Title: Scarcity Pricing Mechanism
Next Group:
Next Step:
Status: Approved on 05/17/2007
Effective Dates:

or per the Nodal Protocol Transition Plan http://www.ercot.com/mktrules/protocols (08/01/07 Nodal Protocols Library)


Date Gov Body Action Taken Next Steps
07/17/2007 BOARD Approved
06/28/2007 TAC Recommended for Approval Board consideration of NPRR and IA.
06/21/2007 PRS Recommended for Approval TAC consideration
05/17/2007 PRS Approved PRS consideration of Impact Analysis

Voting Record

Date Gov Body Motion Result
07/17/2007 BOARD Approve as synchronized with NPRR051, Removal of Pseudo Resource in the Real Time Security Constrained Dispatch (SCED). Passed
06/28/2007 TAC To recommend approval of NPRR061 and endorse the Baseline 2 IA as recommended by PRS. Passed
06/21/2007 PRS To endorse the IA and Recommendation Report and to forward the documents to TAC. Passed
05/17/2007 PRS To approve NPRR initial language as submitted 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: Approved
Date Posted: May 2, 2007
Sponsor: TPTF
Urgent: No
Sections: 2.1, Definitions; 2.2, Acronyms and Abbreviations;, Ancillary Service Offer Criteria;, Energy Offer Curve Criteria;, DAM Energy-Only Offer Curve Criteria; 4.4.11, System-Wide Offer Caps (New);, Scarcity Pricing Mechanism (New); and, Security Constrained Economic Dispatch
Description: NPRR061 revises the ERCOT Nodal Protocols to provide for a scarcity pricing mechanism as required by subsection (g) of P.U.C. SUBST. R. 25.505, Resource Adequacy in the Electric Reliability Council of Texas Power Region.
Reason: This NPRR synchronizes the Protocols with P.U.C. SUBST. R. 25.505(g).

Key Documents

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