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NPRR1236
Summary
| Title | RTC+B Modifications to RUC Capacity Short Calculations |
|---|---|
| Next Group | |
| Next Step | |
| Status | Approved on 11/21/2024 |
Action
| Date | Gov Body | Action Taken | Next Steps |
|---|---|---|---|
| 11/21/2024 | PUCT | Approved | |
| 10/10/2024 | BOARD | Recommended for Approval | PUCT for consideration |
| 08/28/2024 | TAC | Recommended for Approval | Board for consideration |
| 08/08/2024 | PRS | Recommended for Approval | TAC for consideration |
| 07/18/2024 | PRS | Recommended for Approval | PRS for Impact Analysis consideration |
Voting Record
| Date | Gov Body | Motion | Result |
|---|---|---|---|
| 11/21/2024 | PUCT | To approve NPRR1236 and accompanying ERCOT Market Impact Statement as presented in Project No. 54445, Review of Protocols Adopted by the Independent Organization | Passed |
| 10/10/2024 | BOARD | To recommend approval of NPRR1236 as recommended by TAC in the 8/28/24 TAC Report | Passed |
| 08/28/2024 | TAC | To recommend approval of NPRR1236 as recommended by PRS in the 8/8/24 PRS Report | Passed |
| 08/08/2024 | PRS | To endorse and forward to TAC the 7/18/24 PRS Report and 6/4/24 Impact Analysis for NPRR1236 | Passed |
| 07/18/2024 | PRS | To recommend approval of NPRR1236 as revised by PRS | Passed |
Background
| Status: | Approved |
|---|---|
| Date Posted: | Jun 4, 2024 |
| Sponsor: | ERCOT |
| Urgent: | No |
| Sections: | 5.7.4.1.1 |
| Description: | This Nodal Protocol Revision Request (NPRR) reflects the modifications addressed in the Real-Time Co-optimization Plus Batteries (RTC+B) Task Force whitepaper to the Reliability Unit Commitment (RUC) Capacity Short calculations. These modifications were discussed in RTC+B Task Force meetings on February 21, March 19, and April 10, 2024 as part of RTC+B Task Force Issue No. 17 and were endorsed by TAC on April 15, 2024. This NPRR addresses limitations in the current RUC Capacity Short calculations by considering Ancillary Service sub-types and changes to the calculation process involving Regulation Down Service (Reg-Down). This NPRR also addresses changes required to align Protocol language with the recently-approved NPRR1204, Considerations of State of Charge with Real-Time Co-Optimization Implementation, as it relates to the RUC process. This NPRR implements an approach that continues the current policy (i.e., allocating costs in a manner consistent with cost causation) to first proportionally assign RUC Make Whole costs to Qualified Scheduling Entities (QSEs) that are determined to be short of capacity or Ancillary Service capability when the RUC decision was made and, if necessary, assign the remaining RUC Make Whole costs to QSEs based on Load Ratio Share (LRS). This NPRR continues to follow the TAC-approved RTCTF Key Principle No. 3 (12). |
| Reason: | General system and/or process improvement(s) |
Key Documents
Jun 6, 2024 - docx - 130.9 KB
Jun 4, 2024 - docx - 30.4 KB
Jul 18, 2024 - xls - 108 KB
Jul 18, 2024 - docx - 131.7 KB
Aug 12, 2024 - xls - 140.5 KB
Aug 12, 2024 - docx - 133.6 KB
Aug 30, 2024 - xls - 144 KB
Aug 30, 2024 - docx - 141.3 KB
Oct 13, 2024 - docx - 142.5 KB
Nov 25, 2024 - docx - 140.8 KB