Charging a 2027 Volvo EX90 Twin Motor at home in District of Columbia
A 2027 Volvo EX90 Twin Motor draws 39 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $9.57 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 40.3% cheaper per mile than gasoline in District of Columbia — charging at home is much cheaper than gas here.
What a year of driving costs
District of Columbia owners putting 15,000 annual miles on a 2027 Volvo EX90 Twin Motor spend about $1,436 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $967 saved annually, at this mileage.
Filling up the 2027 Volvo EX90 Twin Motor, in dollars
At District of Columbia's rate, fully covering this 2027 Volvo EX90 Twin Motor's 300-mile EPA range costs about $28.71 (117 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 2027 Volvo EX90 Twin Motor in District of Columbia ranks 17,022 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX90 Twin Motor ranks 238 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 2027 Volvo EX90 Twin Motor 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.
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.