What it costs to charge a 2027 Cadillac LYRIQ AWD 19kW Charger in Illinois
At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 Cadillac LYRIQ AWD 19kW Charger (rated 39.7 kWh per 100 miles by the EPA) costs $7.63 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. That works out to 52.4% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
2027 Cadillac LYRIQ AWD 19kW Charger: yearly cost in Illinois
Home charging this 2027 Cadillac LYRIQ AWD 19kW Charger in Illinois runs about $1,145 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,258 saved annually, at this mileage.
What one full charge costs
$23.13 — that's what Illinois's 19.22¢/kWh rate puts on the 120.3 kWh a 2027 Cadillac LYRIQ AWD 19kW Charger needs for its full 303-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac LYRIQ AWD 19kW Charger in Illinois ranks 14,421 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac LYRIQ AWD 19kW Charger ranks 258 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.
Before you install a home charger in Illinois
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 Illinois 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 LYRIQ AWD 19kW Charger's cost in Illinois. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.