Maryland home charging cost for the 2026 Cadillac OPTIQ RWD (19 kW Charger)

A 2026 Cadillac OPTIQ RWD (19 kW Charger) draws 32.1 kWh per 100 miles per the EPA; at Maryland's 21.27¢/kWh residential rate that's $6.82 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 57.4% less than gas per mile, here specifically.

2026 Cadillac OPTIQ RWD (19 kW Charger): yearly cost in Maryland

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Cadillac OPTIQ RWD (19 kW Charger) costs roughly $1,024 a year to charge at home in Maryland, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,379 a year.

What one full charge costs

Covering the 2026 Cadillac OPTIQ RWD (19 kW Charger)'s EPA-rated 317-mile range takes about 101.7 kWh, which costs about $21.63 at Maryland's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 12,542 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD (19 kW Charger) alone ranks 91 of 400 models for efficiency; Maryland alone ranks 39 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 Maryland electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.