2026 Rivian R1S All-Terrain Dual Large Plus (20in), OK…

2026 Rivian R1S All-Terrain Dual Large Plus (20in): home charging cost in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) (rated 46.9 kWh per 100 miles by the EPA) costs $6.27 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: 60.9% 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 All-Terrain Dual Large Plus (20in) charged at home in Oklahoma costs about $940/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,463 a year.

Cost of a full charge

A 2026 Rivian R1S All-Terrain Dual Large Plus (20in) needs roughly 136.9 kWh to reach its EPA-rated 292-mile range, which runs about $18.31 at 13.37¢/kWh in Oklahoma.

Where this ranks

This combination ranks 10,560 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large Plus (20in) alone ranks 365 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Dual Large Plus (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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s cost in Oklahoma. Oklahoma is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.