NOTICE DATE:  June 15, 2012

NOTICE TYPE:  M-C100711-03 SCR

SHORT DESCRIPTION:  Implementation details of SCR760 - Phase 3

INTENDED AUDIENCE:  Transmission Services Providers

DAY AFFECTED:  June 27, 2012

LONG DESCRIPTION:  System Change Request (SCR) 760, Recommended Changes Needed for Information Model Manager and Topology Processor for Planning Models, was approved by the ERCOT Board on March 22, 2011. SCR760 provides for the implementation and support of nine system changes that update the Network Model Management System (NMMS) Database, and/or the tools used to create the Annual Planning Model, to support additional features required by the Transmission Service Provider Planning teams in an effort to more efficiently and accurately build the Annual Planning Models.

ERCOT is implementing the SCR760 functionality in multiple phases, with phase 3 of the implementation to be effective on June 27, 2012. Phase 3 will include SCR760 enhancement 5, as described below:

Enhancement 5:  Additional Transformer Data for Planning

Further notices will be sent with details on additional phases of the implementation.

ADDITIONAL INFORMATION:  SCR760 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/scr/750-774/760/index.

Information on upcoming releases can be found on the ERCOT Multi Year Project Priority List (PPL) at http://www.ercot.com/services/projects/.

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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