Charging a 2027 Volvo EX90 at home in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2027 Volvo EX90 (rated 36.8 kWh per 100 miles by the EPA) costs $5.12 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 68.1% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Tennessee owners putting 15,000 annual miles on a 2027 Volvo EX90 spend about $767 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,636 saved annually, at this mileage.

What one full charge costs

At Tennessee's rate, fully covering this 2027 Volvo EX90's 276-mile EPA range costs about $14.12 (101.6 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 Volvo EX90 in Tennessee ranks 5,065 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX90 ranks 186 of 400 EV models for raw efficiency, and Tennessee ranks 13 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.

Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.