Charging a 2026 Chevrolet Silverado EV Ext Range WT at home in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 Chevrolet Silverado EV Ext Range WT (rated 47.8 kWh per 100 miles by the EPA) costs $6.12 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 61.8% cheaper per mile than gasoline in Idaho — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Idaho owners putting 15,000 annual miles on a 2026 Chevrolet Silverado EV Ext Range WT spend about $919 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,484 saved annually, at this mileage.

Cost of a full charge

At Idaho's rate, fully covering this 2026 Chevrolet Silverado EV Ext Range WT's 424-mile EPA range costs about $25.96 (202.9 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 Chevrolet Silverado EV Ext Range WT in Idaho ranks 9,950 for cost savings versus gas — 1 being the best deal nationally. Separately, the Chevrolet Silverado EV Ext Range WT ranks 378 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Chevrolet Silverado EV Ext Range WT's cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.