NOTICE DATE:  October 6, 2009

NOTICE TYPE:  W-A100609-01 Operations

SHORT DESCRIPTION:  The ERCOT Market Operations Test Environment (MOTE) will be open for Daylight Savings Time (DST) testing

INTENDED AUDIENCE:  QSE Operations Personnel

DAYS AFFECTED:  October 20 and October 22, 2009

LONG DESCRIPTION:  The ERCOT Market Operations Test Environment (MOTE) will be available for Market Participant testing on Tuesday, October 20, 2009, with a back-up testing day of Thursday, October 22, 2009. This testing will follow the simulated times shown in the table below. The MOTE will be unavailable on Monday, October 19, 2009, in order to prepare for the tests. If the back-up testing day is needed, MOTE will be unavailable on Wednesday, October 21, 2009, in order to prepare for the tests.

MOTE DST Testing

 

 

Real-time

Simulated time

 

10/20/2009   08:00

10/31/2009   19:00

Start test; Day-Ahead and AS Market Opens

10/20/2009   10:00

10/31/2009   21:00

AS Market Close

10/20/2009   10:30

10/31/2009   21:30

Day-Ahead Market Close, run RPRS

10/20/2009   13:00

11/01/2009   00:00

Start of DST day

10/20/2009   15:00

11/01/2009   02:00

DST Transition Time

10/20/2009   16:00

11/01/2009   02:00d

DST Second Hour

10/20/2009   18:00

11/01/2009   04:00

Close of Test

 

 

 

Real-time

Simulated time

 

10/22/2009   08:00

10/31/2009   19:00

Start test; Day-Ahead and AS Market Opens

10/22/2009   10:00

10/31/2009   21:00

AS Market Close

10/22/2009   10:30

10/31/2009   21:30

Day-Ahead Market Close, run RPRS

10/22/2009   13:00

11/01/2009   00:00

Start of DST day

10/22/2009   15:00

11/01/2009   02:00

DST Transition Time

10/22/2009   16:00

11/01/2009   02:00d

DST Second Hour

10/22/2009   18:00

11/01/2009   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.

The following are examples of how the 15-minute intervals for October 20, 2009, 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 e-mail at [log in to unmask].

If you are receiving e-mail 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.

 

dh