Wisconsin home charging cost for the 2027 Cadillac OPTIQ RWD 19kW Charger

At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2027 Cadillac OPTIQ RWD 19kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $6.09 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: 62% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Cadillac OPTIQ RWD 19kW Charger costs roughly $914 a year to charge at home in Wisconsin, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,489 a year.

Cost of a full charge

Covering the 2027 Cadillac OPTIQ RWD 19kW Charger's EPA-rated 317-mile range takes about 101.7 kWh, which costs about $19.31 at Wisconsin's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 9,846 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD 19kW Charger alone ranks 89 of 400 models for efficiency; Wisconsin alone ranks 35 of 51 states for electricity price.

Getting set up to charge a 2027 Cadillac OPTIQ RWD 19kW Charger at home

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 Wisconsin 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. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.