District of Columbia home charging cost for the 2026 Rivian R1S Performance Dual Large Plus (20in)
At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $10.58 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is cheaper than gas here: 33.9% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S Performance Dual Large Plus (20in) costs roughly $1,587 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 $816 a year.
Filling up the 2026 Rivian R1S Performance Dual Large Plus (20in), in dollars
Covering the 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 317-mile range takes about 136.7 kWh, which costs about $33.55 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 17,974 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large Plus (20in) alone ranks 328 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) 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.
Get quotes from local electricians for Level 2 charger installation in District of Columbia before deciding.
Where these figures come from
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.