2026 Cadillac OPTIQ RWD (19 kW Charger): home charging cost in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Cadillac OPTIQ RWD (19 kW Charger)'s EPA-rated 32.1 kWh/100mi against that and 100 miles costs $4.46, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 72.2% less than gas per mile, here specifically.

2026 Cadillac OPTIQ RWD (19 kW Charger): yearly cost in Tennessee

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Cadillac OPTIQ RWD (19 kW Charger) charged at home in Tennessee costs about $669/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,734 a year.

Cost of a full charge

A 2026 Cadillac OPTIQ RWD (19 kW Charger) needs roughly 101.7 kWh to reach its EPA-rated 317-mile range, which runs about $14.14 at 13.9¢/kWh in Tennessee.

2026 Cadillac OPTIQ RWD (19 kW Charger) in Tennessee, ranked

This combination ranks 2,280 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD (19 kW Charger) alone ranks 91 of 400 models for efficiency; Tennessee alone ranks 13 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 Tennessee before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.