2026 Rivian R1S All-Terrain Dual Large (20in): home charging cost in Texas
In Texas, home electricity runs 16.11¢/kWh — put a 2026 Rivian R1S All-Terrain Dual Large (20in)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $7.15, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 55.4% 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 R1S All-Terrain Dual Large (20in) charged at home in Texas costs about $1,072/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,331 a year.
Cost of a full charge
A 2026 Rivian R1S All-Terrain Dual Large (20in) needs roughly 128.2 kWh to reach its EPA-rated 289-mile range, which runs about $20.65 at 16.11¢/kWh in Texas.
Where this ranks
This combination ranks 13,416 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large (20in) alone ranks 344 of 400 models for efficiency; Texas alone ranks 28 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1S All-Terrain Dual Large (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.
Ask a licensed Texas electrician to quote the install before this math becomes a real decision.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Texas's 16.11¢/kWh rate ranks 28 of 51 states; the state rate guide lays out the full spread.