Charging a 2026 Rivian R1S Quad Max (20in AT) at home in New Mexico
In New Mexico, home electricity runs 14.82¢/kWh — put a 2026 Rivian R1S Quad Max (20in AT)'s EPA-rated 50.1 kWh/100mi against that and 100 miles costs $7.43, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 53.6% cheaper per mile than gasoline in New Mexico — charging at home is much cheaper than gas here.
2026 Rivian R1S Quad Max (20in AT): yearly cost in New Mexico
New Mexico owners putting 15,000 annual miles on a 2026 Rivian R1S Quad Max (20in AT) spend about $1,114 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,289 saved annually, at this mileage.
What one full charge costs
At New Mexico's rate, fully covering this 2026 Rivian R1S Quad Max (20in AT)'s 325-mile EPA range costs about $24.13 (162.8 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Quad Max (20in AT) in New Mexico ranks 14,072 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (20in AT) ranks 392 of 400 EV models for raw efficiency, and New Mexico ranks 17 of 51 for cheapest residential electricity.
Before you install a home charger in New Mexico
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Line up a few New Mexico electrician quotes for Level 2 install before you commit either way.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. New Mexico's 14.82¢/kWh rate ranks 17 of 51 states; the state rate guide lays out the full spread.