***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: February 20, 2017 NOTICE TYPE: W-A020717-02 Operations SHORT DESCRIPTION: Update - ERCOT MOTE will be open for DST testing has been rescheduled INTENDED AUDIENCE: QSE operations personnel DAY AFFECTED: February 21, 2017 LONG DESCRIPTION: Due to issues with the MOTE environment, The MOTE system time change for Market Participant Daylight Saving Time (DST) testing has been postponed to February 21, 2017. Below is the revised schedule: Real-time Simulated time MOTE system 2/21/17 10:00 AM 3/9/17 10:00 PM MOTE Servers Normal Time change to DST Time 2/21/17 5:00 PM 3/10/17 5:00 AM Start testing QSE submissions for next 5 days including Short Day 03/12/2017 2/21/17 10:00 PM 3/10/17 10:00 AM DAM close for Operating Day 03/11/2017 2/22/17 10:00 PM 3/11/17 10:00 AM DAM close for Operating Day 03/12/2017 (Short DST Day ) 2/23/17 1:00 PM 3/12/17 1:00 AM CST Time 2/23/17 2:00 PM 3/12/17 3:00 AM DST Transition Time 2/23/17 9:00 PM 3/12/17 10:00 AM DAM close for Operating Day 03/13/2017 2/24/17 9:00 PM 3/13/17 10:00 AM DAM close for Operating Day 03/14/2017 2/27/17 10:00 AM 3/15/17 11:00 PM Close of Test and MOTE Servers DST Time Change to Normal Time 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. mm NOTICE DATE: February 7, 2017 NOTICE TYPE: W-A020717-01 Operations SHORT DESCRIPTION: ERCOT MOTE will be open for DST testing INTENDED AUDIENCE: QSE operations personnel DAYS AFFECTED: February 20 through February 24, 2017 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 DST Testing 2/20/17 2:00 PM 3/10/17 2:00 AM MOTE Servers Normal Time change to DST Time With one l2/20/17 5:00 PM 3/10/17 5:00 AM Start testing QSE submissions for next 5 days including Short Day 03/12/2017 2/20/17 10:00 PM 3/10/17 10:00 AM DAM close for Operating Day 03/11/2017 2/21/17 10:00 PM 3/11/17 10:00 AM DAM close for Operating Day 03/12/2017 (Short DST Day ) 2/22/17 1:00 PM 3/12/17 1:00 AM CST Time 2/22/17 2:00 PM 3/12/17 3:00 AM DST Transition Time 2/22/17 9:00 PM 3/12/17 10:00 AM DAM close for Operating Day 03/13/2017 2/23/17 9:00 PM 3/13/17 10:00 AM DAM close for Operating Day 03/14/2017 2/24/17 10:00 AM 3/13/17 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 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, 2017 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