Charging a 2027 Cadillac OPTIQ AWD 19kW Charger at home in Wisconsin

A 2027 Cadillac OPTIQ AWD 19kW Charger draws 34 kWh per 100 miles per the EPA; at Wisconsin's 18.99¢/kWh residential rate that's $6.46 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 59.7% cheaper per mile than gasoline in Wisconsin — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Wisconsin owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ AWD 19kW Charger spend about $969 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,434 saved annually, at this mileage.

Cost of a full charge

At Wisconsin's rate, fully covering this 2027 Cadillac OPTIQ AWD 19kW Charger's 303-mile EPA range costs about $19.58 (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 2027 Cadillac OPTIQ AWD 19kW Charger in Wisconsin ranks 11,323 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD 19kW Charger ranks 124 of 400 EV models for raw efficiency, and Wisconsin ranks 35 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ AWD 19kW Charger's cost in Wisconsin. Curious how Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.