Charging a 2027 Rivian R1S Premium (20in) at home in District of Columbia

In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 Rivian R1S Premium (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $10.52, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 34.3% cheaper per mile than gasoline in District of Columbia — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

District of Columbia owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in) spend about $1,578 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $825 saved annually, at this mileage.

Cost of a full charge

At District of Columbia's rate, fully covering this 2027 Rivian R1S Premium (20in)'s 300-mile EPA range costs about $31.56 (128.6 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 2027 Rivian R1S Premium (20in) in District of Columbia ranks 17,903 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in) ranks 314 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 Rivian R1S Premium (20in) 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.

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

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.