Charging a 2026 Rivian R1S Dual Standard (22in) at home in California

In California, home electricity runs 33.17¢/kWh — put a 2026 Rivian R1S Dual Standard (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $13.23, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 17.4% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

California owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Standard (22in) spend about $1,984 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $418 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Dual Standard (22in), in dollars

At California's rate, fully covering this 2026 Rivian R1S Dual Standard (22in)'s 270-mile EPA range costs about $35.72 (107.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S Dual Standard (22in) in California, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (22in) in California ranks 19,612 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (22in) ranks 262 of 400 EV models for raw efficiency, and California ranks 50 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 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.