ERCOT Resource Integration Topics Overview
Explore key topics discussed in the ERCOT Resource Integration Working Group, including Quarterly Stability Assessments, GINR timelines, self-limiting facilities, and new PGRR guidelines.
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Resource Integration Topics Jay Teixeira ERCOT Resource Integration Working Group April 20, 2021
Quarterly Stability Assessment (QSA) Planning Guide 5.9 Next Deadline for QSA All-Inclusive Generation Resource Initial Synchronization Date Upcoming January, February, March Last Day for an IE to meet prerequisites as listed in paragraph (4) below Prior August 1 Completion of Quarterly Stability Assessment End of October Prior November 1 End of January Upcoming April, May, June Prior February 1 End of April Upcoming July, August, September Prior May 1 End of July Upcoming October, November, December If a GINR is not included in QSA, its Initial Synchronization date will be automatically delayed to the next quarter 2
Quarterly Stability Assessment (QSA) Planning Guide 5.9, Quarterly Stability Assessment Issue s seen in previous QSA s 10 day comment period for FIS Needs to be complete before QSA deadline TSPs need to plan for it Dynamic Model Review Dependent on FIS Stability study Need to meet PG 6.9 15 to 30 days prior to QSA deadline PSSE Model Quality Test Required TSAT Model Required If PSSE model is UDM, then TSAT model should be UDM by November 1, 2021. 3
Self-Limiting Facilities in the INR Process Unknown if Passport dates will slip due to Feb 2021 storm aftermath Will wait a couple of months to see if schedule slips Pause accepting SLF projects in RIOO until then For any projects already submitted SLF Facilities in the INR process must have PLD after January 1, 2023 some future date TBD. If system changes delayed, part of the SLF may be allowed to proceed to PLD prior to 2023 this future date if configuration and MW output was specifically studied in FIS. 5
New PGRR to create 60 day deadline to have FIS Applications Approved Revision Description: This Planning Guide Revision Request (PGRR) establishes a 60 day limit for an application to request a Full Interconnection Study (FIS) in the Generation Interconnection or Change Request (GINR) process to be completed by the Interconnecting Entity (IE) and approved by ERCOT. Business Case: This PGRR will establish a limit of 60 days from submittal for an IE to complete an application to request an FIS . This will allow an FIS request to be cancelled if not completed within 60 days. Data extracted from RIOO-IS from January 1, 2020 to March 11, 2020 shows that 78% of FIS requests are completed within 60 days. Section 5.3, Full Interconnection Study Request, lists several items that an IE is required to submit for ERCOT to approve an FIS request. 6
New PGRR to create 60 day deadline to have FIS Applications Approved The IE should be ready with all the required items prior to submitting an FIS request and should not be making an FIS request just to avoid being cancelled for not making the FIS request within 180 days of receiving the screening study results (see paragraph (5) of Section 5.4.1, Security Screening Study), Total Ultimately approved Total FIS Requests since Jan 1, 2020 Total FIS Requests taking less 60 days Total FIS Requests taking more 60 days Total FIS Requests taking more 100 days 314 248 66 29 259 224 44 14 82.48% 90.32% 66.67% 48.28% Sum of MW <= 60 days Sum of MW > 60 days Sum of MW > 100 days 50,713 13,506 4,753 7
Active PGRRs RRGRR028, submitted by John Karlik on behalf of the SPWG on December 23, 2020, Transformer Impedance Clarifications. Comments submitted by SPWG and ERCOT. ROS approval of comments needed to complete Impact Analysis. Tabled at ROS until next month. 8
Other contact information ResourceIntegrationDepartment@ercot.com is distribution list for Resource Integration department Mailing List RESOURCE_INTEGRATION@LISTS.ERCOT.COM 9
Questions? Thank you!
