2027 Volvo EX90 Twin Motor Performance: home charging cost in South Carolina
At South Carolina's residential electricity rate of 16.04¢/kWh, a 2027 Volvo EX90 Twin Motor Performance (rated 39 kWh per 100 miles by the EPA) costs $6.26 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. Charging at home is much cheaper than gas here: 61% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Volvo EX90 Twin Motor Performance charged at home in South Carolina costs about $938/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,465 a year.
Filling up the 2027 Volvo EX90 Twin Motor Performance, in dollars
A 2027 Volvo EX90 Twin Motor Performance needs roughly 117 kWh to reach its EPA-rated 300-mile range, which runs about $18.77 at 16.04¢/kWh in South Carolina.
Where this ranks
This combination ranks 10,519 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Volvo EX90 Twin Motor Performance alone ranks 239 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.
Next step: home charger installation
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.
Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 Volvo EX90 Twin Motor Performance's cost in South Carolina. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.