What it costs to charge a 2027 Rivian R1S Quad (20in AT) in District of Columbia

A 2027 Rivian R1S Quad (20in AT) draws 50.1 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $12.3 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 23.2% cheaper per mile than gasoline in District of Columbia — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Quad (20in AT) in District of Columbia runs about $1,844 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $559 saved annually, at this mileage.

What one full charge costs

$39.96 — that's what District of Columbia's 24.54¢/kWh rate puts on the 162.8 kWh a 2027 Rivian R1S Quad (20in AT) needs for its full 325-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (20in AT) in District of Columbia ranks 19,175 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (20in AT) ranks 390 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.

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.