Charging a 2026 Rivian R1S Dual Standard (22in) at home in New Mexico

A 2026 Rivian R1S Dual Standard (22in) draws 39.9 kWh per 100 miles per the EPA; at New Mexico's 14.82¢/kWh residential rate that's $5.91 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.1% cheaper per mile than gasoline in New Mexico — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

New Mexico owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Standard (22in) spend about $887 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,516 saved annually, at this mileage.

Cost of a full charge

At New Mexico's rate, fully covering this 2026 Rivian R1S Dual Standard (22in)'s 270-mile EPA range costs about $15.96 (107.7 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 2026 Rivian R1S Dual Standard (22in) in New Mexico ranks 8,993 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (22in) ranks 262 of 400 EV models for raw efficiency, and New Mexico ranks 17 of 51 for cheapest residential electricity.

Next step: home charger installation

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Standard (22in)'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.