Current participants in the Western Resource Adequacy Program. All will be part of binding operations beginning in Winter 2027/2028 unless otherwise noted.

• Arizona Public Service Company
• Avista Corp
• Bonneville Power Administration
• Calpine Energy Solutions*
• PUD No. 1 of Chelan County  
• Clatskanie People’s Utility District
• Constellation 
• Eugene Water & Electric Board*
• PUD #2 of Grant County  
• Idaho Power
• NorthWestern Energy
• NV Energy*
• PacifiCorp*
• Portland General Electric Company*
• Powerex Corp.
• Public Service Company of New Mexico*
• Puget Sound Energy
• Salt River Project Agricultural Improvement and Power District
• Seattle City Light
• Shell Energy North America^
• Tacoma Power
• The Energy Authority, Inc.
• Tucson Electric Power

* Provided exit notice in October 2025; will leave the program prior to Winter 2027/2028 binding season 
^ Provided exit notice in 2024; will leave the program by the end of 2026