Illinois home charging cost for the 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger
At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger (rated 41 kWh per 100 miles by the EPA) costs $7.88 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: 50.8% 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 AWD V SERIES 19kW Charger costs roughly $1,182 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,221 a year.
What one full charge costs
Covering the 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger's EPA-rated 250-mile range takes about 102.5 kWh, which costs about $19.7 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 14,874 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD V SERIES 19kW Charger alone ranks 282 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.
Getting set up to charge a 2027 Cadillac OPTIQ AWD V SERIES 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.
Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.