New Mexico home charging cost for the 2027 Rivian R1S Premium (22in)
In New Mexico, home electricity runs 14.82¢/kWh — put a 2027 Rivian R1S Premium (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $5.85, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 63.5% 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 Premium (22in) costs roughly $877 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 $1,525 a year.
Filling up the 2027 Rivian R1S Premium (22in), in dollars
Covering the 2027 Rivian R1S Premium (22in)'s EPA-rated 329-mile range takes about 129.9 kWh, which costs about $19.25 at New Mexico's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 8,698 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (22in) alone ranks 249 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.82¢/kWh, New Mexico sits in the middle of the national range — the guide to why charging cost varies by state shows where.