2026 Chevrolet Silverado EV Ext Range WT: home charging cost in South Dakota

In South Dakota, home electricity runs 14.33¢/kWh — put a 2026 Chevrolet Silverado EV Ext Range WT's EPA-rated 47.8 kWh/100mi against that and 100 miles costs $6.86, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 57.2% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Chevrolet Silverado EV Ext Range WT charged at home in South Dakota costs about $1,028/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,375 a year.

What one full charge costs

A 2026 Chevrolet Silverado EV Ext Range WT needs roughly 202.9 kWh to reach its EPA-rated 424-mile range, which runs about $29.07 at 14.33¢/kWh in South Dakota.

Where this ranks

This combination ranks 12,696 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Chevrolet Silverado EV Ext Range WT alone ranks 378 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.