PDCWG Meeting

August 03, 2011
08:00 AM - 05:00 PM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Room 168







ERCOT Antitrust Guidelines for Members of Committees, Sub Committees & Working Groups

  • Antitrust Admonition v3.17.09

ERCOT strictly prohibits Market Participants and their employees who are participating in ERCOT activities from using their participation in ERCOT activities as a forum for engaging in practices or communications that violate the antitrust laws. The ERCOT Board has approved guidelines for members of ERCOT Committees, Subcommittees and Working Groups to be reviewed and followed by each Market Participant attending ERCOT meetings. If you have not received a copy of these Guidelines, copies are available at the Client Relations desk. Please remember your ongoing obligation to comply with all applicable laws, including the antitrust laws.

  • Confidentiality of Data and Information
  • Reaffirmation of NDA to be signed by PDCWG Members


S. Niemeyer

9:00 am



TRE Update



B. Collins

D. Penney


9:05 am


ERCOT Update

  • GREDP Review
    • General Compliance Issues, Section 8
  • ERCOT Control Performance.  July 2011 CPS1 score was 156.4, up significantly from June score.
  • Improved Generator Primary Frequency Response Performance.


J. Healy

9:10 am



Analysis of QSE Performance during ERCOT Distrubances:

  • 06-22-2011@ 1318 High Frequency Event
  • 06-27-2011@ 1254 659.5 MW loss xx µHz/sec/MW loss -393 MW/0.1Hz
  • 07-15-2011@ 0820 High Frequency Event
  • 07-18-2011@ 0913 464 MW loss xx µHz/sec/MW loss -492 MW/0.1Hz
  • 07-18-2011@ 2050 593.3 MW loss xx µHz/sec/MW loss -444 MW/0.1Hz

*ERCOT to follow up on units that do not perform as expected.



11:00 am


Forecasting Primary Frequency Response Presentation


B. Green

10:00 am





12:00 pm


NERC Activities:

  • BAL-003 BA PFR Evaluation and Field Trial of 2011 events
  • BAL-001-TRE Workshop on August 24 from 9:00 to 1:00 at the Met Center.  Final versions of standard, flow charts, Reference Document available on TRE website as part of the Aug 5th RSC meeting agenda.  Evaluation spreadsheets are also available on the TRE web site.
  • Resources Subcommittee seeking alternate people to support the RS, FWG, RWG and IWG.  Anyone can join the WG’s and participate in activities.  Need official back-up person for ERCOT RS position.
  • Reliability Metrics Working Group: metric on Interconnection Frequency Response.  Deadline of Sept 1, 2011 to submit ERCOT Interconnection Frequency Response for 2009, 2010 and 2011 using standard measurement.
  • RS meeting in San Antonio April 25 & 26, 2012.  (Back-up location)  Need to confirm meeting room availability if possible.


S. Sharma

S. Niemeyer

A. Palani


D. Kee


1:00 pm



Complete PDCWG comments on NOGRR067 and NPRR334 based on July 5 PDCWG Meeting.  Update on holistic review of Primary Frequency Response and RRS.  Discuss BAL-001-TRE requirements and coordination into Protocols and Guides.



1:30 pm


Review action items:

·         Changes to Disturbance Evaluation spreadsheet  HSL/LSL and grey box EPFR fix by spring of 2012.  Need RARF info on db and droop.

·         Summary of PDCWG discussion and disposition on issues presented by the ROS.

·         PDCWG report to ROS for August.  Still need frequency profile completed.  Action items from July 5th PDCWG meeting.

·         Next PDCWG Meetings

2011 Schedule in room 168 on Wednesday s except where noted:

August 31, 2011; 9am until 5pm

October 4, 2011; 9am until 5pm (Tuesday)

November 2, 2011; 9am until 5pm

November 30, 2011; 9am until 5pm



4:30 pm





5:00 pm

Scheduled pdcwg Meetings

Key Documents

Aug 3, 2011 - ppt - 344 KB

All information is posted as Public in accordance with the ERCOT Websites Content Management Corporate Standard.