NOTICE DATE:  January 5, 2012

NOTICE TYPE:  M-B010512-01 Operations

SHORT DESCRIPTION:  Revision to the Barney Davis SPS

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  January 26, 2012
LONG DESCRIPTION:  ERCOT has received a request to revise the Special Protection System (SPS) at the Barney Davis generation facilities ("Barney Davis SPS") from American Electric Power (AEP). The Barney Davis SPS monitors flows on all lines leaving the Barney Davis facilities and protects against overloads on Airline - Davis circuit 1 (Via Pharaoh), Airline - Davis circuit 2, Airline - Davis circuit 3 (Via Wooldridge), Davis - Holly (via Rodd Field) and Davis - Nelson Sharpe (Via Alazan) 138kV lines.
The revised proposal for this SPS is being reviewed by ERCOT as described in the SPS Approval Procedure. Comments on the SPS revision are due by January 26, 2012, and should be submitted to [log in to unmask]<mailto:[log in to unmask]> using the attached comment form. Any questions or concerns raised during this timeframe will be addressed by ERCOT Staff or AEP.
Information regarding SPSs can be found on the ERCOT Market Information System (MIS) under "Special Protection Systems and Remedial Action Plans" at https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Long+Term+Planning. A digital certificate is required to access the MIS.

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<http://lists.ercot.com/>.




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