South Carolina home charging cost for the 2027 Subaru Solterra 20 AWD

In South Carolina, home electricity runs 16.04¢/kWh — put a 2027 Subaru Solterra 20 AWD's EPA-rated 28.9 kWh/100mi against that and 100 miles costs $4.64, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 71% less than gas per mile, here specifically.

2027 Subaru Solterra 20 AWD: yearly cost in South Carolina

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Subaru Solterra 20 AWD costs roughly $696 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,707 a year.

What one full charge costs

Covering the 2027 Subaru Solterra 20 AWD's EPA-rated 278-mile range takes about 80.4 kWh, which costs about $12.9 at South Carolina's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 2,999 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Subaru Solterra 20 AWD alone ranks 35 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.

Before you install a home charger in South Carolina

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.

Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.