Issues

NPRR061

Summary
Action
Voting Record
Background
Key Documents

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

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

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).