NOTICE DATE: April 10, 2012

NOTICE TYPE: W-B041012-01 Extracts - Wholesale

SHORT DESCRIPTION: Outage of Wind Generation Forecasts – Missed Postings

INTENDED AUDIENCE: ERCOT Market Participants

DAY AFFECTED: April 10, 2012

LONG DESCRIPTION: A vendor outage occurred after midnight last night, preventing the vendor from sending wind forecast data to ERCOT. The vendor has identified and corrected the issue. The issue began at 12:13 AM and was resolved shortly after 2:39 AM. The following hourly reports were not posted to MIS and ERCOT.com during the outage. Regular postings resumed at 03:14 AM.

Report Name	EMIL ID	Report ID	Intervals missed	Total
Aggregated Wind Generation Resource Power Potential Forecast	NP4-730-CD	12318	10/04/2012 00:00 - 10/04/2012 02:00	2
Wind Generation Resource Power Potential Forecast	NP4-731-CD	12320	10/04/2012 00:00 - 10/04/2012 02:00	2

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