Title: Separate LaaR and Generator MCPCs for RRS
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Next Step:
Status: Rejected on 01/04/2007


Date Gov Body Action Taken Next Steps
01/04/2007 TAC Rejected
12/14/2006 PRS TAC consideration
11/16/2006 PRS PRS consideration.
08/17/2006 PRS Referred TPTF review

Voting Record

Date Gov Body Motion Result
01/04/2007 TAC To recommend approval of NPRR018 as recommended by PRS. Failed
12/14/2006 PRS Recommend approval of NPRR018 as revised by the latest consolidated comments with an effective implementation date to be determined by the nodal team based on value engineering. The motion passed with one opposing vote from the Independent Retail Electric Provider (IREP) Market Segment and three abstentions from the Independent Power Marketer (IPM)(1) and Consumer (2) Market Segments. All Market Segments were present for the vote. Passed
11/16/2006 PRS To defer consideration of NPRR018 to allow ERCOT additional time to develop the IA and bring to PRS a detailed explanation of the 6-8 week projected delay and $500K-$1M cost estimate. Passed
08/17/2006 PRS To refer to TPTF to review completeness. 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: Rejected
Date Posted: Aug 11, 2006
Urgent: No
Sections: 4.5.1, 4.5.3,
Description: Modify the nodal protocols to provide separate RRS MCPCs for LaaRs and generators when the service is oversubscribed by LaaRs, as per the WMS vote taken on May 17, 2006.
Reason: Over the past several months the DSWG and WMS have been working on the problems associated with large negative offers being submitted by LaaRs for RRS service. Many LaaRs were submitting large negative RRS offers to ensure they would be selected to provide the service and receive the MCPC. The MCPC is typically a positive number set by offers from generators. However, if a negative offer ever actually sets the MCPC, then suppliers of RRS would be obligated to pay potentially large amounts of money to the market, causing credit concerns. A short-term solution has already been implemented in the current market. LaaRs are precluded from bidding below $0 per MW and this provision has a sunset date of January 1, 2007. In addition, the DSWG developed three alternatives for WMS to consider: Eliminate the sunset date currently in Protocols Eliminate the sunset date in the Zonal Protocols and implement Alternative C (described below) in the Nodal Market Design Implement Alternative C in the Zonal Protocols and in the Nodal Market Design WMS voted to approve option 2. PRR671 is currently pending and if passed will eliminate the sunset date in the current zonal market. Alternative C provides a separate MCPC for LaaRs and generators if the quantity of LaaRs offered exceeds the quantity of LaaRs cleared. LaaRs would be paid the LaaR MCPC and generators would receive the generator MCPC. Load-Serving Entities would pay an average of the two MCPCs for RRS procured by ERCOT on their behalf. This NPRR is being submitted now to allow ERCOT to include it in the nodal market business requirement documents being submitted to vendors.

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