Charging a 2026 Rivian R1S Dual Max (20in) at home in District of Columbia

In District of Columbia, home electricity runs 24.54¢/kWh — put a 2026 Rivian R1S Dual Max (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $10.3, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 35.7% cheaper per mile than gasoline in District of Columbia — charging at home is cheaper than gas here.

2026 Rivian R1S Dual Max (20in): yearly cost in District of Columbia

District of Columbia owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Max (20in) spend about $1,545 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $858 saved annually, at this mileage.

What one full charge costs

At District of Columbia's rate, fully covering this 2026 Rivian R1S Dual Max (20in)'s 380-mile EPA range costs about $39.14 (159.5 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 2026 Rivian R1S Dual Max (20in) in District of Columbia ranks 17,710 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Max (20in) ranks 298 of 400 EV models for raw efficiency, and District of Columbia ranks 42 of 51 for cheapest residential electricity.

Before you install a home charger in District of Columbia

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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.