*******TEXAS NODAL MARKET NOTICE*******

NOTICE DATE:  August 26, 2010

NOTICE TYPE:  Market Trials

SHORT DESCRIPTION:  REMINDER – The 40-Hour Full-System Market and Reliability Test is scheduled to start today, August 26, 2010, at 10:00 CDT

INTENDED AUDIENCE:  Qualified Scheduling Entities, QSEs with Resources, Resource Entities, Nodal Accountable Executives, Nodal Transition Project Managers, Market Trial Contacts

DAYS AFFECTED:  August 26 – 28, 2010

LONG DESCRIPTION:  The 40-Hour Full-System Market and Reliability Test is scheduled to start today, August 26, 2010, beginning at 10:00 CDT. The test is scheduled to run until 02:00 CDT on August 28, 2010.

Market participants should take the following steps:

  1. Ensure that support staff is available to support testing.
  2. Dial into the WebEx conference bridge (primary LFC contacts/non-control room personnel):
  1. Prepare your systems for switching Resources to Nodal control when instructed to do so by ERCOT
  2. Follow all instructions from the ERCOT control center and resolve issues as needed throughout the testing period

During the transition from Zonal to Nodal control and from Nodal to Zonal, each participating QSE will receive an individual call from the ERCOT Operator instructing them to switch control from one system to the other. QSEs must not switch to Nodal control until instructed to do so by ERCOT through this call.

ACTION REQUIRED:  Please advise operators and other personnel performing Zonal market activities that the necessary support staff will need to be available to support this testing through 02:00 CDT on August 28, 2010.

 CONTACT:  If you have any questions, please contact either the Market Trials team by email at [log in to unmask] or 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].

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dh