The California ISO has revised the operating procedure referenced below.

2210Z Effectiveness Factors - All, version 1.2, effective Dec. 17, 2019

• Updated version and dates only for the following:
  • 6310: version 22.4, effective 12/06/19
  • 6610: version 13.0, effective 12/17/19
  • 7430: version 23.6, effective 11/21/19
• Added new 7910 - Effectiveness Factors for Valley Electric Association (VEA): Table 3 –VEA CP #2 Generation Effectiveness Factors, version 5.0, effective 12/17/19.

ISO Operating Procedures - http://www.caiso.com/rules/Pages/OperatingProcedures/Default.aspx