District of Columbia home charging cost for the 2027 Rivian R1S Premium Long Range (20in AT)

In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $10.61, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 33.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium Long Range (20in AT) costs roughly $1,591 a year to charge at home in District of Columbia, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $812 a year.

What one full charge costs

Covering the 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $39.25 at District of Columbia's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 18,005 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (20in AT) alone ranks 331 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium Long Range (20in AT) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Ask a licensed District of Columbia electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium Long Range (20in AT)'s cost in District of Columbia. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.