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Quick Facts
- By capacity, the Grand Coulee Dam on Washington's Columbia River is the largest power plant in the United States and one of the largest hydroelectric power plants in the world. In 2024, it supplied about 15.4 million megawatthours of electricity to 8 western states and Canada.
- Washington generated more electricity from hydropower than any other state and accounted for 25% of the nation's total utility-scale hydroelectric generation in 2024.
- Washington has the fifth-largest crude oil refining capacity in the nation and can process a combined total of almost 650,000 barrels of crude oil per day at the state's 5 refineries.
- Washington consumes less natural gas than over half of the states and uses less per capita than all but four states. The largest share of the state's natural gas comes from Canada, either directly or through the state of Idaho.
- Washington is part of the West Coast Electric Highway, and has nearly 146,000 battery electric vehicles registered, the fourth most in the nation. As of February 2025, Washington had almost 2,500 public electric vehicle charging locations, the sixth-highest in the nation.
Last Updated: May 15, 2025