Charging a 2026 Rivian R1S Performance Dual Large Plus (22in) at home in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (22in) (rated 40.9 kWh per 100 miles by the EPA) costs $5.47 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 65.9% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

What a year of driving costs

Oklahoma owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Large Plus (22in) spend about $820 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,583 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Performance Dual Large Plus (22in), in dollars

At Oklahoma's rate, fully covering this 2026 Rivian R1S Performance Dual Large Plus (22in)'s 330-mile EPA range costs about $18.05 (135 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (22in) in Oklahoma ranks 6,794 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (22in) ranks 279 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large Plus (22in) at home

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 Oklahoma before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Performance Dual Large Plus (22in)'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.