2026 Tesla Model 3 Performance: home charging cost in Oregon
At Oregon's residential electricity rate of 15.31¢/kWh, a 2026 Tesla Model 3 Performance (rated 29.6 kWh per 100 miles by the EPA) costs $4.53 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 costs a fraction of what gas would here: 71.7% 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 2026 Tesla Model 3 Performance charged at home in Oregon costs about $679/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,724 a year.
What one full charge costs
A 2026 Tesla Model 3 Performance needs roughly 91.4 kWh to reach its EPA-rated 309-mile range, which runs about $14 at 15.31¢/kWh in Oregon.
How this compares nationally
This combination ranks 2,554 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Performance alone ranks 52 of 400 models for efficiency; Oregon alone ranks 21 of 51 states for electricity price.
Getting set up to charge a 2026 Tesla Model 3 Performance 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.
Get quotes from local electricians for Level 2 charger installation in Oregon before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Oregon's 15.31¢/kWh rate ranks 21 of 51 states; the state rate guide lays out the full spread.