NOTICE DATE:  November 18, 2008

NOTICE TYPE:  M-B111808-01  Operations

SHORT DESCRIPTION:  Implementation of the Willow Valley Special
Protection Scheme (SPS)

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  November 18, 2008

LONG DESCRIPTION:  Oncor Electric Delivery has proposed installing an
SPS at the Willow Valley station to protect against possible congestion
in the area upon introduction of the Bull Creek Wind Plant.

The ERCOT ISO has approved this SPS, which is in-service effective
November 18, 2008.  Further details of the Willow Valley SPS can be
found in the "Special Protection Systems Information" section of the
Planning and Operations Information secure website at the link below.

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
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longer wish to receive, please follow this link in order to unsubscribe
from this list: http://lists.ercot.com <http://lists.ercot.com/> .

sg