Charging a 2026 Tesla Model 3 Standard RWD at home in Washington
In Washington, home electricity runs 14.35¢/kWh — put a 2026 Tesla Model 3 Standard RWD's EPA-rated 24.3 kWh/100mi against that and 100 miles costs $3.49, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 78.2% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.
2026 Tesla Model 3 Standard RWD: yearly cost in Washington
Washington owners putting 15,000 annual miles on a 2026 Tesla Model 3 Standard RWD spend about $523 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,880 saved annually, at this mileage.
What one full charge costs
At Washington's rate, fully covering this 2026 Tesla Model 3 Standard RWD's 321-mile EPA range costs about $11.19 (78 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in Washington ranks 169 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 Washington ranks 15 of 51 for cheapest residential electricity.
Before you install a home charger in Washington
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 Washington electrician quotes for Level 2 install before you commit either way.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.