What it costs to charge a 2027 Rivian R1S Performance (22in) in Oklahoma

In Oklahoma, home electricity runs 13.37¢/kWh — put a 2027 Rivian R1S Performance (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $5.96, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.8% cheaper per mile than gasoline in Oklahoma — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Performance (22in) in Oklahoma runs about $894 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,509 saved annually, at this mileage.

What one full charge costs

$22.11 — that's what Oklahoma's 13.37¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1S Performance (22in) needs for its full 371-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (22in) in Oklahoma ranks 9,250 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (22in) ranks 354 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Performance (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.

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.