Charging a 2027 Rivian R1S Performance (20in) at home in New Mexico
A 2027 Rivian R1S Performance (20in) draws 47 kWh per 100 miles per the EPA; at New Mexico's 14.82¢/kWh residential rate that's $6.96 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 56.5% cheaper per mile than gasoline in New Mexico — charging at home is much cheaper than gas here.
2027 Rivian R1S Performance (20in): yearly cost in New Mexico
New Mexico owners putting 15,000 annual miles on a 2027 Rivian R1S Performance (20in) spend about $1,045 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,358 saved annually, at this mileage.
Cost of a full charge
At New Mexico's rate, fully covering this 2027 Rivian R1S Performance (20in)'s 348-mile EPA range costs about $24.23 (163.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (20in) in New Mexico ranks 12,991 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (20in) ranks 369 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.
Ask a licensed New Mexico electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how New Mexico's 14.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.