Explore the largest solar farms expected to come online in Washington and see all proposed solar projects on a map.
Last updated: May 2026
On this page, you can explore our database of planned solar farms in Washington. Each month, we track projects in development and update our list of the largest solar farms expected to come online in Washington.
As of May 2026, there are 7 solar farms in development in Washington, according to Cleanview's project tracker. Their total planned capacity is 2,090 MW. See also: operating solar farms in Washington→
Planned Projects
7
Planned Capacity
2,090 MW
Unique Developers
4
Map of planned solar farms in Washington. Marker size reflects planned capacity.
1,200 MW
Expected Online: September 2031
Location: Benton, Washington
Developer: BrightNight
300 MW
Expected Online: October 2029
Location: Garfield, Washington
Developer: Puget Sound Energy
160 MW
Expected Online: November 2028
Location: Klickitat, Washington
Developer: Cypress Creek Renewables
140 MW
Expected Online: December 2027
Location: Klickitat, Washington
130 MW
Expected Online: December 2026
Location: Grant, Washington
Developer: Silicon Ranch
80 MW
Expected Online: January 2029
Location: Yakima, Washington
Developer: Cypress Creek Renewables
80 MW
Expected Online: July 2026
Location: Yakima, Washington
Developer: Cypress Creek Renewables
Cleanview