2026 Rivian R1T Dual Standard (20in): home charging cost in Oklahoma

A 2026 Rivian R1T Dual Standard (20in) draws 42.9 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $5.73 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 64.2% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Dual Standard (20in) charged at home in Oklahoma costs about $860/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,543 a year.

What one full charge costs

A 2026 Rivian R1T Dual Standard (20in) needs roughly 110.6 kWh to reach its EPA-rated 258-mile range, which runs about $14.79 at 13.37¢/kWh in Oklahoma.

Where this ranks

This combination ranks 8,161 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Standard (20in) alone ranks 313 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1T Dual Standard (20in) at home

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.