Idaho home charging cost for the 2026 Rivian R1T All-Terrain Dual Max (20in)

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Rivian R1T All-Terrain Dual Max (20in)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $5.53, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 65.5% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T All-Terrain Dual Max (20in) costs roughly $830 a year to charge at home in Idaho, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,573 a year.

Filling up the 2026 Rivian R1T All-Terrain Dual Max (20in), in dollars

Covering the 2026 Rivian R1T All-Terrain Dual Max (20in)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $20.47 at Idaho's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1T All-Terrain Dual Max (20in) in Idaho, ranked

This combination ranks 7,109 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Max (20in) alone ranks 335 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1T All-Terrain Dual Max (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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Dual Max (20in)'s cost in Idaho. 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.