Related Files
Status
Final ballots concluded at 8 p.m. Eastern, Wednesday, September 18, 2024 for the following standards and implementation plan:
• PRC-002-5 – Disturbance Monitoring and Reporting Requirements
• PRC-028-1 – Disturbance Monitoring and Reporting Requirements for Inverter-Based Resources
• Implementation Plan
The standards will be submitted to the Board of
Trustees for adoption and then filed with the appropriate regulatory
authorities.
The Standards Committee approved waivers to the Standard Processes Manual at their December 2023 meeting. These waivers were sought by NERC Standards staff for reduced formal comment and ballot periods. This will assist the drafting teams in expediting the standards development process due to firm timeline expectations set by FERC Order 901. FERC Order 901 was issued under Docket No. RM22-12-000 on October 19, 2023.
To assist industry in this comment and ballot period, NERC has released a Milestone 2 Summary that provides high-level overview of the current state of the associated projects and their interrelationships. The drafting team's considerations of the responses received from the previous comment period are reflected in this draft of the standard.
Background
This project will be completed in two phases. The first phase addressed the scope regarding notifications relative to the sequence of events recording (SER) and fault recording (FR) data, and to clearly identify the BES Element owners that need to have SER and FR data for transformers and transmission lines with the associated identified bus in the Glencoe Light and Power SAR.
The second phase will address gaps the Inverter-Based Resource Performance Task Force (IRPTF) identified within the PRC-002. The goal is to modify the requirements to ensure adequate data is available and periodically assessed to facilitate the analysis of BES disturbances, including in areas of the Bulk Power System (BPS) that may not be covered by the existing requirements. A new Standard PRC-028-1 - Disturbance Monitoring and Reporting Requirements for Inverter Based Resources has been developed to cover the IRPTF SAR work scope.
Standard(s) Affected – PRC-002-4 Disturbance Monitoring and Reporting Requirements
Purpose/Industry Need
The purpose of PRC-002 is to have adequate data available to facilitate analysis of BES disturbances. Requirements R1 and R5 specify where SER and FR data, and where dynamic Disturbance recording (DDR) data, respectively, are required in the Bulk Electric System (BES).
With the changing resource mix and increasing penetration of IBRs, PRC-002-2 does not serve its intended purpose adequately. To the extent that the standard is already requiring monitoring devices and periodic assessments, the location requirements and associated periodic assessments need to be revised. These revisions are necessary so that required data is available for the purposes of post-mortem event analysis and identifying root causes of large system disturbances.
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