What it costs to charge a 2027 Rivian R1T Premium (20in AT) in California
At California's residential electricity rate of 33.17¢/kWh, a 2027 Rivian R1T Premium (20in AT) (rated 44.4 kWh per 100 miles by the EPA) costs $14.71 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 8.1% cheaper per mile than gasoline in California — charging at home costs a little less than gas here.
2027 Rivian R1T Premium (20in AT): yearly cost in California
Home charging this 2027 Rivian R1T Premium (20in AT) in California runs about $2,207 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $196 saved annually, at this mileage.
What one full charge costs
$42.53 — that's what California's 33.17¢/kWh rate puts on the 128.2 kWh a 2027 Rivian R1T Premium (20in AT) needs for its full 289-mile EPA range.
2027 Rivian R1T Premium (20in AT) in California, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium (20in AT) in California ranks 19,961 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium (20in AT) ranks 343 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 2027 Rivian R1T Premium (20in AT)'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.