NOTICE DATE: April 11, 2014

NOTICE TYPE: M-B041114-01 Outage Retail/Wholesale

SHORT DESCRIPTION: Scheduled Maintenance Outage

INTENDED AUDIENCE: All Market Participants

DAY AFFECTED: April 23, 2014 from 15:00 through 16:00

LONG DESCRIPTION: ERCOT will be performing scheduled maintenance on April 23, 2014 from 15:00 – 16:00.

ERCOT systems may experience intermittent service interruptions during this maintenance period. The systems include, but are not limited to:

Market Participant notifications
Outage Scheduler User Interface

o During this outage, please use https://mis.ercot.com/osrui/osrui/Summary.action to directly access the Outage Scheduler

Market Management System User Interface

o During this outage, please use https://mis.ercot.com/mmsui/mmsui/displayTradesLanding.action to directly access the Market Manager

Components of the ERCOT Market Information System (MIS) including:

o Report publishing to, and retrieval from, the MIS

o Current Day Reports (CDRs) without retry functionality may not be rerun for the missed postings during the outage

o MIS and ERCOT.com dashboards and search functionality

Components of the External Web Services (EWS)
MarkeTrak
Retail Application components of the MIS and the Retail API
Retail Reports and Extracts
eService application on the Market Information System (MIS)
Market Participant Identity Management (MPIM)
Find ESIID and Find Transaction
Market Data Transparency (MDT) Web Services
Extract Subscriber
Net Dependable Capability and Reactive Capability (NDCRC)
Texas Renewables (REC) – www.texasrenewables.com

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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