What it costs to charge a 2027 Rivian R1T Premium (20in) in Oklahoma
At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2027 Rivian R1T Premium (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $5.73 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 64.2% 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 R1T Premium (20in) in Oklahoma runs about $860 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,543 saved annually, at this mileage.
What one full charge costs
$17.2 — that's what Oklahoma's 13.37¢/kWh rate puts on the 128.6 kWh a 2027 Rivian R1T Premium (20in) needs for its full 300-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium (20in) in Oklahoma ranks 8,155 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium (20in) ranks 315 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 R1T Premium (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
See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Premium (20in)'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.