152 plants · 36.3 GW total capacity
Washington has 152 power plants with 36.3 GW total capacity. The generation mix includes 73 hydro, 24 wind, 16 gas plants.
Largest is Grand Coulee (6809 MW Hydro); oldest active is Snoqualmie (1898); newest is Goose Prairie Solar (2024); top owner is PUGET HOLDINGS (18 plants).
207 interconnection queue projects in Washington totaling 58.5 GW of proposed capacity.
Showing top 50 of 207 projects by capacity.