NOTICE DATE: September 28, 2010

NOTICE TYPE: M-A092810-01 Extracts

SHORT DESCRIPTION: Incomplete Settlements and Billing Extracts posted

INTENDED AUDIENCE: Market Participants

DAYS AFFECTED: Posting Days September 25 – 26, 2010

LONG DESCRIPTION: The Settlements and Billing Extracts that were posted on September 25 – 26, 2010, on the Texas Market Link (TML) were incomplete. The extracts posted did not include the following Bill Determinants:

· LARMRBILLAMT

· PCNSBILLAMT

· PCRDBILLAMT

· PCRRBILLAMT

· PCRUBILLAMT

· QNSBILLAMT

· RMRVCC

ERCOT made data updates for nodal preparation that caused the affected bill determinants to be excluded in the posted extracts. The Settlements and Billing Extracts that were posted on September 25 – 26, 2010, have been removed from TML and will be rerun to include complete data. ERCOT expects to have these extracts reposted no later than September 30, 2010.

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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