What it costs to charge a 2026 Rivian R1S Quad Max (22in) in California

A 2026 Rivian R1S Quad Max (22in) draws 44.4 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $14.72 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 8.1% cheaper per mile than gasoline in California — charging at home costs a little less than gas here.

2026 Rivian R1S Quad Max (22in): yearly cost in California

Home charging this 2026 Rivian R1S Quad Max (22in) in California runs about $2,208 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $195 saved annually, at this mileage.

Cost of a full charge

$55.05 — that's what California's 33.17¢/kWh rate puts on the 166 kWh a 2026 Rivian R1S Quad Max (22in) needs for its full 374-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Quad Max (22in) in California ranks 19,966 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (22in) ranks 350 of 400 EV models for raw efficiency, and California ranks 50 of 51 for cheapest residential electricity.

Before you install a home charger in California

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 California 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 Quad Max (22in)'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.