What it costs to charge a 2027 Subaru Solterra 20 AWD in Maryland
In Maryland, home electricity runs 21.27¢/kWh — put a 2027 Subaru Solterra 20 AWD's EPA-rated 28.9 kWh/100mi against that and 100 miles costs $6.15, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 61.6% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2027 Subaru Solterra 20 AWD in Maryland runs about $923 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,480 saved annually, at this mileage.
Filling up the 2027 Subaru Solterra 20 AWD, in dollars
$17.1 — that's what Maryland's 21.27¢/kWh rate puts on the 80.4 kWh a 2027 Subaru Solterra 20 AWD needs for its full 278-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra 20 AWD in Maryland ranks 10,102 for cost savings versus gas — 1 being the best deal nationally. Separately, the Subaru Solterra 20 AWD ranks 35 of 400 EV models for raw efficiency, and Maryland ranks 39 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 Subaru Solterra 20 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 Maryland 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 20 AWD's cost in Maryland. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.