2026 Rivian R1S Dual Large (22in), OK Charging Cost

What it costs to charge a 2026 Rivian R1S Dual Large (22in) in Oklahoma

A 2026 Rivian R1S Dual Large (22in) draws 39.5 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $5.28 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 67.1% cheaper per mile than gasoline in Oklahoma, charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 Rivian R1S Dual Large (22in) in Oklahoma runs about $792 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,611 saved annually, at this mileage.

What one full charge costs

$17.36, that's what Oklahoma's 13.37¢/kWh rate puts on the 129.9 kWh a 2026 Rivian R1S Dual Large (22in) needs for its full 329-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Large (22in) in Oklahoma ranks 5,827 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1S Dual Large (22in) ranks 250 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Before you install a home charger in Oklahoma

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.

Line up a few Oklahoma electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. 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.