2027 Rivian R1S Premium Long Range (20in AT)

Charging a 2027 Rivian R1S Premium Long Range (20in AT) at home in Oregon

At Oregon's residential electricity rate of 15.31¢/kWh, a 2027 Rivian R1S Premium Long Range (20in AT) (rated 43.2 kWh per 100 miles by the EPA) costs $6.62 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. That works out to 58.7% cheaper per mile than gasoline in Oregon — charging at home is much cheaper than gas here.

What a year of driving costs

Oregon owners putting 15,000 annual miles on a 2027 Rivian R1S Premium Long Range (20in AT) spend about $993 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,410 saved annually, at this mileage.

Cost of a full charge

At Oregon's rate, fully covering this 2027 Rivian R1S Premium Long Range (20in AT)'s 370-mile EPA range costs about $24.49 (159.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Premium Long Range (20in AT) in Oregon, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in Oregon ranks 11,904 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in AT) ranks 331 of 400 EV models for raw efficiency, and Oregon ranks 21 of 51 for cheapest residential electricity.

Next step: home charger installation

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 2027 Rivian R1S Premium Long Range (20in AT)'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.