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

A 2027 Rivian R1S Premium (20in) draws 42.9 kWh per 100 miles per the EPA; at Texas's 16.11¢/kWh residential rate that's $6.91 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 56.9% 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) spend about $1,036 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,367 saved annually, at this mileage.

What one full charge costs

At Texas's rate, fully covering this 2027 Rivian R1S Premium (20in)'s 300-mile EPA range costs about $20.72 (128.6 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Premium (20in) in Texas, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium (20in) in Texas ranks 12,829 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium (20in) ranks 314 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)'s cost in Texas. At 16.11¢/kWh, Texas sits in the middle of the national range — the guide to why charging cost varies by state shows where.