2026 Rivian R1S Performance Dual Max (20in), OK Charging…

Charging a 2026 Rivian R1S Performance Dual Max (20in) at home in Oklahoma

In Oklahoma, home electricity runs 13.37¢/kWh, put a 2026 Rivian R1S Performance Dual Max (20in)'s EPA-rated 42 kWh/100mi against that and 100 miles costs $5.61, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 65% cheaper per mile than gasoline in Oklahoma, charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Oklahoma owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Max (20in) spend about $842 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,561 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Rivian R1S Performance Dual Max (20in)'s 380-mile EPA range costs about $21.32 (159.5 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 Max (20in) in Oklahoma ranks 7,487 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Max (20in) ranks 299 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 Max (20in) 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.

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.