Notification of revised ISO operating procedures 2210Z and 5510

The California ISO has revised the operating procedure(s) referenced below. 

2210Z Effectiveness Factors – All, version 29.4, effective June 25, 2025.

• 7320: Added new row to Table 3A for new Control Point (CP) # 29 – Updated version 25.0, effective 6/25/25
• 7340: Added new row to Table 3 for new CP #28 – version 4.0, effective 6/16/25
• 7410: Added new Column to Table 3A-1 to include Pacifica Ultra Power Battery Energy Storage System (BESS) unit – version 10.1, effective 6/23/25.
• 7450: Updated table label to Table 4 - version 2.9, effective 6/23/25.
• 7640: Removed due to procedure retirement on 6/01/25.
• Updated versions and dates only for the following:
  • 6110: version 14.3, effective 4/01/25
  • 6140A: version 2.3, effective 4/16/25
  • 6310: version 26.3, effective 4/01/25
  • 6410: version 11.2, effective 6/01/25
  • 7110: version 13.4, effective 5/01/25
  • 7120: version 9.9, effective 4/25/25
  • 7230: version 16.0, effective 6/19/25
  • 7240: version 14.3, effective 5/15/25
  • 7430: version 27.2, effective 6/25/25
  • 7440: version 4.2, effective 6/01/25
  • 7570: version 13.2, effective 6/01/25
  • 7610: version 1.1, effective 5/22/25
  • 7630: version 17.1, effective 1/09/25
  • 7690: version 5.0, effective 4/03/25
  • 7760: version 2.3, effective 5/15/25
  • 7820: version 20.0, effective 6/05/25
• Minor formatting and removed history prior to five years.

5510 Procedure Development, Maintenance and Distribution, version 6.3, effective June 25, 2025.

Sections 2.2, 3.4, and 3.5: Minor edits for clarity and to reflect current process.

References: Included North American Electric Reliability Corporation (NERC) Standard EOP-005-3.

Definitions: Minor edit under Minor Revision,

Minor formatting and grammar edits.

The ISO’s operating procedures are available on the Operating Procedures webpage.