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NPRR061

Summary

Title Scarcity Pricing Mechanism
Next Group
Next Step
Status Approved on 05/17/2007
Effective Dates
12/01/2010

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

Action

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

Background

Status: Approved
Date Posted: May 2, 2007
Sponsor: TPTF
Urgent: No
Sections: 2.1, Definitions; 2.2, Acronyms and Abbreviations; 4.4.7.2.1, Ancillary Service Offer Criteria; 4.4.9.3.1, Energy Offer Curve Criteria; 4.4.9.5.1, DAM Energy-Only Offer Curve Criteria; 4.4.11, System-Wide Offer Caps (New); 4.4.11.1, Scarcity Pricing Mechanism (New); and 6.5.7.3, 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).

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