NOTICE DATE:  February 25, 2011

NOTICE TYPE:  W-B022511-01 Settlements

SHORT DESCRIPTION:  Change to STARTTYPE calculation process for RUC-committed Resources 

INTENDED AUDIENCE:  QSE Settlement Personnel

DAY AFFECTED:  March 28, 2011

LONG DESCRIPTION:  ERCOT is implementing changes to the STARTTYPE calculation process for RUC-committed Resources. The changes have a planned production migration date of March 28, 2011, and will take effect on settlement runs for the following Operating Days:

·         March 22, 2011 – Initial

·         February 1, 2011 – Final

Operating Days December 1, 2010, through January 31, 2011, will be corrected on True-Up.

ADDITIONAL INFORMATION:  The attached document provides further details of the process change.

Note the following changes to the bill determinants:

• STARTTYPE will no longer reside in the Settlement Inputs Data (SID) extract
• STARTTYPE will no longer reside in the MarketInputHeader/Interval table in the RTM CODE extract
• STARTTYPE will now reside in the Settlement Preprocessor Output Interval table in the RTM CODE extract

·         The DASTARTTYPE will remain unchanged.

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].

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dh