PGRR PGRR Stability Limits in the Full Interconnect Study Number Title Date of Decision February 2, 2017 Action Recommended Approval Timeline Normal Proposed Effective Upon implementation of Nodal Protocol Revision Request (NPRR) Date 809, GTC or GTL for New Generation Interconnection Priority and Rank Not applicable Assigned 5.4.2, Full Interconnection Study 5.4.3, Steady-State Analysis 5.4.5, Dynamic and Transient Stability (Unit Stability, Voltage, Subsynchronous Resonance) Analysis Guide Sections 5.4.5.1, Subsynchronous Resonance Studies Requiring Revision 5.4.8, FIS Study Report and Follow-up 5.4.10 Confidentiality 5.7.5, Interconnection Process Timetables 7.1, Planning Data and Information Planning Guide Revision Request (PGRR) 052, Stability Related Documents Assessment for Interconnecting Generation Requiring PGRR053, Addition of Proposed All-Inclusive Generation Resources Revision/Revision to the Planning Models Requests NPRR809 This PGRR clarifies the content, review period and process for posting the results of a Full Interconnection Study (FIS). This PGRR Revision Description also establishes a process for identifying, proposing, and implementing solutions to stability issues identified during the FIS. Addresses current operational issues. Meets Strategic goals (tied to the or directed by the ERCOT Board). Market efficiencies or enhancements Reason for Revision Administrative Regulatory requirements Other: (explain) (please select all that apply)
PGRR Number PGRR Title Stability Limits in the Full Interconnect Study Date of Decision February 2, 2017 Action Recommended Approval Timeline Normal Proposed Effective Date Upon implementation of Nodal Protocol Revision Request (NPRR) 809, GTC or GTL for New Generation Interconnection Priority and Rank Assigned Not applicable Guide Sections Requiring Revision 5.4.2, Full Interconnection Study 5.4.3, Steady-State Analysis 5.4.5, Dynamic and Transient Stability (Unit Stability, Voltage, Subsynchronous Resonance) Analysis 5.4.5.1, Subsynchronous Resonance Studies 5.4.8, FIS Study Report and Follow-up 5.4.10 Confidentiality 5.7.5, Interconnection Process Timetables 7.1, Planning Data and Information Related Documents Requiring Revision/Revision Requests Planning Guide Revision Request (PGRR) 052, Stability Assessment for Interconnecting Generation PGRR053, Addition of Proposed All-Inclusive Generation Resources to the Planning Models NPRR809 Revision Description This PGRR clarifies the content, review period and process for posting the results of a Full Interconnection Study (FIS). This PGRR also establishes a process for identifying, proposing, and implementing solutions to stability issues identified during the FIS. Reason for Revision Addresses current operational issues. Meets Strategic goals (tied to the or directed by the ERCOT Board). Market efficiencies or enhancements Administrative Regulatory requirements Other: (explain) (please select all that apply)
054PGRR-05_ROS_Report_020217.docx