NOTICE DATE:  May 20, 2011
NOTICE TYPE:  M-A041511-04 NPRR
SHORT DESCRIPTION:  Additional implementation details of NPRR285
INTENDED AUDIENCE:  QSEs and QSE Settlement Personnel
DAYS AFFECTED:  May 18 and June 1, 2011
LONG DESCRIPTION:  Nodal Protocol Revision Request (NPRR) 285, Generation Resource Base Point Deviation Charge Corrections, is being implemented on two different dates. Some of the impacted Protocol changes were effective as of May 18, 2011, and the remaining impacted Protocol changes will be made effective on June 1, 2011.
The following is a breakdown of the NPRR285 Protocol section implementation dates.
Effective May 18, 2011:

 *   6.5.7.9(7), Compliance with Dispatch Instructions
 *   6.5.5.2(3), Operational Data Requirements
 *   6.5.7.4, Base Points
Effective June 1, 2011:

 *   6.6.5.1, General Generation Resource Base Point Deviation
 *   6.6.5.1.1(2), Base Point Deviation Charge for Over Generation
 *   6.6.5.1.2(2), Base Point Deviation Charge for Under Generation
 *   6.6.5.2, IRR Generation Resource Base Point Deviation Charge
ADDITIONAL INFORMATION:  Pursuant to Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation.
NPRR285 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/nprr/276-300/285/index.
CONTACT:  If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>.
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