District of Columbia home charging cost for the 2026 Rivian R1S All-Terrain Tri Max (20in)
A 2026 Rivian R1S All-Terrain Tri Max (20in) draws 49.8 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $12.23 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 23.7% less than gas per mile, here specifically.
2026 Rivian R1S All-Terrain Tri Max (20in): yearly cost in District of Columbia
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Tri Max (20in) costs roughly $1,834 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 $569 a year.
Filling up the 2026 Rivian R1S All-Terrain Tri Max (20in), in dollars
Covering the 2026 Rivian R1S All-Terrain Tri Max (20in)'s EPA-rated 329-mile range takes about 164 kWh, which costs about $40.23 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 19,142 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Tri Max (20in) alone ranks 388 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.
Next step: home charger installation
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.
Line up a few District of Columbia electrician quotes for Level 2 install before you commit either way.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Tri Max (20in)'s cost in District of Columbia. At 24.54¢/kWh, District of Columbia sits in the middle of the national range — the guide to why charging cost varies by state shows where.