Charging a 2026 Porsche Macan 4 Electric at home in District of Columbia
At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 Porsche Macan 4 Electric (rated 35.3 kWh per 100 miles by the EPA) costs $8.66 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 45.9% cheaper per mile than gasoline in District of Columbia — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
District of Columbia owners putting 15,000 annual miles on a 2026 Porsche Macan 4 Electric spend about $1,300 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,103 saved annually, at this mileage.
What one full charge costs
At District of Columbia's rate, fully covering this 2026 Porsche Macan 4 Electric's 304-mile EPA range costs about $26.34 (107.3 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Macan 4 Electric in District of Columbia ranks 15,982 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Macan 4 Electric ranks 156 of 400 EV models for raw efficiency, and District of Columbia ranks 42 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Porsche Macan 4 Electric at home
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.
Get quotes from local electricians for Level 2 charger installation in District of Columbia before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 24.54¢/kWh, District of Columbia sits in the middle of the national range — the guide to why charging cost varies by state shows where.