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

A 2027 Rivian R1S Premium (20in AT) draws 44.4 kWh per 100 miles per the EPA; at Alaska's 26.86¢/kWh residential rate that's $11.92 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 25.6% cheaper per mile than gasoline in Alaska — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Premium (20in AT) in Alaska runs about $1,787 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $616 saved annually, at this mileage.

Cost of a full charge

$34.44 — that's what Alaska's 26.86¢/kWh rate puts on the 128.2 kWh a 2027 Rivian R1S Premium (20in AT) needs for its full 289-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 AT) in Alaska ranks 18,966 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in AT) ranks 342 of 400 EV models for raw efficiency, and Alaska ranks 44 of 51 for cheapest residential electricity.

Before you install a home charger in Alaska

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

More on how this number was built

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.