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PGRR115

Summary

Title Related to NPRR1234, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater
Next Group TAC
Next Step TAC for consideration
Status Pending

Action

Date Gov Body Action Taken Next Steps
03/06/2025 ROS Recommended for Approval TAC for consideration
02/06/2025 ROS Recommended for Approval ROS for Impact Analysis consideration
07/11/2024 ROS Deferred/Tabled ROS for consideration

Voting Record

Date Gov Body Motion Result
03/06/2025 ROS To endorse and forward to TAC the 2/6/25 ROS Report as amended by the 2/14/25 ERCOT Steel Mills comments and the 5/28/24 Impact Analysis for PGRR115 Passed
02/06/2025 ROS To recommend approval of PGRR115 as amended by the 2/5/25 CenterPoint comments Passed
07/11/2024 ROS To table PGRR115 and refer the issue to the Planning Working Group (PLWG) Passed

Background

Status: Pending
Date Posted: May 28, 2024
Sponsor: ERCOT
Urgent: No
Sections: 2.1, 4.1.1.1, 4.1.1.2, 5.2.10 (new), 5.3.5, 6.6 (new), 6.6.1 (new), 6.6.2 (new), 6.6.3 (new), 6.10, 9 (new), 9.1 (new), 9.2 (new), 9.2.1 (new), 9.2.2 (new), 9.2.3 (new), 9.2.4 (new), 9.2.5 (new), 9.3 (new), 9.3.1 (new), 9.3.2 (new), 9.3.3 (new), 9.3.4 (new), 9.3.4.1 (new), 9.3.4.2 (new), 9.3.4.3 (new), 9.4 (new), 9.5 (new), 9.5.1 (new), 9.5.2 (new), and 9.6 (new)
Description: This Planning Guide Revision Request (PGRR) creates a new process for studying the reliability impacts of all Large Loads (as defined in the accompanying NPRR1234) seeking to interconnect to the ERCOT System. As with the Full Interconnection Study (FIS) required for proposed Generation Resources, this PGRR requires a Large Load Interconnection Study (LLIS) for each new Large Load meeting applicability requirements that is proposed to interconnect to the ERCOT System. Like the FIS, the LLIS will consist of a similar suite of studies conducted by one or more affected Transmission Service Providers (TSPs). This PGRR describes these studies in detail and establishes timelines for the review of these studies and the completion of other steps in the interconnection process. This PGRR also: requires all Large Loads evaluated via the LLIS to be included in the existing quarterly stability assessment prior to Initial Energization; adds additional reliability performance criteria for the inclusion and evaluation of Large Loads in planning studies; adds requirements that must be met prior to including a Large Load in the ERCOT Network Operations Model; and establishes required interconnection equipment for both Generation Resources and Large Loads.
Reason: Strategic Plan Objective 1

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