2026 Rivian R1S All-Terrain Dual Max (20in): home charging cost in New Mexico
At New Mexico's residential electricity rate of 14.82¢/kWh, a 2026 Rivian R1S All-Terrain Dual Max (20in) (rated 43.2 kWh per 100 miles by the EPA) costs $6.41 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 60% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S All-Terrain Dual Max (20in) charged at home in New Mexico costs about $961/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,442 a year.
Filling up the 2026 Rivian R1S All-Terrain Dual Max (20in), in dollars
A 2026 Rivian R1S All-Terrain Dual Max (20in) needs roughly 159.9 kWh to reach its EPA-rated 370-mile range, which runs about $23.7 at 14.82¢/kWh in New Mexico.
Where this ranks
This combination ranks 11,137 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Max (20in) alone ranks 333 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.
Get quotes from local electricians for Level 2 charger installation in New Mexico before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Dual Max (20in)'s cost in New Mexico. 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.