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PRR675

Summary

Title Multiple Ramp Rates
Next Group
Next Step
Status Approved on 11/14/2006

Action

Date Gov Body Action Taken Next Steps
11/14/2006 BOARD Approved
10/06/2006 TAC Recommended for Approval Board consideration
08/17/2006 PRS Recommended for Approval

Voting Record

Date Gov Body Motion Result
11/14/2006 BOARD Approve as recommended by TAC Passed
10/06/2006 TAC Recommend approval of PRR675 as recommended by PRS. Passed
08/17/2006 PRS Recommend approval of this PRR as amended at PRS, with implementation based on the first alternative, as contained in ERCOT's presentation, that would not require SPUD changes. Passed

Background

Status: Approved
Date Posted: Jul 21, 2006
Sponsor: Coral Power, LLC
Urgent: No
Sections: 4.5.2 Receipt of QSE's Balancing Energy Bid Curves; 6.5.2 Balancing Energy Service
Description: Revises Sections 4.5.2 and 6.5.2 to allow QSEs to submit a ramp rate curve to ERCOT that would be used to calculate an equivalent ramp rate for clearing the balancing energy market.
Reason: Many QSEs in the ERCOT market represent Resources that have multiple ramp rates. The protocols unnecessarily limit QSEs to providing one ramp rate for up balancing and one for down balancing. This limitation may cause QSEs to dampen the overall ramp rate for balancing, which prevents ERCOT from fully deploying the balancing energy that is available from a QSE™s Resource or fleet. Being able to more accurately submit balancing bids based on actual generation ramp rates would give ERCOT a more realistic picture of a QS€™s available energy. Being limited to one ramp rate also hinders a Q’s ability to pass the SCE metric, because a QSE at times n’t accurately portray a Resoce’s generation level

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