What it costs to charge a 2026 Chevrolet Silverado EV Ext Range WT in Hawaii
At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Chevrolet Silverado EV Ext Range WT (rated 47.8 kWh per 100 miles by the EPA) costs $21.98 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. Here the math runs the other way: 37.2% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Chevrolet Silverado EV Ext Range WT in Hawaii runs about $3,298 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. At this mileage, that's roughly $895 a year worse than the gas comparison.
What one full charge costs
$93.21 — that's what Hawaii's 45.95¢/kWh rate puts on the 202.9 kWh a 2026 Chevrolet Silverado EV Ext Range WT needs for its full 424-mile EPA range.
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 Hawaii ranks 20,371 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 Hawaii ranks 51 of 51 for cheapest residential electricity.
Before you install a home charger in Hawaii
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.
Ask a licensed Hawaii electrician to quote the install before this math becomes a real decision.
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 Hawaii. This is one of the combinations where charging costs more than gas — the guide to when that happens explains why the arithmetic can go either way.