2026 Rivian R1S Performance Dual Large (20in): home charging cost in Oregon

At Oregon's residential electricity rate of 15.31¢/kWh, a 2026 Rivian R1S Performance Dual Large (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $6.56 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 much cheaper than gas here: 59% less than gas per mile, here specifically.

2026 Rivian R1S Performance Dual Large (20in): yearly cost in Oregon

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Performance Dual Large (20in) charged at home in Oregon costs about $985/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,418 a year.

Filling up the 2026 Rivian R1S Performance Dual Large (20in), in dollars

A 2026 Rivian R1S Performance Dual Large (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $19.69 at 15.31¢/kWh in Oregon.

2026 Rivian R1S Performance Dual Large (20in) in Oregon, ranked

This combination ranks 11,696 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance Dual Large (20in) alone ranks 317 of 400 models for efficiency; Oregon alone ranks 21 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large (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.

Ask a licensed Oregon electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Large (20in)'s cost in Oregon. Curious how Oregon's 15.31¢/kWh compares? The guide to charging cost by state ranks every state side by side.