ERCOT Resource Integration Updates - Planning and Submission Guidelines
Stay updated with important ERCOT resource integration topics including Quarterly Stability Assessment (QSA) guidelines, commissioning checklist submissions, dynamic model reviews, and more for efficient planning and compliance. Ensure timely submission and adherence to requirements outlined by ERCOT to streamline the integration process effectively.
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Resource Integration Topics Jenifer Fernandes ERCOT Resource Integration Working Group June 12, 2024
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/PSCAD 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 PSCAD Model Quality Test, Unit Model Validation and Template is required. PSCAD template is required starting August 1stQSA. TSAT Model Required If PSSE model is UDM, then TSAT model should be UDM and should include MQT 3
Commissioning Requests Submission- New Email Address ERCOT has established a new, dedicated email address for Market Participants to submit new generator Commissioning Checklist for review. Starting June 10, 2024, all new Commissioning Checklists (Parts 1-3) should be emailed to CommissioningRequests@ercot.com in addition to being submitted to RIOO-IS. Commissioning Checklists (Parts 1-3) submitted to ResourceIntegrationDepartment@ercot.com after June 21, 2024, will not be processed. Commissioning Plans should not be emailed for review to the new Commissioning Request email address. 4
PGRR109 Dynamic Model Review for Inverter-Based Resources PGRR109 was implemented on May 1st,2024. The PGRR requires IBRs to submit the appropriate dynamic models for the as-built data and the data submitted for the quarterly stability assessment for ERCOT review prior to the Resource Commissioning Date. Refer to Planning Guide 5.5 (3) for data and submittal requirements prior to Part 3 Commissioning. ERCOT New Generator Commissioning Checklist (Part 3) has been updated to include the following RE attestation: 5
Self Limiting Facility - VSS NPRR1026 and PGRR081 were approved on 12/08/2020 and implemented on 03/01/2024. NPRR1026: Nodal Protocol 3.15: NP 3.15 (f):For any Generation Resource or Energy Storage Resource (ESR) that is part of a Self-Limiting Facility, the capabilities described in paragraphs (a) and (b) above shall be determined based on the Self-Limiting Facility s established MW Injection limit and, if applicable, established MW Withdrawal limit. NP 3.15.3 (9):If any individual Resource within a Self-Limiting Facility is incapable of meeting its Reactive Power requirement at the POI, the QSE must bring On-Line additional Resource(s) within the Self-Limiting Facility to provide VSS as specified in paragraph (4) of Section 3.15, Voltage Support, while respecting the limit on MW Injection. 6
Self Limiting Facility - VSS Example: Solar (100MW) + Battery (50 MW), SLF Limit is 100MW. VSS requirement is based on the SLF s established MW injection limit of 100MW which is 32.9MVAr. 1. Solar Only Discharging = VSS requirement is 32.9MVAr 2. Battery Only Discharging = VSS requirement is 32.9MVAr 3. Battery Only Charging = VSS requirement is 32.9MVAr 4. Solar + Battery Discharging = VSS requirement is 32.9MVAr 7
Active RRs NPRR1212/PGRR114 PGRR114 requires that before ERCOT approves Initial Energization for a project that will consume Load other than Wholesale Storage Load (WSL) and that is not behind a Non-Opt-In Entity (NOIE) tie meter, the Distribution Service Provider (DSP) must provide ERCOT with Electric Service Identifier(s) (ESI ID(s)). Ensuring that ESI ID(s) are provided before Initial Energization will avoid the creation of (Unaccounted for Energy) UFE for Initial Settlement. PGRR112 Dynamic Data Model and Full Interconnection Study (FIS) Deadline for Quarterly Stability Assessment Approved at TAC for December 1st, 2024, implementation which affects February 1st, 2025, QSA. 8
Generation Interconnection Requests 1,813 active generation interconnection requests totaling 355 GW as of May 31st, 2024 (Solar 154 GW, Wind 34 GW, Gas 16 GW, and Battery 149 GW) (Excludes capacity associated with projects designated as Inactive per Planning Guide Section 5.7.6) 9
Generation Interconnection Requests Small Gen- 39 projects Not Model Ready, 41 projects Model Ready Small Generator Monthly Capacity by GIM Milestone plus Project Count, 13-Month Rolling Basis 80 800 70 700 60 600 50 500 Project Count MW Capacity 40 400 30 300 20 200 10 100 0 0 May-23 Jun-23 Jul-23 Aug-23 Sep-23 Oct-23 Nov-23 Dec-23 Jan-24 Feb-24 Mar-24 Apr-24 May-24 # Not Model Ready # Model Ready MW Capacity 10
Other contact information ResourceIntegrationDepartment@ercot.com is distribution list for Resource Integration department Mailing List RESOURCE_INTEGRATION@LISTS.ERCOT.COM 11
Questions? Thank you!
