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NPRR028

Summary

Title CRR Trading in Blocks Only
Next Group
Next Step
Status Approved on 10/17/2006
Effective Dates
12/01/2010

or per the Nodal Protocol Transition Plan http://www.ercot.com/mktrules/protocols (11/01/06 Nodal Protocols Library)

Action

Date Gov Body Action Taken Next Steps
06/28/2007 TAC
06/12/2007 PRS Recommended for Approval Review of B1G1 Impact Analysis
10/17/2006 BOARD Approved Effective Upon Texas Nodal Market Implementation
10/06/2006 TAC Recommended for Approval Board consideration
09/21/2006 PRS Recommended for Approval TAC consideration

Voting Record

Date Gov Body Motion Result
06/28/2007 TAC No Action.
06/12/2007 PRS To recommend approval of B1G1 Impact Analysis Passed
10/17/2006 BOARD To approve as recommended by TAC. Passed
10/06/2006 TAC To recommend approval of NPRR028 as recommended by PRS. Passed
09/21/2006 PRS To recommend approval of NPRR028 as submitted. Passed

Background

Status: Approved
Date Posted: Sep 14, 2006
Sponsor: ERCOT Staff
Urgent: No
Sections: 7.2, 7.5.2.1, 7.5.3.1, 7.8
Description: Revise how CRRs may be traded in the bilateral market and in CRR Auctions. This revision would limit CRR trading to time-of-use blocks for a particular date and CRR Offers in CRR Auctions to time-of-use blocks. With this revision, CRR Account Holders would not be able to trade a particular hour or a block of hours that is not one of the defined time-of-use blocks in Section 7.3 (6).
Reason: The vendor (Nexant) CRR system does not support the flexibility of bilaterally trading CRRs for each hour and offering CRRs for particular hour or hours (except time-of-use blocks in Section 7.3 (6)) in CRR Auctions. Vendor estimates a cost of $395,000 for adding this flexibility to their system due to required fundamental changes in the following: data interfaces; Market User Interface functionality (new Java based editor, bilateral trading system, portfolio editor, downloads): Market Operator Interface functionality (command manager); Database Subsystem; testing; and documentation. In addition to the development costs, the CRR team believes there might be other long-term costs associated with the maintenance of the CRR System due to increased complexity, possible need for increased H/W costs for performance and storage, increased auditing overhead, archiving requirements, etc. These long-term costs are not very easy to assess and have not yet been quantified.

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