Oregon home charging cost for the 2026 Rivian R1S All-Terrain Performance Dual Large (20in)

At Oregon's residential electricity rate of 15.31¢/kWh, a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) (rated 44.4 kWh per 100 miles by the EPA) costs $6.79 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: 57.6% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Large (20in) costs roughly $1,019 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 $1,384 a year.

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

Covering the 2026 Rivian R1S All-Terrain Performance Dual Large (20in)'s EPA-rated 289-mile range takes about 128.2 kWh, which costs about $19.63 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 12,440 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Large (20in) alone ranks 345 of 400 models for efficiency; Oregon alone ranks 21 of 51 states for electricity price.

Before you install a home charger in Oregon

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain 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.