EV vs Gas Cost in Washington (2026)
Washington electricity averages 10.2¢/kWh. Gas is $4.05/gallon. Driving an EV 12,000 miles costs $350/year vs $1,620/year for a 30 MPG gas car.
Annual savings
$1,270
per year
5-year savings
$6,350
fuel only
EV/mile
2.9¢
vs 13.5¢ gas
State rebate
$2,500
available
Washington beats the national average
National average EV fuel savings: $728/year. Washington comes in $542/year higher. Cheap electricity (10.2¢/kWh) and high gas ($4.05/gal) — strong combination for EV owners.
Washington: EV vs gas full breakdown
| EV | Gas car (30 MPG) | |
|---|---|---|
| Fuel rate | 10.2¢/kWh | $4.05/gal |
| Cost per mile | 2.9¢/mile | 13.5¢/mile |
| Annual fuel (12,000 mi) | $350 | $1,620 |
| 5-year fuel | $1,750 | $8,100 |
| Annual fuel savings | $1,270/yr · $6,350 over 5 years | |
3.5 mi/kWh EV efficiency · 30 MPG gas car · home charging · 2026 EIA electricity rates and GasBuddy gas prices
Washington savings calculator — adjust for your situation
EV annual fuel
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Gas annual fuel
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Annual savings
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Electricity: 10.2¢/kWh · Gas: $4.05/gal · Washington 2026 rates
Washington EV incentives (2026)
State rebate: up to $2,500
Washington Clean Alternative Fuel Vehicle (CAFV) Program: $2,500 rebate for new BEV. Sales tax exemption applies to BEVs under $45K MSRP.
HOV lane access
EVs can use carpool lanes solo in Washington.
Sales tax exemption
EV purchases are exempt from state sales tax.
Electricity: 10.2¢/kWh
5.9¢ below the national average of 16.1¢/kWh. A full 75 kWh battery charge costs $7.65.
Source: EIA 2026 residential rates
Gas: $4.05/gallon
$0.85 above the national average of $3.2/gal. Filling a 15-gallon tank costs $60.75 in Washington.
Source: GasBuddy 2026 state averages
EV charging availability in Washington
Well-coveredWashington has strong public charging infrastructure — DC fast chargers, Tesla Superchargers, and Level 2 stations are widely available along major corridors and in urban areas.
Compare other states
More Washington EV data