Hawaii home charging cost for the 2027 Rivian R2 Performance AWD (21in)

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2027 Rivian R2 Performance AWD (21in) (rated 32.2 kWh per 100 miles by the EPA) costs $14.78 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. Charging at home costs a little less than gas here: 7.7% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R2 Performance AWD (21in) costs roughly $2,218 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $185 a year.

What one full charge costs

Covering the 2027 Rivian R2 Performance AWD (21in)'s EPA-rated 330-mile range takes about 106.2 kWh, which costs about $48.79 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 19,986 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R2 Performance AWD (21in) alone ranks 94 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R2 Performance AWD (21in) 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.

Ask a licensed Hawaii electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R2 Performance AWD (21in)'s cost in Hawaii. Hawaii 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.