NOTICE DATE:  February 2, 2009

NOTICE TYPE:  M-B020209-01 Operations

SHORT DESCRIPTION:  Eskota Switching Station SPS Proposal

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  Proposed in-service March 2, 2009

LONG DESCRIPTION:  Oncor Electric Delivery has submitted a proposal for a new Special Protection System (SPS) at Eskota Switching Station.  This SPS is intended to protect against post-contingency overloading on the Eskota – South Abilene 138 kV line and the Eskota 138/69 kV Autotransformer that may occur due to changing generation patterns. 

ERCOT is currently initiating a review of this Type-1 SPS.  Information regarding SPSs can be viewed on the ERCOT Planning and Operations Information secure website:  http://planning.ercot.com/login/login.

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 e-mail at [log in to unmask].

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