NOTICE DATE: February 8, 2016 NOTICE TYPE: W-A020816-01 Operations SHORT DESCRIPTION: 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 two periods listed in the tables 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 Iteration 1 Real-time Simulated time 02/15/2016 10:00 am 03/10/2016 10:00 pm MOTE Servers Normal Time change to DST Time 02/15/2016 01:00 pm 03/11/2016 01:00 am Start testing QSE submissions for next 5 days including 03/12/2016, Short Day 03/13/2016 Operating Days 02/15/2016 10:00 pm 03/11/2016 10:00 am DAM close for Operating Day 03/12/2016 02/16/2016 10:00 pm 03/12/2016 10:00 am DAM close for Operating Day 03/13/2016 (Short DST Day ) 02/17/2016 01:00 pm 03/13/2016 01:00 am CST Time 02/17/2016 02:00 pm 03/13/2016 03:00 am DST Transition Time 02/17/2016 09:00 pm 03/13/2016 10:00 am DAM close for Operating Day 03/14/2016 02/18/2016 09:00 pm 03/14/2016 10:00 am DAM close for Operating Day 03/15/2016 02/19/2016 10:00 am 03/14/2016 11:00 pm Close of Test and MOTE Servers DST Time Change to Normal Time MOTE DST Testing Iteration 2 Real-time Simulated time 02/29/2016 10:00 am 03/10/2016 10:00 pm MOTE Servers Normal Time change to DST Time 02/29/2016 01:00 pm 03/11/2016 01:00 am Start testing QSE submissions for next 5 days including 03/12/2016, Short Day 03/13/2016 Operating Days 02/29/2016 10:00 pm 03/11/2016 10:00 am DAM close for Operating Day 03/12/2016 03/01/2016 10:00 pm 03/12/2016 10:00 am DAM close for Operating Day 03/13/2016 (Short DST Day ) 03/02/2016 01:00 pm 03/13/2016 01:00 am CST Time 03/02/2016 02:00 pm 03/13/2016 03:00 am DST Transition Time 03/02/2016 09:00 pm 03/13/2016 10:00 am DAM close for Operating Day 03/14/2016 03/03/2016 09:00 pm 03/14/2016 10:00 am DAM close for Operating Day 03/15/2016 03/04/2016 10:00 am 03/14/2016 11:00 pm Close of Test and MOTE Servers DST Time Change to Normal Time 03/05/ 10:00 pm ADDITIONAL INFORMATION: 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. The following are examples of how the Short DST Day March 12, 2016 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. sa