2027 Rivian R1S Quad (22in UHP), ID Charging Cost

What it costs to charge a 2027 Rivian R1S Quad (22in UHP) in Idaho

A 2027 Rivian R1S Quad (22in UHP) draws 47.3 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $6.06 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.2% cheaper per mile than gasoline in Idaho, charging at home is much cheaper than gas here.

2027 Rivian R1S Quad (22in UHP): yearly cost in Idaho

Home charging this 2027 Rivian R1S Quad (22in UHP) in Idaho runs about $909 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,494 saved annually, at this mileage.

Cost of a full charge

$20.48, that's what Idaho's 12.8¢/kWh rate puts on the 160 kWh a 2027 Rivian R1S Quad (22in UHP) needs for its full 338-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (22in UHP) in Idaho ranks 9,668 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1S Quad (22in UHP) ranks 371 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

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

More on how this number was built

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.