NOTICE DATE:  February 18, 2011
NOTICE TYPE:  W-A021811-01 Operations
SHORT DESCRIPTION:  The ERCOT MOTE will be open for DST testing
INTENDED AUDIENCE:  Qualified Scheduling Entity (QSE) Operations Personnel
DAYS AFFECTED:  March 1 - 4, 2011
LONG DESCRIPTION:  The ERCOT Market Operations Test Environment (MOTE) will be available for Market Participant Daylight Saving Time (DST) testing from Tuesday, March 1, 2011, until Friday, March 4, 2011. This testing will follow the simulated times shown in the table below. The MOTE will be unavailable on Monday, February 28, 2011, in order to prepare for the tests.
MOTE DST Testing


Simulated time

3/1/2011   08:00

3/10/2011   08:00

Start testing QSE submissions for short day, which will occur on test calendar day 3/4/2011

3/3/2011   10:00

3/12/2011   10:00

DAM close for Operating Day 3/13/2011

3/4/2011   01:00

3/13/2011   01:00

3/4/2011   02:00

3/13/2011   02:00

DST transition

3/4/2011   03:00

3/13/2011   04:00

3/4/2011   17:00

3/13/2011   17:00

Close of Test

ADDITIONAL INFORMATION:  Please refer to the latest version of the Market Participant Interface: XML document for additional information on Daylight Saving Time. If you need to request a copy of the document, please contact your ERCOT Account Manager. The URL for XML submissions will be:
The URL for UI submissions will be:
The following are examples of how the hourly intervals for March 13, 2011, are labeled:
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]>.
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