2027 Rivian R2 Performance AWD (21in), ID Charging Cost

2027 Rivian R2 Performance AWD (21in): home charging cost in Idaho

In Idaho, home electricity runs 12.8¢/kWh, put a 2027 Rivian R2 Performance AWD (21in)'s EPA-rated 32.2 kWh/100mi against that and 100 miles costs $4.12, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 74.3% 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 2027 Rivian R2 Performance AWD (21in) charged at home in Idaho costs about $618/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,785 a year.

Cost of a full charge

A 2027 Rivian R2 Performance AWD (21in) needs roughly 106.2 kWh to reach its EPA-rated 330-mile range, which runs about $13.59 at 12.8¢/kWh in Idaho.

2027 Rivian R2 Performance AWD (21in) in Idaho, ranked

This combination ranks 1,221 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; Idaho alone ranks 3 of 51 states for electricity price.

Before you install a home charger in Idaho

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 Idaho before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. Idaho is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.