Title: Posting of the ERCOT Short-Term Load Forecast and the Aggregated HDL and LDL Used in SCED
Next Group:
Next Step:
Status: Withdrawn on 12/14/2011


Date Gov Body Action Taken Next Steps
12/14/2011 Withdrawn
08/18/2011 PRS Deferred/Tabled PRS consideration of NPRR378
08/04/2011 TAC Remanded PRS consideration of NPRR378
07/07/2011 Under Appeal TAC consideration of ERCOT Steel Mills appeal
06/23/2011 PRS Rejected

Voting Record

Date Gov Body Motion Result
08/18/2011 PRS To table NPRR378. Passed
08/04/2011 TAC To grant the ERCOT Steel Mills appeal and remand NPRR378 to PRS; to direct PRS to work with ERCOT to resolve any questions needed to complete the Impact Analysis; to request that ERCOT perform an Impact Analysis; and to direct PRS to recommend action on NPRR378 to TAC after the completion of the Impact Analysis. Passed
06/23/2011 PRS To reject NPRR378 Passed

Vote tallies here reflect individual votes, not the weight of the votes by market segment. Affirmative votes are not recorded in these vote tallies. For additional details on the voting record, please consult the Recommendation or Action Report, or the official vote tally if available, as posted in the key documents.


Status: Withdrawn
Date Posted: Jun 8, 2011
Sponsor: Floyd Trefny
Urgent: No
Description: This Nodal Protocol Revision Request (NPRR) adds a requirement for ERCOT to post on the Market Information System (MIS): (a) the ERCOT Short-Term Load Forecast (STLF) for the current Security-Constrained Economic Dispatch (SCED); (b) the STLF for the next or prompt five-minute SCED interval; and (c) the STLF effective within 15 minutes. This NPRR also clarifies SCED up/down reserves and adds capacity for the aggregate sum of the High Dispatch Limits (HDLs) and Low Dispatch Limits (LDLs) for the On-Line Generation Resources in each five-minute SCED interval.
Reason: This NPRR will provide Market Participants the same data sets (subject to confidentiality provisions) that ERCOT uses within its Real-Time Market (RTM) systems for their use in making commercial and operational decisions and would support any long-term project ERCOT is currently evaluating an RTM upgrade project styled as Real-Time Market for Co-Optimizing Energy & Ancillary Services Combined with Demand Response. In the short term, to facilitate Market Participants’ decision making processes, this NPRR expands the Real-Time posting requirements on the MIS.

Key Documents

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