NOTICE DATE:  February 3, 2017

NOTICE TYPE:  R-A020317-01 Retail

SHORT DESCRIPTION:  Implementation of RMGRR134

INTENDED AUDIENCE:  Existing Transmission Distribution Service Providers (TDSPs) utilizing data submissions via LSE file and potential users of new submittal process for TDSP-Read Non-Modeled Generators

DAY AFFECTED:  March 7 - 9, 2017

LONG DESCRIPTION:  ERCOT will implement changes associated with Retail Market Guide Revision Request (RMGRR) 134, Allow AMS Data Submittal Process for TDSP-Read Non-Modeled Generators, during the release period of March 7 – 9, 2017.

In association with allowing the submission of LSE files for ResourceID data using the Advanced Metering System (AMS), the following related documentation and forms must be updated. 

Updated documentation will be posted in the Retail Section of the User Guides on the ERCOT website:

·         Interval_Data_LSE_Error_Codes_v1.4_DRAFT – contains new error codes required for implementation

·         Interval_Data_LSE_Activity_Report_v1.2_DRAFT – contains new columns added to accommodate ResourceID information

·         867_03_Error_Codes_Document_v1.2_DRAFT – contains a new error code required for implementation

The updated TDSP Read Generation form will be posted in Key Documents on the Transmission/Distribution Service Providers page of the Registration and Qualification section of the ERCOT website. The form contains new fields required for requesting ResourceID meter data submittal via LSE file.  An updated form must be submitted to ERCOT if a Market Participant wishes to begin submitting Resource ID data via LSE file. 

ACTION REQUIRED:  The following DDLs located on the ERCOT website at http://www.ercot.com/services/mdt/ddls required updates due to implementation of RMGRR134. These are currently posted as draft versions and will replace the current documents upon system implementation:

·         PRDE Extract_20161221_DRAFT_RMGRR134.txt

·         PRDE_Extract_XSD_20161222_DRAFT_RMGRR134.xml

ADDITIONAL INFORMATION: 

·         Interval_Data_LSE_Error_Codes_v1.4_DRAFT - Please note that the Interval_Data_LSE_Error_Codes_v1.3 document has been updated since its presentation at RMS on January 10, 2017.  Previously, there were 16 error messages planned for release.  However, one error (15) was found to be unnecessary and was removed.  All these documents will be posted and marked as DRAFT until the go-live date mentioned above. 

·         All extracts and reports mentioned above remain on the same generation and posting schedules.

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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