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PRR837
Summary
| Title | Load Used in RMR Studies |
|---|---|
| Next Group | |
| Next Step | |
| Status | Approved on 03/23/2010 |
| Effective Dates |
04/01/2010
|
Action
| Date | Gov Body | Action Taken | Next steps |
|---|---|---|---|
| 03/23/2010 | BOARD | Approved | |
| 02/04/2010 | TAC | Recommended for Approval | ERCOT Board consideration of PRR837 |
| 01/21/2010 | PRS | Recommended for Approval | TAC consideration of PRR837 |
| 12/17/2009 | PRS | Recommended for Approval | PRS Impact Analysis review |
| 11/19/2009 | PRS | Deferred/Tabled | PRS language consideration |
Voting Record
| Date | Gov Body | Motion | Result |
|---|---|---|---|
| 03/23/2010 | BOARD | To approve PRR837 as recommended by TAC in the 2/4/10 TAC Report and as amended by the 3/10/10 ERCOT comments. | Passed |
| 02/04/2010 | TAC | To recommend approval of PRR837 as recommended by PRS in the 1/21/10 PRS Report and as revised by TAC. | Passed |
| 01/21/2010 | PRS | To endorse and forward the 12/17/09 PRS Recommendation Report and Impact Analysis for PRR837 to TAC. | Passed |
| 12/17/2009 | PRS | To recommend approval of PRR837 as amended by the 11/12/09 PSEG TX comments. | Passed |
| 11/19/2009 | PRS | To table PRR837. | Passed |
Background
| Status: | Approved |
|---|---|
| Date Posted: | Oct 16, 2009 |
| Sponsor: | PSEG TX |
| Urgent: | No |
| Sections: | 6.5.9.1 |
| Description: | This Protocol Revision Request (PRR) would provide guidance to ERCOT to use the peak Load forecast posted pursuant to P.U.C. Subst. R. 25.505, Resource Adequacy in the Electric Reliability Council of Texas Power Region, for the next 12 months for the Reliability Must-Run (RMR) study, except with respect to the Load in the RMR local area. This aligns the Load forecast period with the RMR contract period and ensures that the Load forecast used for the analysis is one with a reasonable probability of occurrence.This PRR also proposes non-substantive administrative changes, such as correcting acronym and defined term usage and section references. |
| Reason: | The current process around how RMR studies are conducted is not defined in the Protocols. Providing guidance for the Load forecast used in the process ensures that a Load level that ERCOT actually anticipates will be used for the RMR study. Presently, ERCOT typically uses the aggregate non-coincident peak Loads provided by the transmission owners that are used to develop the five-year Steady State Working Group (SSWG) planning cases. Because these Loads are both peak and non-coincident, they tend to overestimate actual Load during any single period. Employing a process that uses a Load forecast that ERCOT actually anticipates to occur in the next 12 months will ensure that RMR is procured only when needed to serve load that will likely occur. The present process of using a Load forecast that significantly overestimates Load could result in procuring RMR when it is not needed. Procuring RMR when it is not needed increases costs to Load and undermines opportunities for competitive generation in ERCOT’s energy-only market. |
Key Documents
Oct 16, 2009 - doc - 93 KB
Nov 10, 2009 - doc - 68.5 KB
Nov 11, 2009 - doc - 44.5 KB
Nov 12, 2009 - doc - 53.5 KB
Nov 23, 2009 - doc - 109 KB
Dec 18, 2009 - doc - 109.5 KB
Jan 18, 2010 - doc - 49 KB
Jan 22, 2010 - doc - 96.5 KB
Feb 5, 2010 - doc - 109.5 KB
Mar 10, 2010 - doc - 49 KB
Mar 23, 2010 - doc - 112 KB