Hawaii home charging cost for the 2027 Subaru Uncharted
At Hawaii's residential electricity rate of 45.95¢/kWh, a 2027 Subaru Uncharted (rated 25.7 kWh per 100 miles by the EPA) costs $11.79 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: 26.4% less than gas per mile, here specifically.
2027 Subaru Uncharted: yearly cost in Hawaii
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Subaru Uncharted costs roughly $1,769 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $634 a year.
Cost of a full charge
Covering the 2027 Subaru Uncharted's EPA-rated 308-mile range takes about 79 kWh, which costs about $36.32 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 18,894 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Subaru Uncharted alone ranks 8 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.
Getting set up to charge a 2027 Subaru Uncharted 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 Hawaii electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.