Charging a 2026 Rivian R1S Quad Max (22in) at home in Oregon

At Oregon's residential electricity rate of 15.31¢/kWh, a 2026 Rivian R1S Quad Max (22in) (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. That works out to 57.6% 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 2026 Rivian R1S Quad Max (22in) spend about $1,019 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,384 saved annually, at this mileage.

What one full charge costs

At Oregon's rate, fully covering this 2026 Rivian R1S Quad Max (22in)'s 374-mile EPA range costs about $25.41 (166 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S Quad Max (22in) in Oregon, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Quad Max (22in) in Oregon ranks 12,441 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad Max (22in) ranks 350 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.

Get quotes from local electricians for Level 2 charger installation in Oregon before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Oregon's 15.31¢/kWh rate ranks 21 of 51 states; the state rate guide lays out the full spread.