2027 Cadillac LYRIQ 11kW Charger: home charging cost in Illinois
In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Cadillac LYRIQ 11kW Charger's EPA-rated 36.8 kWh/100mi against that and 100 miles costs $7.08, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.8% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Cadillac LYRIQ 11kW Charger charged at home in Illinois costs about $1,062/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,341 a year.
What one full charge costs
A 2027 Cadillac LYRIQ 11kW Charger needs roughly 120 kWh to reach its EPA-rated 326-mile range, which runs about $23.07 at 19.22¢/kWh in Illinois.
Where this ranks
This combination ranks 13,199 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac LYRIQ 11kW Charger alone ranks 187 of 400 models for efficiency; Illinois alone ranks 36 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.
Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac LYRIQ 11kW Charger's cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.