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Washington   Washington Profile

State Profile and Energy Estimates

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Profile Overview

Quick Facts

  • The Grand Coulee Dam on Washington's Columbia River is the largest power plant by generation capacity in the United States, and the seventh-largest hydropower plant in the world. It can provide 4.2 million households with electricity for one year.
  • Washington generated the most electricity from hydropower of any state and accounted for 24% of the nation's annual utility-scale hydroelectricity generation in 2019.
  • Although not a crude oil producing state, Washington has the fifth-largest crude oil refining capacity in the nation and can process almost 652,000 barrels of crude oil per day at the state's five refineries. 
  • In 2019, Washington had the fourth-lowest average electricity retail prices in the nation, and 56% of the state's households used electricity as their primary home heating fuel.
  • In 2018, Washington consumed more natural gas than about two-fifths of the states, but used less per capita than all but four other states. The largest share of the state's natural gas comes from Canada, either directly or through the state of Idaho.

Last Updated: January 21, 2021

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