South Dakota home charging cost for the 2026 Cadillac OPTIQ RWD (11 kW Charger)

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Cadillac OPTIQ RWD (11 kW Charger)'s EPA-rated 32.1 kWh/100mi against that and 100 miles costs $4.6, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 71.3% less than gas per mile, here specifically.

2026 Cadillac OPTIQ RWD (11 kW Charger): yearly cost in South Dakota

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Cadillac OPTIQ RWD (11 kW Charger) costs roughly $690 a year to charge at home in South Dakota, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,713 a year.

Filling up the 2026 Cadillac OPTIQ RWD (11 kW Charger), in dollars

Covering the 2026 Cadillac OPTIQ RWD (11 kW Charger)'s EPA-rated 317-mile range takes about 101.7 kWh, which costs about $14.57 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 2,794 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD (11 kW Charger) alone ranks 90 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Getting set up to charge a 2026 Cadillac OPTIQ RWD (11 kW Charger) at home

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.

Line up a few South Dakota electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.