What it costs to charge a 2027 Rivian R1S Premium Long Range (20in AT) in Oklahoma

In Oklahoma, home electricity runs 13.37¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $5.78, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 63.9% cheaper per mile than gasoline in Oklahoma — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Premium Long Range (20in AT) in Oklahoma runs about $867 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,536 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Premium Long Range (20in AT), in dollars

$21.38 — that's what Oklahoma's 13.37¢/kWh rate puts on the 159.9 kWh a 2027 Rivian R1S Premium Long Range (20in AT) needs for its full 370-mile EPA range.

2027 Rivian R1S Premium Long Range (20in AT) in Oklahoma, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in Oklahoma ranks 8,423 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in AT) ranks 331 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Ask a licensed Oklahoma electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.