2027 Rivian R1S Premium (22in): home charging cost in Pennsylvania

In Pennsylvania, home electricity runs 20.9¢/kWh — put a 2027 Rivian R1S Premium (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $8.25, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 48.5% 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 Premium (22in) charged at home in Pennsylvania costs about $1,237/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,165 a year.

Cost of a full charge

A 2027 Rivian R1S Premium (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $27.14 at 20.9¢/kWh in Pennsylvania.

How this compares nationally

This combination ranks 15,429 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (22in) alone ranks 249 of 400 models for efficiency; Pennsylvania alone ranks 37 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium (22in) at home

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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (22in)'s cost in Pennsylvania. Pennsylvania's 20.9¢/kWh rate ranks 37 of 51 states; the state rate guide lays out the full spread.