Charging a 2026 Cadillac OPTIQ AWD (19 kW Charger) at home in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Cadillac OPTIQ AWD (19 kW Charger)'s EPA-rated 34 kWh/100mi against that and 100 miles costs $4.73, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 70.5% 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 2026 Cadillac OPTIQ AWD (19 kW Charger) spend about $709 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,694 saved annually, at this mileage.

Cost of a full charge

At Tennessee's rate, fully covering this 2026 Cadillac OPTIQ AWD (19 kW Charger)'s 303-mile EPA range costs about $14.33 (103.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ AWD (19 kW Charger) in Tennessee ranks 3,338 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD (19 kW Charger) ranks 126 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Cadillac OPTIQ AWD (19 kW Charger) at home

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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.