What it costs to charge a 2026 Tesla Model 3 Standard RWD in Pennsylvania
A 2026 Tesla Model 3 Standard RWD draws 24.3 kWh per 100 miles per the EPA; at Pennsylvania's 20.9¢/kWh residential rate that's $5.08 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 68.3% cheaper per mile than gasoline in Pennsylvania — charging at home costs a fraction of what gas would here.
What a year of driving costs
Home charging this 2026 Tesla Model 3 Standard RWD in Pennsylvania runs about $762 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,641 saved annually, at this mileage.
What one full charge costs
$16.3 — that's what Pennsylvania's 20.9¢/kWh rate puts on the 78 kWh a 2026 Tesla Model 3 Standard RWD needs for its full 321-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in Pennsylvania ranks 4,919 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Standard RWD ranks 2 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Pennsylvania's 20.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.