Project 2018-04 Modifications to PRC-024-2

Related Files

A 45-day comment period for PRC-024-3 – Generator Frequency and Voltage Protection Settings is open through 8 p.m. Eastern, Friday, May 31, 2019.

Ballot pools are being formed through 8 p.m. Eastern, Thursday, May 16, 2019.

A 10-day initial ballot for the standard and a non-binding polls of the associated Violation Risk Factors and Violation Severity Levels, will be conducted May 22-31, 2019.

On November 27, 2018, the NERC Operating Committee (OC) and Planning Committee (PC) submitted a Standard Authorization Request (SAR) prepared by the Inverter-Based Resource Performance Task Force (IRPTF), which reports to the OC and PC.

Based off the analyses of the Blue Cut Fire and Canyon 2 Fire disturbances in southern California along with the development of the PRC-024-2 Gaps Whitepaper, the IRPTF identified potential modifications to PRC-024-2 to ensure that inverter-based generator owners, operators, developers, and equipment manufacturers understand the intent of the standard in order for their plants to respond to grid disturbances in a manner that contributes to the reliable operation of the BPS.

The standard drafting team developed the proposed modifications in PRC-024-3 to address the issues in the SAR.

Standard(s) Affected PRC-024-2

DraftActionsDatesResultsConsideration of Comments



​Draft 1


Clean | Redline to Last Approved

Implementation Plan

Supporting Materials

Unofficial Comment Form (Word)

VRF/VSL Justification

Summary of Key Changes


Initial Ballot and Non-binding Poll




05/22/19 - 05/31/19


Comment Period


Submit Comments




04/17/19 - 05/31/19


Join Ballot Pools

04/17/19 - 05/16/19


​Standard Authorization Request (SAR)



​The Standards Committee Accepted the SAR on February 20, 2019

Drafting Team Nominations

Supporting Materials

Unofficial Nomination Form (Word) Updated

Nomination Period


Submit Nominations

12/19/18 - 01/18/19

Standard Authorization Request

Supporting Materials

Unofficial Comment Form (Word) Updated

PRC-024-2 Gaps Whitepaper

Comment Period


Submit Comments


12/19/18 – 01/18/19

Comments Received