What it costs to charge a 2027 Rivian R1S Performance (20in AT) in Pennsylvania

At Pennsylvania's residential electricity rate of 20.9¢/kWh, a 2027 Rivian R1S Performance (20in AT) (rated 49.8 kWh per 100 miles by the EPA) costs $10.42 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 35% cheaper per mile than gasoline in Pennsylvania — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Performance (20in AT) in Pennsylvania runs about $1,562 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $841 saved annually, at this mileage.

What one full charge costs

$34.27 — that's what Pennsylvania's 20.9¢/kWh rate puts on the 164 kWh a 2027 Rivian R1S Performance (20in AT) needs for its full 329-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (20in AT) in Pennsylvania ranks 17,816 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (20in AT) ranks 386 of 400 EV models for raw efficiency, and Pennsylvania ranks 37 of 51 for cheapest residential electricity.

Before you install a home charger in Pennsylvania

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 Pennsylvania 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 Performance (20in AT)'s cost in Pennsylvania. Curious how Pennsylvania's 20.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.