NOTICE DATE: September 26, 2011

NOTICE TYPE: W-A092311-02 Operations

SHORT DESCRIPTION: The ERCOT MOTE will be open for DST testing

INTENDED AUDIENCE: QSE operations personnel

DAYS AFFECTED: October 11-14, 25-28 and November 1-4, 2011

LONG DESCRIPTION:

SUBMISSIONS

For information regarding submissions, including Daylight Saving Time requirements, please refer to the latest version of the EIP External Interface Specifications document for use of the External Web Services (EWS) found in the Wholesale section of the http://www.ercot.com/services/mdt/xsds/ webpage. The most recent External Web Services XSD may also be found in the same location.

During testing, the URL for XML submissions will be: https://testingapi.ercot.com/2007-08/Nodal/eEDS/EWS/. The URL for UI submissions will be: https://testing.ercot.com/mmsui/mmsui/displayTradesLanding.action.

Submissions will be using the asterisk (*) on the repeating hour for DST. The following is an example of how the hourly intervals for November 6, 2011 are labeled:

…

0100

0200

0200*

0300

0400…

ADDITIONAL INFORMATION: The Qualified Scheduling Entity Managers Working Group (QMWG) meeting on October 10, 2011, will include a DST Testing Q&A agenda item with ERCOT EMS/MMS Subject Matter Experts (SMEs) available to provide responses.

ERCOT will be sending information regarding extracts and reports in an update notice later this week.

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].

If you are receiving email 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.

From: ERCOT Client Services
Sent: Friday, September 23, 2011 4:34 PM
To: [log in to unmask]
Cc: 1 ERCOT Client Service Reps; [log in to unmask]; [log in to unmask]
Subject: W-A092311-01 ERCOT MOTE Daylight Saving Time Testing

NOTICE DATE: September 23, 2011

NOTICE TYPE: W-A092311-01 Operations

SHORT DESCRIPTION: The ERCOT MOTE will be open for DST testing

INTENDED AUDIENCE: QSE operations personnel

DAYS AFFECTED: See table below

LONG DESCRIPTION: The ERCOT Market Operations Test Environment (MOTE) will be available for Market Participant Daylight Saving Time (DST) testing for the three periods listed in the table below. Each testing period will be from Tuesday through Friday and will follow the simulated times shown in the table. The MOTE will be unavailable on Monday of each testing week to allow ERCOT to prepare for the tests.

MOTE DST Testing
Real-time	Simulated time
10/11/2011 08:00	11/03/2011 08:00	Start testing QSE submissions for Long Day 11/06/2011
10/12/2011 10:00	11/04/2011 10:00
10/13/2011 10:00	11/05/2011 10:00	DAM close for Operating Day 11/06/2011
10/14/2011 02:00	11/06/2011 02:00	DST Transition Time
10/14/2011 03:00	11/06/2011 02:00*
10/14/2011 12:00	11/07/2011 11:00	Close of Test

Real-time	Simulated time
10/25/2011 08:00	11/03/2011 08:00	Start testing QSE submissions for Long Day 11/06/2011
10/26/2011 10:00	11/04/2011 10:00
10/27/2011 10:00	11/05/2011 10:00	DAM close for Operating Day 11/06/2011
10/28/2011 02:00	11/06/2011 02:00	DST Transition Time
10/28/2011 03:00	11/06/2011 02:00*
10/28/2011 12:00	11/07/2011 11:00	Close of Test

Real-time	Simulated time
11/01/2011 08:00	11/03/2011 08:00	Start testing QSE submissions for Long Day 11/06/2011
11/02/2011 10:00	11/04/2011 10:00
11/03/2011 10:00	11/05/2011 10:00	DAM close for Operating Day 11/06/2011
11/04/2011 02:00	11/06/2011 02:00	DST Transition Time
11/04/2011 03:00	11/06/2011 02:00*
11/04/2011 12:00	11/07/2011 11:00	Close of Test

ADDITIONAL INFORMATION: ERCOT will be sending information regarding submissions and extracts and reports in update notices next week.

If you are receiving email 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.