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

At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 Subaru Solterra AWD (rated 28 kWh per 100 miles by the EPA) costs $5.37 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 66.5% cheaper per mile than gasoline in Illinois — 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 Illinois runs about $806 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,597 saved annually, at this mileage.

What one full charge costs

$15.48 — that's what Illinois's 19.22¢/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 Illinois ranks 6,291 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 Illinois ranks 36 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 Illinois electrician to quote the install before this math becomes a real decision.

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 Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.