Notification of revised RC West operating procedures RC0120A, RC0410A, and RC0610A

RC West has revised the operating procedure(s) referenced below. 

RC0120A RC West IRO-010 Data Specification, version 6.7, effective Oct. 1, 2025. 

Data Specification tab: Updated line 22 Data Item, replacing Net Actual Interchange with Actual Net Interchange (NIA) and line 23 Data Item, replacing Net Scheduled Interchange with Scheduled Net Interchange (NIS) to align with North American Electric Reliability Corporation (NERC) BAL-004-WECC-4 update 10/01/25.

Exceptions tab: Removed NaturEner Wind Watch (WWA) from Entity list.

RC0410A EOP-011 Plan Review Checklist, version 3.6, effective Oct. 1, 2025. 

Updated to include Operating Process for extreme cold weather for NERC TOP-002-5 R8. Minor format and grammar edits. 

RC0610A Criteria for Determining Facilities Critical to Derivation of IROL (Interconnection Reliability Operating Limit), version 1.4, effective Oct. 1, 2025. 

Periodic Review: Minor edit to Operationally Affected Parties, Included NERC FAC-011 and FAC-014 Requirements in References section. Minor format and grammar edits.

The California ISO and RC West operating procedures are available on the Operating Procedures webpage.