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.