What it costs to charge a 2026 Rivian R1S Dual Standard (20in) in California

A 2026 Rivian R1S Dual Standard (20in) draws 42.9 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $14.22 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 11.2% cheaper per mile than gasoline in California — charging at home costs a little less than gas here.

2026 Rivian R1S Dual Standard (20in): yearly cost in California

Home charging this 2026 Rivian R1S Dual Standard (20in) in California runs about $2,133 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $270 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Dual Standard (20in), in dollars

$36.69 — that's what California's 33.17¢/kWh rate puts on the 110.6 kWh a 2026 Rivian R1S Dual Standard (20in) needs for its full 258-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (20in) in California ranks 19,857 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (20in) ranks 312 of 400 EV models for raw efficiency, and California ranks 50 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Dual Standard (20in) at home

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 California electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Standard (20in)'s cost in California. California has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.