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NOTICE DATE:  February 1, 2019
NOTICE TYPE:  W-B020119-01 Operations
SHORT DESCRIPTION:  ERCOT MOTE will be open for DST testing
INTENDED AUDIENCE: QSE operations personnel
DAYS AFFECTED:  February 18, 2019 through February 22, 2019
LONG DESCRIPTION:  The ERCOT Market Operations Test Environment (MOTE) will be available for Market Participant Daylight Saving Time (DST) testing as listed in the table below.  Note that there is one period for testing this year.  The testing period will be from Monday through Friday and will follow the simulated times shown in the table.
Real-time

Simulated time

MOTE system

2/18/19 2:00 PM

3/8/19 2:00 AM

MOTE Servers Normal Time change to DST Time

2/18/19 5:00 PM

3/8/19 5:00 AM

Start testing QSE submissions for next 5 days including Short Day 03/10/2019

2/18/19 10:00 PM

3/8/19 10:00 AM

DAM close for Operating Day 03/09/2019

2/19/19 10:00 PM

3/9/19 10:00 AM

DAM close for Operating Day  03/10/2019 (Short DST Day)

2/20/19 1:00 PM

3/10/19 1:00 AM

CST Time

2/20/19 2:00 PM

3/10/19 3:00 AM

DST Transition Time

2/20/19 9:00 PM

3/10/19 10:00 AM

DAM close for Operating Day 03/11/2019

2/21/19 9:00 PM

3/11/19 10:00 AM

DAM close for Operating Day 03/12/2019

2/22/19 10:00 AM

3/11/19 11:00 PM

Close of Test and MOTE Servers DST Time Change to Normal Time


ADDITIONAL INFORMATION:  For information regarding submissions, including Daylight Saving Time requirements, please refer to the latest version of the EIP External Interface Specifications<http://www.ercot.com/content/wcm/lists/89535/eip_external_interfaces_specification_v1_20K.zip> document for use of the External Web Services (EWS) found in the Wholesale section of the XSDs<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.
The following are examples of how the Short DST Day March 8, 2019 are labeled:

0100
0200
0400
0500

The MOTE MPIM application will be unavailable for the duration of the DST testing.
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.



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