Charging a 2026 Rivian R1S Dual Standard (20in) at home in Oregon
In Oregon, home electricity runs 15.31¢/kWh — put a 2026 Rivian R1S Dual Standard (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $6.56, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 59% cheaper per mile than gasoline in Oregon — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Oregon owners putting 15,000 annual miles on a 2026 Rivian R1S Dual Standard (20in) spend about $984 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,418 saved annually, at this mileage.
What one full charge costs
At Oregon's rate, fully covering this 2026 Rivian R1S Dual Standard (20in)'s 258-mile EPA range costs about $16.93 (110.6 kWh) — the energy the EPA test actually used, not the battery's rated size.
2026 Rivian R1S Dual Standard (20in) in Oregon, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (20in) in Oregon ranks 11,695 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (20in) ranks 312 of 400 EV models for raw efficiency, and Oregon ranks 21 of 51 for cheapest residential electricity.
Before you install a home charger in Oregon
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 Oregon electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Dual Standard (20in)'s cost in Oregon. At 15.31¢/kWh, Oregon sits in the middle of the national range — the guide to why charging cost varies by state shows where.