NOTICE DATE:  September 1, 2011

NOTICE TYPE:  W-A090111-01 Extracts - Wholesale

SHORT DESCRIPTION:  Line break or end-of-line character changes for CDR Reports

INTENDED AUDIENCE:  ERCOT Market Participants who depend on parsers using EOL

DAYS AFFECTED:  August 24, 2011, and forward

LONG DESCRIPTION:  In support of the implementation of Nodal Protocol Revision Request (NPRR) 350, Change to the Security Classification of the System Ancillary Service Capacity Monitor Dashboard, and System Change Request (SCR) 764, Public Access to Select MIS Dashboards, ERCOT made several back end system changes to the Current Day Report (CDR) generating system on August 24, 2011. While most of these changes have been seamless, ERCOT has discovered an unintentional market impact to the line break or end-of-line (EOL) character. The actual codes representing a new line vary across operating systems, which can be a problem when exchanging data between systems with different representations. Prior to the implementation, the CDR generated reports were provided to the market in Microsoft based line break or EOL character. Going forward, the reports will be using UNIX based line break or EOL character.

ACTION REQUIRED:  Market Participants who depend on parsers using EOL need to review and adjust their rules to handle this change.

ADDITIONAL INFORMATION:  For further information about EOL characters, please refer to http://en.wikipedia.org/wiki/Newline.

A list of impacted reports is attached to this Notice.

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]<mailto:[log in to unmask]>.

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