Charging a 2026 Chevrolet Silverado EV Ext Range WT at home in District of Columbia
At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 Chevrolet Silverado EV Ext Range WT (rated 47.8 kWh per 100 miles by the EPA) costs $11.74 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 26.7% cheaper per mile than gasoline in District of Columbia — charging at home is cheaper than gas here.
What a year of driving costs
District of Columbia owners putting 15,000 annual miles on a 2026 Chevrolet Silverado EV Ext Range WT spend about $1,761 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $642 saved annually, at this mileage.
Cost of a full charge
At District of Columbia's rate, fully covering this 2026 Chevrolet Silverado EV Ext Range WT's 424-mile EPA range costs about $49.78 (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 District of Columbia ranks 18,862 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 District of Columbia ranks 42 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.
Ask a licensed District of Columbia electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.