2026 Rivian R1S Tri Max (22in): home charging cost in Alaska

At Alaska's residential electricity rate of 26.86¢/kWh, a 2026 Rivian R1S Tri Max (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $11.97 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. Charging at home is cheaper than gas here: 25.3% 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 2026 Rivian R1S Tri Max (22in) charged at home in Alaska costs about $1,796/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $607 a year.

Filling up the 2026 Rivian R1S Tri Max (22in), in dollars

A 2026 Rivian R1S Tri Max (22in) needs roughly 165.4 kWh to reach its EPA-rated 371-mile range, which runs about $44.42 at 26.86¢/kWh in Alaska.

Where this ranks

This combination ranks 19,005 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Tri Max (22in) alone ranks 356 of 400 models for efficiency; Alaska alone ranks 44 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Tri Max (22in) 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.

Get quotes from local electricians for Level 2 charger installation in Alaska before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 26.86¢/kWh, Alaska sits in the middle of the national range — the guide to why charging cost varies by state shows where.