Charging a 2027 Subaru Solterra 20 AWD at home in Oregon
At Oregon's residential electricity rate of 15.31¢/kWh, a 2027 Subaru Solterra 20 AWD (rated 28.9 kWh per 100 miles by the EPA) costs $4.43 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 72.4% cheaper per mile than gasoline in Oregon — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Oregon owners putting 15,000 annual miles on a 2027 Subaru Solterra 20 AWD spend about $664 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,739 saved annually, at this mileage.
Cost of a full charge
At Oregon's rate, fully covering this 2027 Subaru Solterra 20 AWD's 278-mile EPA range costs about $12.31 (80.4 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Subaru Solterra 20 AWD in Oregon ranks 2,150 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 Oregon ranks 21 of 51 for cheapest residential electricity.
Next step: home charger installation
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 Oregon 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 20 AWD's cost in Oregon. Curious how Oregon's 15.31¢/kWh compares? The guide to charging cost by state ranks every state side by side.