2026 Cadillac OPTIQ AWD V SERIES 19 kW charger: home charging cost in South Dakota
In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger's EPA-rated 41 kWh/100mi against that and 100 miles costs $5.88, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 63.3% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger charged at home in South Dakota costs about $881/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,522 a year.
Cost of a full charge
A 2026 Cadillac OPTIQ AWD V SERIES 19 kW charger needs roughly 102.5 kWh to reach its EPA-rated 250-mile range, which runs about $14.69 at 14.33¢/kWh in South Dakota.
How this compares nationally
This combination ranks 8,855 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ AWD V SERIES 19 kW charger alone ranks 283 of 400 models for efficiency; South Dakota alone ranks 14 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.
Get quotes from local electricians for Level 2 charger installation in South Dakota before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.