Notification of Revised ISO Operating Procedures 4410D and 4510A
The California ISO has revised the operating procedure referenced below.
4410D Emergency Assistance Resource IDs, version 4.1, effective March 18, 2021
Created Emergency Assistance Wheel Resource ID for Imperial Irrigation District (IID) per Customer Inquiry, Dispute and Information system (CIDI) Ticket 00231030.
Updated instances of ISO to CAISO and minor formatting.
4510A Load Shed Calculation Guideline - Public Attachment, version 13.0, effective March 18, 2021
Annual Review: Updated percentage numbers based on 2020 peak load data. Added clarification to explain how the share of MW load shed per Utility Distribution Company/Metered Subsystem (UDC/MSS) is calculated. Replaced instances of ISO with CAISO throughout and minor format and grammar edits.