Pennsylvania home charging cost for the 2026 Rivian R1S All-Terrain Dual Large Plus (20in)
At Pennsylvania's residential electricity rate of 20.9¢/kWh, a 2026 Rivian R1S All-Terrain Dual Large Plus (20in) (rated 46.9 kWh per 100 miles by the EPA) costs $9.8 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. Charging at home is cheaper than gas here: 38.8% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Dual Large Plus (20in) costs roughly $1,470 a year to charge at home in Pennsylvania, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $933 a year.
Cost of a full charge
Covering the 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s EPA-rated 292-mile range takes about 136.9 kWh, which costs about $28.61 at Pennsylvania's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 17,232 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large Plus (20in) alone ranks 365 of 400 models for efficiency; Pennsylvania alone ranks 37 of 51 states for electricity price.
Before you install a home charger in Pennsylvania
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.
Line up a few Pennsylvania electrician quotes for Level 2 install before you commit either way.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s cost in Pennsylvania. At 20.9¢/kWh, Pennsylvania sits in the middle of the national range — the guide to why charging cost varies by state shows where.