Explore the largest natural gas power plants in Washington and see all the utility-scale natural gas projects in Washington on a map.
Last updated: May 2026
On this page, you can explore our real-time database of natural gas power plants in Washington. Each month, we track natural gas projects and update our list of the largest natural gas power plants in Washington.
As of May 2026, there are 18 utility-scale natural gas power plants in Washington, according to Cleanview's project tracker. Their total operating capacity is 4,045 MW. See also: planned natural gas power plants in Washington→
Total Natural Gas Power Plants
18
Total Capacity
4,045 MW
Built in 2025
0
Map of natural gas power plants in Washington. Marker size reflects capacity — only facilities with reported capacity data are shown.
715 MW
Year Operational: May 2008
Location: Grays Harbor, Washington
593 MW
Year Operational: August 2003
Location: Lewis, Washington
376 MW
Year Operational: July 2001
Location: Skagit, Washington
319 MW
Year Operational: January 2008
Location: Cowlitz, Washington
318 MW
Year Operational: August 2002
Location: Pierce, Washington
303 MW
Year Operational: August 2004
Location: Klickitat, Washington
286 MW
Year Operational: April 1994
Location: Whatcom, Washington
248 MW
Year Operational: December 1997
Location: Clark, Washington
178 MW
Year Operational: November 1981
Location: Pierce, Washington
3 MW
Year Operational: November 2023
Location: King, Washington
715 MW
Year Operational: May 2008
Location: Grays Harbor, Washington
319 MW
Year Operational: January 2008
Location: Cowlitz, Washington
2 MW
Year Operational: January 2005
Location: Whitman, Washington
303 MW
Year Operational: August 2004
Location: Klickitat, Washington
593 MW
Year Operational: August 2003
Location: Lewis, Washington
318 MW
Year Operational: August 2002
Location: Pierce, Washington
7 MW
Year Operational: May 2002
Location: Stevens, Washington
25 MW
Year Operational: May 2002
Location: Spokane, Washington
Cleanview