NOTICE DATE:  August 26, 2009
NOTICE TYPE:  M-A082609-01 Release - Retail
SHORT DESCRIPTION:  ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, September 26, 2009 through 12:00 AM Monday, September 28, 2009.
INTENDED AUDIENCE:  All Market Participants
DAY AFFECTED:  12:00 PM Saturday, September 26, 2009 through 12:00 AM Monday, September 28, 2009.
LONG DESCRIPTION:  ERCOT has an on-cycle retail release scheduled from 12:00 PM Saturday, September 26, 2009 through 12:00 AM Monday, September 28, 2009.
For reference, SIRs to be implemented on this release are included in the attachment.
The following projects will be implemented during this release:
PR80031_01 - Retail Application Upgrades
PR50061_01 EDI server and NAESB Transition to ISM
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.
*         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<http://www.ercot.com/>
*         MarkeTrak - https://marketrak.ercot.com:8443/tmtrack.dll
*         TCR - https://tcr.ercot.com<https://tcr.ercot.com/>
*         Texas Renewables - www.texasrenewables.com<http://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]<mailto:[log in to unmask]>.

If you are receiving e-mail from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<http://lists.ercot.com/>.
JR/DP