NOTICE DATE: March 20, 2009 NOTICE TYPE: M-A031109-03 Cancellation: Release - Retail CLASSIFICATION: All Market Participants SHORT DESCRIPTION: ERCOT has cancelled the on-cycle Retail Release originally planned for 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009 LONG DESCRIPTION: Since the required testing is still in progress, ERCOT has cancelled the on-cycle Retail Release originally scheduled for 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. 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/>. DH/JR From: ERCOT Client Relations Sent: Friday, March 20, 2009 8:50 AM To: [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask] Cc: [log in to unmask]; [log in to unmask]; [log in to unmask]; 1 ERCOT Client Service Reps Subject: M-A031109-02 REMINDER: Release - Retail - Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009 NOTICE DATE: March 20, 2009 NOTICE TYPE: M-A031109-02 REMINDER: Release - Retail SHORT DESCRIPTION: ERCOT has an on-cycle Retail Release planned for 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009 LONG DESCRIPTION: ERCOT has an on-cycle Retail Release scheduled from 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. For reference, three (3) Market impacting SIRs and seven (7) Non-Market impacting SIRs are included in the attachment. 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 From: ERCOT Client Relations Sent: Wednesday, March 11, 2009 8:44 AM To: [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask] Cc: [log in to unmask]; [log in to unmask]; [log in to unmask]; 1 ERCOT Client Service Reps Subject: M-A031109-01 INITIAL: Release - Retail - Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009 NOTICE DATE: March 11, 2009 NOTICE TYPE: M-A031109-01 INITIAL: Release - Retail SHORT DESCRIPTION: ERCOT has an on-cycle Retail Release planned for 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009 LONG DESCRIPTION: ERCOT has an on-cycle Retail Release scheduled from 12:00 PM Saturday, March 21, 2009 through 12:00 AM Monday, March 23, 2009. For reference, two (2) Market impacting SIRs and eight (8) Non-Market impacting SIRs are included in the attachment. 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/DH/JA