NOTICE DATE: December 9, 2011

NOTICE TYPE: W-A120911-01 Extracts – Wholesale

SHORT DESCRIPTION: Missed report postings on MIS – out of compliance notification

INTENDED AUDIENCE: ERCOT Market Participants

DAYS AFFECTED: December 2, 4 and 7, 2011

LONG DESCRIPTION: The following reports failed to post for the intervals listed below due to the reasons stated in the table. These reports/intervals do not have retry functionality; therefore, they will not be rerun/reposted to the Market Information System (MIS).

Report Name	EMIL ID	Report ID	Intervals Missed (DD/MM/YYYY)	# Intervals Missed	Reason
Aggregated Wind Generation Resource Power Potential Forecast	NP4-730-SG	12318	04/12/2011 12:00 - 04/12/2011 13:00	1	System Maintenance
Aggregated Wind Generation Resource Power Potential Forecast	NP4-730-SG	12318	07/12/2011 10:00 - 07/12/2011 12:00	3	Planned Software Release
Hourly State Estimator Transmission Line Flows	NP6-619-CD	12308	02/12/2011 18:00 - 02/12/2011 18:05	1	Emergency Database Load
State Estimator Switch Status	NP6-93-CD	12304	02/12/2011 18:00 - 02/12/2011 19:00	1	Emergency Database Load
Topology Consistency	NP6-291-CD	12309	02/12/2011 18:00 - 02/12/2011 18:05	1	Emergency Database Load

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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