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

In Oregon, home electricity runs 15.31¢/kWh — put a 2026 Rivian R1S Dual Max (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $6.43, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1S Dual Max (20in) charged at home in Oregon costs about $964/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,439 a year.

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

A 2026 Rivian R1S Dual Max (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $24.42 at 15.31¢/kWh in Oregon.

2026 Rivian R1S Dual Max (20in) in Oregon, ranked

This combination ranks 11,192 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Dual Max (20in) alone ranks 298 of 400 models for efficiency; Oregon alone ranks 21 of 51 states for electricity price.

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

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. Oregon's 15.31¢/kWh rate ranks 21 of 51 states; the state rate guide lays out the full spread.