NOTICE DATE:  April 5, 2011

NOTICE TYPE:  M-B031711-02 Operations

SHORT DESCRIPTION:  North to Houston Interface change

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  April 5, 2011

LONG DESCRIPTION:  As of April 5, 2011, with the completion of the new Zenith substation, the monitoring points for the North to Houston Interface are changing as follows:

Existing


New


Singleton - Tomball 345kV (74)


Singleton - Tomball 345kV (74)


Singleton - TH Wharton 345kV (98)


Singleton - Zenith 345kV (98)


O'Brien - Singleton 345kV (99)


Singleton - Zenith 345kV (99)


Roans Prairie - Kuykendahl 345kV (75)


Roans Prairie - Kuykendahl 345kV (75)




This should complete the North to Houston Interface changes for the new Zenith station project (10TPIT0047).

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]>.
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dh




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