What it costs to charge a 2027 Rivian R1S Premium (20in) in Alaska

A 2027 Rivian R1S Premium (20in) draws 42.9 kWh per 100 miles per the EPA; at Alaska's 26.86¢/kWh residential rate that's $11.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 28.1% cheaper per mile than gasoline in Alaska — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Premium (20in) in Alaska runs about $1,727 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $676 saved annually, at this mileage.

Cost of a full charge

$34.55 — that's what Alaska's 26.86¢/kWh rate puts on the 128.6 kWh a 2027 Rivian R1S Premium (20in) needs for its full 300-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in) in Alaska ranks 18,673 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in) ranks 314 of 400 EV models for raw efficiency, and Alaska ranks 44 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in)'s cost in Alaska. Alaska's 26.86¢/kWh rate ranks 44 of 51 states; the state rate guide lays out the full spread.