NOTICE DATE:  May 20, 2011


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:

Effective June 1, 2011:

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

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].

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