Charging a 2027 Cadillac LYRIQ AWD 19kW Charger at home in Ohio
At Ohio's residential electricity rate of 18.53¢/kWh, a 2027 Cadillac LYRIQ AWD 19kW Charger (rated 39.7 kWh per 100 miles by the EPA) costs $7.36 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 54.1% cheaper per mile than gasoline in Ohio — charging at home is much cheaper than gas here.
What a year of driving costs
Ohio owners putting 15,000 annual miles on a 2027 Cadillac LYRIQ AWD 19kW Charger spend about $1,104 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,299 saved annually, at this mileage.
Filling up the 2027 Cadillac LYRIQ AWD 19kW Charger, in dollars
At Ohio's rate, fully covering this 2027 Cadillac LYRIQ AWD 19kW Charger's 303-mile EPA range costs about $22.3 (120.3 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 LYRIQ AWD 19kW Charger in Ohio ranks 13,905 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 Ohio ranks 34 of 51 for cheapest residential electricity.
Before you install a home charger in Ohio
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 Ohio electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 18.53¢/kWh, Ohio sits in the middle of the national range — the guide to why charging cost varies by state shows where.