The ERCOT planned on-cycle retail release outage completed at approximately 20:27 today, Saturday, April 24, 2010. All systems and transaction processing were reinstated at that time. DP From: ERCOT Client Relations Sent: Friday, April 23, 2010 9:11 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-A03242010-03 REMINDER: Release - Retail/Wholesale MPIM - on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. NOTICE DATE: April 23, 2010 NOTICE TYPE: M-A03242010- 03: REMINDER: Release – Retail/Wholesale MPIM SHORT DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010 LONG DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. Project 90011_01, Add AMS Meter Flag to the Database Query Function on MIS, is a market impacting project and will be implemented during this release. Project 90011_01 was the result of PRR805, Adding POLR Customer Class and AMS Meter Flag to the Database Query Function on the MIS. With the implementation of Project 90011_01, the grey boxed section of Protocol 15.2, Database Queries will be unboxed. MPIM Defect #15213, Email Notifications not sent when Citrix role is added to a Market Participant USA or USER, will be corrected. 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 • MPIM • Certificate role management • New account creation • Certificate request/revocation • Account termination • Reports. • 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/>. DH/DP 127417 From: ERCOT Client Relations Sent: Wednesday, April 14, 2010 1:42 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-A03242010-02 REMINDER: Release - Retail/Wholesale MPIM - on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. NOTICE DATE: April 14, 2010 NOTICE TYPE: M-A03242010- 02 REMINDER: Release – Retail/Wholesale MPIM SHORT DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010 LONG DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. Project 90011_01, Add AMS Meter Flag to the Database Query Function on MIS, is a market impacting project and will be implemented during this release. Project 90011_01 was the result of PRR805, Adding POLR Customer Class and AMS Meter Flag to the Database Query Function on the MIS. With the implementation of Project 90011_01, the grey boxed section of Protocol 15.2, Database Queries will be unboxed. MPIM Defect #15213, Email Notifications not sent when Citrix role is added to a Market Participant USA or USER, will be corrected. 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 • MPIM • Certificate role management • New account creation • Certificate request/revocation • Account termination • Reports. • 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/>. DH/JA From: ERCOT Client Relations Sent: Wednesday, March 24, 2010 1:58 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-A03242010-01 INITIAL: Release - Retail - on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. NOTICE DATE: March 24, 2010 NOTICE TYPE: M-A03242010-01 INITIAL: Release - Retail SHORT DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010 LONG DESCRIPTION: ERCOT has an on-cycle retail release planned for 12:00 PM Saturday, April 24, 2010 through 12:00 AM Monday, April 26, 2010. Project 90011- AMS Meter Flag Addition, is a market impacting project and will be implemented during this release. Project 90006 – Information Lifecycle Management, is an internal ERCOT project and will be implemented during this release. 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<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/>. DH/DP