What it costs to charge a 2027 Subaru Solterra AWD in Hawaii

A 2027 Subaru Solterra AWD draws 28 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $12.85 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 19.8% cheaper per mile than gasoline in Hawaii — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2027 Subaru Solterra AWD in Hawaii runs about $1,927 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $476 saved annually, at this mileage.

What one full charge costs

$37 — that's what Hawaii's 45.95¢/kWh rate puts on the 80.5 kWh a 2027 Subaru Solterra AWD needs for its full 288-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra AWD in Hawaii ranks 19,473 for cost savings versus gas — 1 being the best deal nationally. Separately, the Subaru Solterra AWD ranks 26 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Before you install a home charger in Hawaii

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.

Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Subaru Solterra AWD's cost in Hawaii. Hawaii has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.