What it costs to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) in California

At California's residential electricity rate of 33.17¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $14.3 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 10.7% cheaper per mile than gasoline in California — charging at home costs a little less than gas here.

2026 Rivian R1S Performance Dual Large Plus (20in): yearly cost in California

Home charging this 2026 Rivian R1S Performance Dual Large Plus (20in) in California runs about $2,146 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $257 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Performance Dual Large Plus (20in), in dollars

$45.34 — that's what California's 33.17¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1S Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.

2026 Rivian R1S Performance Dual Large Plus (20in) in California, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in California ranks 19,887 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.