2027 Subaru Solterra AWD: home charging cost in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2027 Subaru Solterra AWD's EPA-rated 28 kWh/100mi against that and 100 miles costs $3.85, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 76% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Subaru Solterra AWD charged at home in Montana costs about $577/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,825 a year.

Filling up the 2027 Subaru Solterra AWD, in dollars

A 2027 Subaru Solterra AWD needs roughly 80.5 kWh to reach its EPA-rated 288-mile range, which runs about $11.09 at 13.77¢/kWh in Montana.

2027 Subaru Solterra AWD in Montana, ranked

This combination ranks 600 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Subaru Solterra AWD alone ranks 26 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Before you install a home charger in Montana

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.

Ask a licensed Montana electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.