NOTICE DATE:  August 4, 2014
NOTICE TYPE:  M-A062014-03 Operations
SHORT DESCRIPTION:  Update to the Proposal to Disable Benbrook Switching Station SPS #41 and #42
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  August 6, 2014
LONG DESCRIPTION:  ERCOT received communication from Oncor Electric Delivery Company, LLC (Oncor) that the Benbrook Switching Station SPSs (SPS #41 and #42) are scheduled to be permanently removed from the field on August 6, 2014. Oncor has indicated that post retirement of the SPSs the series reactor on the 138 kV side of the Benbrook Switching Station will be operated manually with supervisory control.
ADDITIONAL INFORMATION:  Information regarding SPSs can be found on the ERCOT Market Information System (MIS) under Special Protection Systems and Remedial Action Plans<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.
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NOTICE DATE:  July 16, 2014
NOTICE TYPE:  M-A062014-02 Operations
SHORT DESCRIPTION:  Update to the Proposal to Disable Benbrook Switching Station SPS #41 and #42
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  July 16, 2014
LONG DESCRIPTION:  ERCOT has received a proposal to disable the Benbrook Switching Station Special Protection Schemes (SPS #41 and #42). Benbrook SPSs were designed to protect loading of the 345/138 kV autotransformers at the Benbrook Switching station. Oncor Electric Delivery Company, LLC (Oncor) has indicated that post retirement, these SPSs will be placed in manual mode with supervisory control.
ERCOT has completed its review of the proposal to disable the Benbrook Switching Station SPSs and is recommending that the Benbrook Switching Station SPSs (SPS #41 and #42) be removed. A Market Notice will be sent to inform ERCOT Market Participants of the removal date of these SPSs once it has been determined.
ADDITIONAL INFORMATION:  Information regarding SPSs can be found on the ERCOT Market Information System (MIS) under Special Protection Systems and Remedial Action Plans<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.

NOTICE DATE:  June 20, 2014
NOTICE TYPE:  M-A062014-01 Operations
SHORT DESCRIPTION:  Proposal to Disable Benbrook Switching Station SPS #41 and #42
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  July 7, 2014
LONG DESCRIPTION:  ERCOT has received a proposal to disable the Benbrook Switching Station Special Protection Schemes (SPS #41 and #42). Benbrook SPSs were designed to protect loading of the 345/138 kV autotransformers at the Benbrook Switching station. Oncor Electric Delivery Company, LLC (Oncor) has indicated that post-retirement, these SPSs will be operated with supervisory control and switched manually when necessary.
The proposal to disable the Benbrook Switching station Special Protection Schemes (SPS #41 and #42) is being reviewed by ERCOT as described in the SPS Approval Procedure. Comments on the proposal are due by July 7, 2014 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 the entity submitting the SPS proposal.
ADDITIONAL INFORMATION:  Information regarding SPSs can be found on the ERCOT Market Information System (MIS) under Special Protection Systems and Remedial Action Plans<https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Long+Term+Planning>.  A Digital Certificate is required to access the MIS.
ACTION REQUIRED:  Any comments to this proposal are due to ERCOT by July 7, 2014 using the attached form.
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.




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