Oregon home charging cost for the 2026 Rivian R1S All-Terrain Dual Max (20in)
A 2026 Rivian R1S All-Terrain Dual Max (20in) draws 43.2 kWh per 100 miles per the EPA; at Oregon's 15.31¢/kWh residential rate that's $6.62 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 58.7% less than gas per mile, here specifically.
2026 Rivian R1S All-Terrain Dual Max (20in): yearly cost in Oregon
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Dual Max (20in) costs roughly $993 a year to charge at home in Oregon, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,410 a year.
What one full charge costs
Covering the 2026 Rivian R1S All-Terrain Dual Max (20in)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $24.49 at Oregon'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 11,906 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Max (20in) alone ranks 333 of 400 models for efficiency; Oregon alone ranks 21 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 Oregon electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 15.31¢/kWh, Oregon sits in the middle of the national range — the guide to why charging cost varies by state shows where.