Charging a 2026 Cadillac OPTIQ RWD (19 kW Charger) at home in Ohio

A 2026 Cadillac OPTIQ RWD (19 kW Charger) draws 32.1 kWh per 100 miles per the EPA; at Ohio's 18.53¢/kWh residential rate that's $5.94 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.9% cheaper per mile than gasoline in Ohio — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Ohio owners putting 15,000 annual miles on a 2026 Cadillac OPTIQ RWD (19 kW Charger) spend about $892 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,511 saved annually, at this mileage.

What one full charge costs

At Ohio's rate, fully covering this 2026 Cadillac OPTIQ RWD (19 kW Charger)'s 317-mile EPA range costs about $18.85 (101.7 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 2026 Cadillac OPTIQ RWD (19 kW Charger) in Ohio ranks 9,145 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD (19 kW Charger) ranks 91 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.

Get quotes from local electricians for Level 2 charger installation in Ohio before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Ohio's 18.53¢/kWh rate ranks 34 of 51 states; the state rate guide lays out the full spread.