What it costs to charge a 2026 Rivian R1S Performance Dual Max (22in) in California
A 2026 Rivian R1S Performance Dual Max (22in) draws 39.9 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $13.25 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 17.3% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Rivian R1S Performance Dual Max (22in) in California runs about $1,987 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $416 saved annually, at this mileage.
What one full charge costs
$54.32 — that's what California's 33.17¢/kWh rate puts on the 163.7 kWh a 2026 Rivian R1S Performance Dual Max (22in) needs for its full 410-mile EPA range.
2026 Rivian R1S Performance Dual Max (22in) in California, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Max (22in) in California ranks 19,621 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Max (22in) ranks 266 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
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.