Charging a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) at home in Oklahoma

A 2026 Rivian R1T All-Terrain Performance Dual Large (20in) draws 44.4 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $5.93 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63% cheaper per mile than gasoline in Oklahoma — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Oklahoma owners putting 15,000 annual miles on a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) spend about $890 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,513 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Rivian R1T All-Terrain Performance Dual Large (20in)'s 289-mile EPA range costs about $17.14 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T All-Terrain Performance Dual Large (20in) in Oklahoma ranks 9,084 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T All-Terrain Performance Dual Large (20in) ranks 347 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 R1T All-Terrain Performance Dual Large (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.

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

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.