What it costs to charge a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger in Illinois

A 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger draws 41 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $7.88 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 50.8% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger in Illinois runs about $1,182 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,221 saved annually, at this mileage.

What one full charge costs

$19.7 — that's what Illinois's 19.22¢/kWh rate puts on the 102.5 kWh a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger needs for its full 250-mile EPA range.

2026 Cadillac OPTIQ AWD V SERIES 19 kW charger in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger in Illinois ranks 14,875 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD V SERIES 19 kW charger ranks 283 of 400 EV models for raw efficiency, and Illinois ranks 36 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 Illinois 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 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.