NOTICE DATE:  April 2, 2015

NOTICE TYPE:  M-C040215-01 Outage – Retail/Wholesale

SHORT DESCRIPTION:  Planned system maintenance with impacted services

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  April 7, 2015 10:00 – 11:00 and April 9, 2015 17:00 – 22:00

LONG DESCRIPTION:  ERCOT will be performing planned system maintenance of the Market Information System (MIS), Current Day Reports (CDR), and Information Content Exchange (ICE) databases and applications on April 7 and 9, 2015.

During the April 7 10:00 – 11:00 outage window, Market Participants may experience intermittent issues with the following service:

· Report publishing to the ERCOT MIS

During the April 9 17:00 – 22:00 outage window, Market Participants may experience intermittent issues with the following service:

· Market submissions and requests via WebServices, Market Manager and Outage Scheduler

· Report publishing to the ERCOT MIS

· Downloading of extracts and reports from MIS and WebServices

· Net Dependable Capability and Reactive Capability (NDCRC)

During the April 9, 17:00 – 22:00 outage, please use the following URLs to directly access the Market Manager, Congestion Revenue Right (CRR) Market User Interface, and Outage Scheduler: 

• https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action
• https://mis.ercot.com/crr/mui/ListAllUserMessage.do (For CRR Account Holders)
• https://mis.ercot.com/crr/mui/editSMPCreditLimit.do (For Counter-Parties)
• https://mis.ercot.com/osrui/osrui/Summary.action

Note that the outage start times may be delayed depending on the current system conditions.

ADDITIONAL INFORMATION:  Reports will be rerun and reposted as applicable. The MIS Dashboards and ERCOT.com price displays will not be populated with data during this timeframe.

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 email at [log in to unmask].

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