NOTICE DATE:  September 15, 2011
NOTICE TYPE:  M-A091511-01 INITIAL:  Maintenance Outage – Retail/Wholesale
SHORT DESCRIPTION:  Scheduled Maintenance Outage
INTENDED AUDIENCE:  All Market Participants
DAY AFFECTED:  Sunday, September 25, 2011 from 06:00 through 21:00
LONG DESCRIPTION:  ERCOT has scheduled a maintenance outage for Sunday, September 25, 2011 from 06:00 through 21:00.
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/>
·         Components of the MIS will NOT be available including:
·         Retail Applications
·
·         Components of the MIS will intermittently NOT be available including:
·         Downloading of extracts and reports
·         Current Day Reports without retry functionality may not be rerun for the missed postings during the outage time.
·         MIS Secure area dashboards will be intermittently unavailable
·         www.ercot.com<http://www.ercot.com> pricing and load data displays will be intermittently unavailable
·         USA Functionalities
·         Extract Subscriber
·         Market Data Transparency
·
·         During this outage, please use the following URLs to directly access the Market Manager and Outage Scheduler:
https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action
https://mis.ercot.com/osrui/osrui/Summary.action

Components of the External Web Services (EWS) will intermittently NOT be available

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
261810


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