NOTICE DATE:  July 12, 2010

NOTICE TYPE:  M-A071210-01 EXTRACTS - Informational

SHORT DESCRIPTION:  Zonal Extracts and Reports Download File Name Changes

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  August 8, 2010

LONG DESCRIPTION:  ERCOT has an upcoming change to the extract and reports download file name format, from Texas Market Link (TML) and the Retail API, scheduled for Sunday, August 8, 2010. There is no change to the display file naming convention.

The new download file name format using IE7:

Explanation of file name parts:

·         Prefix – Values include ext, rpt, cdr or msc.

·         Report type ID - The report ids for all reports are listed in the ERCOT Market Information List (EMIL) posted on the Nodal ERCOT website (http://nodal.ercot.com/readiness/reports/index.html). It will also be available on MIS Services page at Nodal Go-live.

·         DUNSNUMBER - This is the DUNSNUMBER. For a 9 digit DUNS, there will be 7 zeros padded to the left of the DUNS. For a 13 digit DUNS, there will be 3 zeros padded to the left of the DUNS. Total length will be 16 digits + the period. For all Public and Secure reports this field will contain 16 zeros.

·         Posting Date – This is the posting date of the file.

·         Posting Time – This is the posting time of the file.

·         Filename – This is the common name of the file. This is a free text area that will be less than 648 digits + the period that uses alphanumeric, as well as underscores and dashes.

·         Extension – This is the file extension. Common ones used are csv, doc, pdf, xls, zip. Will be 3 digits.

The new download file name format using IE6:

·         Prefix – Values include ext, rpt, cdr or msc. The [#] is most commonly [1].

·         Report type ID - The report ids for all reports are listed in the ERCOT Market Information List (EMIL) posted on the Nodal ERCOT website (http://nodal.ercot.com/readiness/reports/index.html). It will also be available on MIS Services page at Nodal Go-live.

·         DUNSNUMBER - This is the DUNSNUMBER. For a 9 digit DUNS, there will be 7 zeros padded to the left of the DUNS. For a 13 digit DUNS, there will be 3 zeros padded to the left of the DUNS. Total length will be 16 digits + the period. For all Public and Secure reports this field will contain 16 zeros.

·         Posting Date – This is the posting date of the file.

·         Posting Time – This is the posting time of the file.

·         Filename – This is the common name of the file. This is a free text area that will be less than 648 digits + the period that uses alphanumeric, as well as underscores and dashes.

·         Extension – This is the file extension. Common ones used are csv, doc, pdf, xls, zip. Will be 3 digits.

 

Additional Information: The Retail API All/All call that currently returns all extracts and reports for all of time available for market participants to download will change to only return 3 days of extracts and reports. This change is in support of performance enhancements being performed to better support zonal and nodal market data downloads.

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 e-mail or 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].

If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.

DP