Washington
power plants.
Washington has 134 power plants in our public-data catalog, totalling 33 GW of tracked capacity. Its generating fleet leans on hydro — 68.1% of tracked capacity, with natural gas second at 12.9%. The largest plant we track is Grand Coulee (6,809 MW, online since 1967).
Washington electricity mix
Tracked installed capacity by fuel. Each links to its global page.
Largest plants in Washington
Frequently asked questions
Where does Washington get its electricity?
Across the 134 plants we track in Washington, capacity is led by hydro at 68.1%, then natural gas at 12.9%. These are tracked installed-capacity shares from public data, not live generation.
What is the largest power plant in Washington?
The largest plant in our Washington catalog is Grand Coulee, a hydro facility with 6,809 MW (commissioned 1967).
How many power plants are in Washington?
Our catalog tracks 134 power plants in Washington totalling 33 GW, built from EIA, WRI and OpenStreetMap. The true total including the smallest installations is higher.