NOTICE DATE:  June 12, 2012

NOTICE TYPE:  M-A061212-01 INFORMATIONAL - TDSP ESIID Extract

SHORT DESCRIPTION:  TDSP ESIID Extract posted within protocol.

INTENDED AUDIENCE:  All Market Participants

DAYS AFFECTED:  June 12, 2012

LONG DESCRIPTION:  The TDSP ESIID Extract has been validated and posted to the Market Information System (MIS) and ERCOT website within protocol.

Protocol:

15.2.3        Electric Service Identifier Extract on the Market Information System

ERCOT posts a downloadable extract to the MIS Public Area which contains the same information as listed in Section 15.2, Database Queries.

The frequency and timing of the extract is defined in the TDSP ESIID Extract User Guide located at http://www.ercot.com/services/mdt/userguides/index in Section 2.1.1.

Files created for this extract are due to post on Tuesdays by 23:59:59.

ADDITIONAL INFORMATION: The June Full TDSP ESIID Extract has already posted and does not reflect the additional column (AMSR/AMSM). Due to TX SET 4.0 being implemented on the contingency dates, the weekly NEW files contain the additional column for the month of June. The July Full TDSP ESIID Extract will be the first FULL file to contain the new column.

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].

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.

JR