Charging a 2027 Rivian R1S Premium (20in AT) at home in Texas

In Texas, home electricity runs 16.11¢/kWh — put a 2027 Rivian R1S Premium (20in AT)'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. That works out to 55.4% cheaper per mile than gasoline in Texas — charging at home is much cheaper than gas here.

What a year of driving costs

Texas owners putting 15,000 annual miles on a 2027 Rivian R1S Premium (20in AT) spend about $1,072 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,331 saved annually, at this mileage.

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

At Texas's rate, fully covering this 2027 Rivian R1S Premium (20in AT)'s 289-mile EPA range costs about $20.65 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in AT) in Texas ranks 13,411 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in AT) ranks 342 of 400 EV models for raw efficiency, and Texas ranks 28 of 51 for cheapest residential electricity.

Next step: home charger installation

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

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in AT)'s cost in Texas. Curious how Texas's 16.11¢/kWh compares? The guide to charging cost by state ranks every state side by side.