2026 Rivian R1T Dual Large Plus (20in): home charging cost in Texas
A 2026 Rivian R1T Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Texas's 16.11¢/kWh residential rate that's $6.95 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: 56.6% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Dual Large Plus (20in) charged at home in Texas costs about $1,042/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,361 a year.
What one full charge costs
A 2026 Rivian R1T Dual Large Plus (20in) needs roughly 136.7 kWh to reach its EPA-rated 317-mile range, which runs about $22.02 at 16.11¢/kWh in Texas.
Where this ranks
This combination ranks 12,958 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Large Plus (20in) alone ranks 329 of 400 models for efficiency; Texas alone ranks 28 of 51 states for electricity price.
Before you install a home charger in Texas
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.
Get quotes from local electricians for Level 2 charger installation in Texas before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 16.11¢/kWh, Texas sits in the middle of the national range — the guide to why charging cost varies by state shows where.