2026 Rivian R1T Quad Max (20in AT), ID Charging Cost

What it costs to charge a 2026 Rivian R1T Quad Max (20in AT) in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 Rivian R1T Quad Max (20in AT) (rated 50.1 kWh per 100 miles by the EPA) costs $6.41 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 60% cheaper per mile than gasoline in Idaho, charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Rivian R1T Quad Max (20in AT) in Idaho runs about $962 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,441 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Quad Max (20in AT), in dollars

$20.84, that's what Idaho's 12.8¢/kWh rate puts on the 162.8 kWh a 2026 Rivian R1T Quad Max (20in AT) needs for its full 325-mile EPA range.

2026 Rivian R1T Quad Max (20in AT) in Idaho, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Quad Max (20in AT) in Idaho ranks 11,117 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1T Quad Max (20in AT) ranks 393 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Before you install a home charger in Idaho

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 Idaho electrician to quote the install before this math becomes a real decision.

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.