What it costs to charge a 2027 Subaru Solterra AWD in Delaware
At Delaware's residential electricity rate of 17.74¢/kWh, a 2027 Subaru Solterra AWD (rated 28 kWh per 100 miles by the EPA) costs $4.96 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. That works out to 69% cheaper per mile than gasoline in Delaware — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Home charging this 2027 Subaru Solterra AWD in Delaware runs about $744 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,659 saved annually, at this mileage.
What one full charge costs
$14.28 — that's what Delaware's 17.74¢/kWh rate puts on the 80.5 kWh a 2027 Subaru Solterra AWD needs for its full 288-mile EPA range.
2027 Subaru Solterra AWD in Delaware, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra AWD in Delaware ranks 4,361 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 Delaware ranks 33 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Subaru Solterra AWD at home
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 Delaware 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. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.