT)
A 2027 Rivian R1S Quad (20in AT) draws 50.1 kWh per 100 miles per the EPA; at New Mexico's 14.82¢/kWh residential rate that's $7.43 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 53.6% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Quad (20in AT) costs roughly $1,114 a year to charge at home in New Mexico, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,289 a year.
Filling up the 2027 Rivian R1S Quad (20in AT), in dollars
Covering the 2027 Rivian R1S Quad (20in AT)'s EPA-rated 325-mile range takes about 162.8 kWh, which costs about $24.13 at New Mexico'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 14,070 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Quad (20in AT) alone ranks 390 of 400 models for efficiency; New Mexico alone ranks 17 of 51 states for electricity price.
Before you install a home charger in New Mexico
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 New Mexico 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 Quad (20in AT)'s cost in New Mexico. Curious how New Mexico's 14.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.