NOTICE DATE:  March 17, 2011

NOTICE TYPE:  M-B031711-01 Operations

SHORT DESCRIPTION:  North to Houston Interface change

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  March 19, 2011

LONG DESCRIPTION:  With the addition of the new Zenith substation, the monitoring points for the North to Houston Interface will be changing as follows:

Existing


New


Singleton - Tomball 345kV


Singleton - Zenith 345kV (double circuit)


Singleton - TH Wharton 345kV





O'Brien - Singleton 345kV


O'Brien - Singleton 345kV


Roans Prairie - Kuykendahl 345kV


Roans Prairie - Kuykendahl 345kV


The monitoring point will be changing as phases of the Zenith project are completed and lines are energized, expected to begin March 19, 2011.

ADDITIONAL INFORMATION:  For current line outage information, refer to the Outage Scheduler or to the Grid/Transmission page on the ERCOT Market Information System (MIS) at https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Transmission.

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]<mailto:[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.




dh



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