NOTICE DATE: December 7, 2012 NOTICE TYPE: M-A112812-03 UPDATE: Maintenance Outage – Retail/Wholesale SHORT DESCRIPTION: ERCOT will perform a maintenance outage from 12:00 to 21:00 on Sunday, December 9, 2012 instead of the originally scheduled retail release. INTENDED AUDIENCE: All Market Participants DAYS AFFECTED: Sunday, December 9, 2012 from 12:00 to 21:00 LONG DESCRIPTION: ERCOT has cancelled the on-cycle retail release planned for 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012. ERCOT will perform a maintenance outage from 12:00 to 21:00 on Sunday, December 9, 2012 instead. ADDITIONAL INFORMATION: During this 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. * 867 Transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * Retail components of the MIS and the Retail API will not be available. * MarkeTrak will be unavailable. * eService application will be unavailable on the Market Information System (MIS). * REC (Texas Renewables – www.texasrenewables.com<http://www.texasrenewables.com>) will be unavailable. * ETOD will be unavailable. 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 414909 From: ERCOT Client Services Sent: Wednesday, November 28, 2012 1:14 PM 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-A112812-02 REMINDER - Release – Retail - 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012 NOTICE DATE: November 28, 2012 NOTICE TYPE: M-A112812-02 REMINDER: Release – Retail SHORT DESCRIPTION: ERCOT has an on-cycle retail release planned for 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012. INTENDED AUDIENCE: All Market Participants DAYS AFFECTED: 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012 LONG DESCRIPTION: ERCOT has an on-cycle retail release planned for 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012. ERCOT will be implementing an upgrade to the database systems supporting EDI, EIF, and FTP. ADDITIONAL INFORMATION: During this 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. * 867 Transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * Retail components of the MIS and the Retail API will not be available. * MarkeTrak will be unavailable. * eService application will be unavailable on the Market Information System (MIS). * MPIM will be unavailable. 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 414909 From: ERCOT Client Services Sent: Wednesday, November 14, 2012 11:00 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-A111412-01 INITIAL - Release – Retail - 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012 NOTICE DATE: November 14, 2012 NOTICE TYPE: M-A111412-01 INITIAL: Release – Retail SHORT DESCRIPTION: ERCOT has an on-cycle retail release planned for 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012. INTENDED AUDIENCE: All Market Participants DAYS AFFECTED: 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012 LONG DESCRIPTION: ERCOT has an on-cycle retail release planned for 14:00 Saturday, December 8, 2012 through 00:00 Monday, December 10, 2012. ERCOT will be implementing an upgrade to the database systems supporting EDI, EIF, and FTP. ADDITIONAL INFORMATION: During this 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. * 867 Transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * Retail components of the MIS and the Retail API will not be available. * MarkeTrak will be unavailable. * eService application will be unavailable on the Market Information System (MIS). * MPIM will be unavailable. 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 414909