Washington State EV Charging Rates: Hydroelectric Savings and Puget Sound Energy
Washington State boasts among the nations lowest EV fueling costs due to abundant Columbia River hydroelectric generation and a state sales tax exemption on qualifying clean vehicles.
Washington State is one of the most electrified automotive markets in the country. With abundant public hydroelectric power supplied by the Bonneville Power Administration and local PUDs, EV driving costs represent a fraction of internal combustion equivalents.
| Utility Provider / Charging Method | Delivered Rate / kWh | Cost for 60 kWh Pack | Cost per Mile |
|---|---|---|---|
| Seattle City Light (Residential Tier 1) | $0.112 / kWh | $6.72 | $0.032 |
| Puget Sound Energy (PSE Standard Rate) | $0.128 / kWh | $7.68 | $0.036 |
| PSE Off-Peak EV Time-of-Use | $0.081 / kWh | $4.86 | $0.023 |
| Highway 99 / I-5 Corridor DC Fast Charging | $0.450 / kWh | $27.00 | $0.128 |
| Gasoline Equivalent (Gas @ $4.45/gal in Seattle) | N/A | N/A | $0.148 |
Hydroelectric Utility Tariffs: Seattle City Light and PSE
Seattle City Light and public utility districts (PUDs) across central Washington offer residential electric rates as low as 9.5¢ to 11.5¢ per kWh. Puget Sound Energy (PSE) provides dedicated Time-of-Use tariffs with deep overnight discounts from 11 PM to 7 AM.
Washington State Clean Fuel Vehicle Sales Tax Exemption
Washington offers a partial retail sales and use tax exemption for new and used clean alternative fuel passenger vehicles priced below statutory transaction thresholds ($45,000 for new vehicles), saving buyers up to $1,500 to $3,000 at closing.
Frequently asked questions
- How much is the Washington State annual electric vehicle fee?
- Washington State assesses a $150 basic electric vehicle fee plus a $75 transportation electrification fee, totaling $225 annually at vehicle tab renewal.
- Does Puget Sound Energy offer rebates for home Level 2 charging stations?
- Yes. PSE offers up to a $350 instant rebate on select smart Level 2 ENERGY STAR certified chargers, plus additional incentives for low-to-moderate-income households.
Sources and references
More in EV charging by state
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