2027 Rivian R1S Premium Long Range (20in), ID Charging Cost

2027 Rivian R1S Premium Long Range (20in): home charging cost in Idaho

In Idaho, home electricity runs 12.8¢/kWh, put a 2027 Rivian R1S Premium Long Range (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $5.37, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 66.5% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year, fueleconomy.gov's own default assumption, a 2027 Rivian R1S Premium Long Range (20in) charged at home in Idaho costs about $806/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,597 a year.

Filling up the 2027 Rivian R1S Premium Long Range (20in), in dollars

A 2027 Rivian R1S Premium Long Range (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $20.42 at 12.8¢/kWh in Idaho.

2027 Rivian R1S Premium Long Range (20in) in Idaho, ranked

This combination ranks 6,284 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (20in) alone ranks 296 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium Long Range (20in) 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.

Line up a few Idaho electrician quotes for Level 2 install before you commit either way.

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.