What it costs to charge a 2027 Rivian R1S Quad (20in AT) in Texas

At Texas's residential electricity rate of 16.11¢/kWh, a 2027 Rivian R1S Quad (20in AT) (rated 50.1 kWh per 100 miles by the EPA) costs $8.07 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 49.6% cheaper per mile than gasoline in Texas — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1S Quad (20in AT) in Texas runs about $1,211 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,192 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Quad (20in AT), in dollars

$26.23 — that's what Texas's 16.11¢/kWh rate puts on the 162.8 kWh a 2027 Rivian R1S Quad (20in AT) needs for its full 325-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Quad (20in AT) in Texas ranks 15,196 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Quad (20in AT) ranks 390 of 400 EV models for raw efficiency, and Texas ranks 28 of 51 for cheapest residential electricity.

Before you install a home charger in Texas

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.

Ask a licensed Texas electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.11¢/kWh, Texas sits in the middle of the national range — the guide to why charging cost varies by state shows where.