Related Files
Status
The NERC Inverter-Based
Resource Performance Subcomittee (IRPS) submitted Revisions to FAC-001-4 and
FAC-002-4 Standard Authorization Request (SAR) that was accepted
by the Standards Committee (SC) on November 13, 2024. A formal comment
period for the Project 2022-04 EMT Modeling Standard Authorization
Request - Revisions to FAC-001-4 and FAC-002-4 is open through 8 p.m.
Eastern, Thursday, January 9, 2025.
Background
The bulk power system (BPS) in North America is undergoing a rapid transformation towards high penetrations of inverter‐based resources. Transmission Planners (TP) and Planning Coordinators (PC) are concerned about the lack of accurate modeling data and the need to perform electromagnetic transient (EMT) studies during the interconnection process and long‐term planning horizon. The growth of inverter technology has pushed conventional planning tools to their limits in many ways, and TPs and PCs are now faced with the need to conduct more detailed studies using EMT models for issues related to inverter-based resource integration issues.
The
recent SAR proposes modification
to the latest versions of NERC FAC-001 and FAC-002, while ensuring alignment and complement with
FERC Order No. 2023 and FERC
GIA/GIP.
Standard(s) Affected: FAC-001, FAC-002, MOD-032, and TPL-001
Purpose/Industry Need
As
the scope of this project relates to Milestone 3 Standards Development projects,
but has no assigned FERC directives from Order No. 901, this project will be
developed in tandem with Milestone 3 projects, but is not considered a
Milestone 3 project. This project is to address the reliability risks
presented to the BPS due to the observed systemic deficiencies in IBR
performance and modeling, as well as creating opportunities for improvement to
enhance generator interconnection requirements and study processes through
enhancements to FAC-001 and FAC-002.
This project will
continue to address the reliability‐related need and benefit by ensuring TPs and PCs have the models and tools necessary to adequately conduct reliability assessments under increasing levels of inverter‐based resources. This requires the collection of EMT models by applicable entities and TPs and PCs to conduct EMT studies where needed.
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