2027 Rivian R1S Performance (20in): home charging cost in Texas
In Texas, home electricity runs 16.11¢/kWh — put a 2027 Rivian R1S Performance (20in)'s EPA-rated 47 kWh/100mi against that and 100 miles costs $7.57, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 52.7% 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 2027 Rivian R1S Performance (20in) charged at home in Texas costs about $1,135/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,267 a year.
Cost of a full charge
A 2027 Rivian R1S Performance (20in) needs roughly 163.5 kWh to reach its EPA-rated 348-mile range, which runs about $26.34 at 16.11¢/kWh in Texas.
2027 Rivian R1S Performance (20in) in Texas, ranked
This combination ranks 14,312 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Performance (20in) alone ranks 369 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.
Line up a few Texas electrician quotes for Level 2 install before you commit either way.
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.