Charging a 2026 Rivian R1S Dual Large (20in) at home in New Mexico

In New Mexico, home electricity runs 14.82¢/kWh — put a 2026 Rivian R1S Dual Large (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $6.35, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 60.3% cheaper per mile than gasoline in New Mexico — charging at home is much cheaper than gas here.

2026 Rivian R1S Dual Large (20in): yearly cost in New Mexico

New Mexico owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Large (20in) spend about $953 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,450 saved annually, at this mileage.

Cost of a full charge

At New Mexico's rate, fully covering this 2026 Rivian R1S Dual Large (20in)'s 300-mile EPA range costs about $19.06 (128.6 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 Large (20in) in New Mexico ranks 10,892 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Large (20in) ranks 316 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 Large (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.