Current Process for Large Generation Project Wanting Simultaneous Screening Study and Full Interconnection Study (No Construction Bottleneck) 20 Months Assumptions IE submits correct data IE meets all milestones IE does not change equipment TSP has no backlog 6/21/2020 Part 1 Approval 2/1/2020 QSA Deadline 5/1/2020 QSA Complete 7/1/2020 Part 2 Approval Earliest Sync Based on QSA 7/1/2019 Reactive Study 4/1/2019 SS Complete 1/1/2019 6/1/2020 PLD* INR Request Initiated 9/1/2020 Part 3 Approval 1/1/2019 9/1/2020 TSP Complete FIS (10 months) Range 9 to 13 months Kick-Off -2 weeks Sign Study Scope months Received Payment 1 month SS Study months SC month Dynamic months Facility months ERCOT Approved 11/1/2019 - 2/1/2020 2/1/2020 - 6/1/2020 SGIA, NTP & Financial Commitment Days RARF Submission 7/1/2020 - 9/1/2020 2/1/2020 - 7/1/2020 Testing ~5 months SSR Study Completed and Approved *Interim updates are not allowed for new units. Interim update requests must be approved by ERCOT Network Modeling. Construction time for TSP to construct needed facilities not shown. Start of construction dependent on RE giving TSP Notice to Proceed and providing the Funding to construct the interconnection facilities. Length of time needed for construction depends on facilities being constructed. The PLD shown above is normally after completion of construction. 13
New Process for Small Generators TDSP Work Prior to RIOO Submittal (8 to 10 Months Timeline for Projects After the DGR Moratorium) 5/19/2022 Part 1 Approval 1/14/2022 Review required Submissions 1/31/2022 Registration RARF Approval 10/3/2021 Optional Small Gen Review Meeting 1/18/2022 Review RARF 5/31/2022 Part 2 Approval 1/4/2022 5/4/2022 PLD* 7/31/2022 Part 3 Approval Submit INR in RIOO 10/1/2021 8/1/2022 5/4/2022 - 7/31/2022 2/1/2022 - 5/1/2022 10/1/2021 - 1/1/2022 Commissioning Checklists & Testing Days RARF Submission (Prior to PLD) IE/RE Work with TDSP (IA, System Impact Studies, Interconnection Requirements, Operational Limitations, ETC) *Interim updates are not allowed for new units. Interim update requests must be approved by ERCOT Network Modeling. Construction time for TSP/DSP to construct needed facilities not shown. Start of construction dependent on RE giving TSP Notice to Proceed and providing the Funding to construct the interconnection facilities. Length of time needed for construction depends on facilities being constructed. The PLD shown above is normally after completion of construction. RE should have all TSP/DSP studies and IA complete before requesting the scoping meeting. 14
New Process for Small Generators RIOO Submittal Prior to TDSP Work (8 to 10 Months Timeline for Projects after DGR Moratorium) 8/27/2022 Part 1 Approval 4/30/2022 Registration RARF Approval 4/1/2022 1/9/2022 Optional Small Gen Review Meeting Submit required Submissions 4/14/2022 Review required Submissions 9/5/2022 Part 2 Approval 1/4/2022 8/3/2022 PLD* 4/18/2022 Review RARF Submit INR in RIOO 10/31/2022 Part 3 Approval 1/4/2022 11/1/2022 1/4/2022 - 4/1/2022 8/3/2022 - 11/1/2022 5/1/2022 - 8/1/2022 IE/RE Work with TDSP Commissioning Checklists & Testing Days RARF Submission (Prior to PLD) IE/RE Work with TDSP (IA, System Impact Studies, Interconnection Requirements, Operational Limitations, ETC) *Interim updates are not allowed for new units. Interim update requests must be approved by ERCOT Network Modeling. Construction time for TSP/DSP to construct needed facilities not shown. Start of construction dependent on RE giving TSP Notice to Proceed and providing the Funding to construct the interconnection facilities. Length of time needed for construction depends on facilities being constructed. The PLD shown above is normally after completion of construction. RE should have all TSP/DSP studies and IA complete before requesting the scoping meeting. 15
