NOTICE DATE: October 6, 2010
NOTICE TYPE: W-A100610-02 Operations
SHORT DESCRIPTION: Clarification - The ERCOT zonal MOTE will be open for Daylight Savings Time (DST) testing
INTENDED AUDIENCE: QSE Operations Personnel
DAYS AFFECTED: October 19 and October 21, 2010
LONG DESCRIPTION: The ERCOT zonal Market Operations Test Environment (MOTE) will be available for Market Participant testing on Tuesday, October 19, 2010, with a back-up testing day of Thursday, October 21, 2010. This testing will follow the simulated times shown in the table below. The zonal MOTE will be unavailable on Monday, October 18, 2010, in order to prepare for the tests. If the back-up testing day is needed, zonal MOTE will be unavailable on Wednesday, October 20, 2010, in order to prepare for the tests.
This testing will not be performed for the nodal MOTE as it does not currently support DST.
Zonal MOTE DST Testing
Real-time
Simulated time
10/19/2010 08:00
11/06/2010 19:00
Start test; Day-Ahead and AS Market Opens
10/19/2010 10:00
11/06/2010 21:00
AS Market Close
10/19/2010 10:30
11/06/2010 21:30
Day-Ahead Market Close, run RPRS
10/19/2010 13:00
11/07/2010 00:00
Start of DST day
10/19/2010 15:00
11/07/2010 02:00
DST Transition Time
10/19/2010 16:00
11/07/2010 02:00d
DST Second Hour
10/19/2010 18:00
11/07/2010 04:00
Close of Test
Real-time
Simulated time
10/21/2010 08:00
11/06/2010 19:00
Start test; Day-Ahead and AS Market Opens
10/21/2010 10:00
11/06/2010 21:00
AS Market Close
10/21/2010 10:30
11/06/2010 21:30
Day-Ahead Market Close, run RPRS
10/21/2010 13:00
11/07/2010 00:00
Start of DST day
10/21/2010 15:00
11/07/2010 02:00
DST Transition Time
10/21/2010 16:00
11/07/2010 02:00d
DST Second Hour
10/21/2010 18:00
11/07/2010 04:00
Close of Test
ADDITIONAL INFORMATION: Please refer to the latest version of the Market Participant Interface: XML document for additional information on Daylight Savings Time. If you need to request a copy of the document, please contact your ERCOT Account Manager. The URL for XML submissions will be: https://mostest.ercot.com/ercot-xml/servlet/Listener. The URL for portal submissions will be: https://testtml.ercot.com<https://testtml.ercot.com/>.
The following are examples of how the 15-minute intervals for October 19, 2010, are labeled:
...
0100
0115
0130
0145
0200
0115d (DST 2nd hour)
0130d (DST 2nd hour)
0145d (DST 2nd hour)
0200d (DST 2nd hour)
0215
0230
0245
etc.
and the hourly intervals are labeled as follows:
...
0100
0200
0200d (DST 2nd hour)
0300
0400.
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]<mailto:[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<http://lists.ercot.com/>.
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