What it costs to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) in Oklahoma
In Oklahoma, home electricity runs 13.37¢/kWh — put a 2026 Rivian R1S Performance Dual Large Plus (20in)'s EPA-rated 43.1 kWh/100mi against that and 100 miles costs $5.77, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64% 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 2026 Rivian R1S Performance Dual Large Plus (20in) in Oklahoma runs about $865 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,538 saved annually, at this mileage.
What one full charge costs
$18.28 — that's what Oklahoma's 13.37¢/kWh rate puts on the 136.7 kWh a 2026 Rivian R1S Performance Dual Large Plus (20in) needs for its full 317-mile EPA range.
2026 Rivian R1S Performance Dual Large Plus (20in) in Oklahoma, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in Oklahoma ranks 8,327 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 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 (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.
Get quotes from local electricians for Level 2 charger installation in Oklahoma before deciding.
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.