Charging a 2027 Rivian R1S Performance (22in) at home in Pennsylvania
In Pennsylvania, home electricity runs 20.9¢/kWh — put a 2027 Rivian R1S Performance (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $9.32, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 41.8% cheaper per mile than gasoline in Pennsylvania — charging at home is much cheaper than gas here.
What a year of driving costs
Pennsylvania owners putting 15,000 annual miles on a 2027 Rivian R1S Performance (22in) spend about $1,397 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,006 saved annually, at this mileage.
What one full charge costs
At Pennsylvania's rate, fully covering this 2027 Rivian R1S Performance (22in)'s 371-mile EPA range costs about $34.56 (165.4 kWh) — the energy the EPA test actually used, not the battery's rated size.
2027 Rivian R1S Performance (22in) in Pennsylvania, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (22in) in Pennsylvania ranks 16,766 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (22in) ranks 354 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.
Line up a few Pennsylvania electrician quotes for Level 2 install before you commit either way.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 20.9¢/kWh, Pennsylvania sits in the middle of the national range — the guide to why charging cost varies by state shows where.