Oklahoma home charging cost for the 2027 Rivian R1S Premium (20in AT)

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2027 Rivian R1S Premium (20in AT) (rated 44.4 kWh per 100 miles by the EPA) costs $5.93 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. Charging at home is much cheaper than gas here: 63% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium (20in AT) costs roughly $890 a year to charge at home in Oklahoma, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,513 a year.

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

Covering the 2027 Rivian R1S Premium (20in AT)'s EPA-rated 289-mile range takes about 128.2 kWh, which costs about $17.14 at Oklahoma's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

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

This combination ranks 9,075 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (20in AT) alone ranks 342 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.

Before you install a home charger in Oklahoma

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Oklahoma electrician quotes for Level 2 install before you commit either way.

Where these figures come from

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.