2026 Rivian R1S Performance Dual Large (22in): home charging cost in California

In California, home electricity runs 33.17¢/kWh — put a 2026 Rivian R1S Performance Dual Large (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $13.09, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 18.3% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large (22in) charged at home in California costs about $1,964/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $439 a year.

What one full charge costs

A 2026 Rivian R1S Performance Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $43.08 at 33.17¢/kWh in California.

How this compares nationally

This combination ranks 19,572 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (22in) alone ranks 251 of 400 models for efficiency; California alone ranks 50 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large (22in) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in California before deciding.

Where these figures come from

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.