NOTICE DATE:  April 22, 2010

NOTICE TYPE: M-A042210-01 INITIAL: Release - Retail

SHORT DESCRIPTION:  ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, May 22, 2010 through 12:00 AM Monday, May 24, 2010.

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  12:00 PM Saturday, May 22, 2010 through 12:00 AM Monday, May 24, 2010

LONG DESCRIPTION:  ERCOT has an on-cycle retail release planned for May 22, 2010 through 12:00 AM Monday, May 24, 2010.

During the outage, ERCOT will implement internal Project 90006 – Information Lifecycle Management (ILM).  ERCOT will be exercising the following Protocol Requirements as part of the ILM project

– Protocol Section 17. Market Data Collection and Use

• 17.2.5 Data Retention

“The data stored in the Data Warehouse and Data Archive shall be available online for four (4) years from ERCOT’s creation or receipt of the data.  Data passed to the Data Archive will be stored by ERCOT for a total of seven (7) years.”

– Nodal Protocol Section 17. Market Monitoring and Data Collection

< note: effective with Nodal go-live>

• 17.2.5 Data Retention

“Data stored in the Data Warehouse and Data Archive must be available online for four (4) years from ERCOT’s creation or receipt of the data.  Data stored in the Data Archive must be maintained by ERCOT for a total of seven years from ERCOT’s creation or receipt of the data.”

Following are some changes that will be visible to Market Participants utilizing Texas Market Link (TML) Find Transaction functionality:

• FIND Transaction data will return up to 4 years.  Current functionality provides data back to January 2001.
• Date range values for Find Transaction will be defaulted to the past 6 months. 
• TML will display a notification that selection of a date ranger greater than 1 year in the past may not return as quickly or include transactions from current day.

In addition to the above changes to TML, the reprocessing of retail transactions by ERCOT will be limited to one year from the original processing date.

There are no SIRs being implemented in this release.

ADDITIONAL INFORMATION:  During the outage the following functions will be affected:

· Market Participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT during the outage.  This includes all retail transactions submitted via EDI (Electronic Data Interchange) and AMS LSE files.

· 867 transactions will NOT be forwarded during the outage.

· 997 Functional Acknowledgements will NOT be sent during the outage.

· Components of the TML and Commercial API will NOT be available including:

· Find ESI ID

· Find Transaction

· Submit Transactions

· USA Functionalities

· Report Explorer, including

· Reports

· Extracts

· Invoices

· Settlement Statements

· Extract Scheduler

· Web Services Data Requests

· ERCOT Internet Services will NOT be available, including but not limited to:

· ERCOT.com – www.ercot.com

· MarkeTrak - https://marketrak.ercot.com:8443/tmtrack.dll?

· TCR - https://tcr.ercot.com

· Texas Renewables – www.texasrenewables.com

MOS, Scheduling API, MOSTML, MOSPUBLIC, and Outage Scheduler will not be affected as there will be a DNS failover from Taylor to Austin.

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 [log in to unmask].

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DP/DH