DEWG Meeting Summary Report to COPS 09/10/2007 Jim Galvin- Luminant Energy

ERCOT Update  ERCOT addressed issues related to recent extract problems after 7/30/07 (last DEWG meeting) Environment continues to experience periodic issues with stabilization and has established a development team to focus on stabilization issues  ERCOT introduced Steve Cox as Manager of Enterprise Information Services  ERCOT to discuss system architecture at the next meeting

ERCOT Update- 727 Re-baseline  Jackie Ashbaugh led a discussion on 727-Re- baseline and requested feedback Do MPs want all service history and usage data for ESIIDs owned  18-months consecutive required for calculating profile  12-months required for Data Aggregation Are there any concerns with the amount of data?

ERCOT Update- 727 Re-baseline  1 market participant expressed they would not request a re-baseline  1 company stated months would be adequate, but issues with more than 6-years due to the amount of data  5 companies expressed that 18 months is sufficient  1 company stated that they require present  1 company prefers 24-months to match minimum historical data kept in their systems  1 company stated they would require from July 2001 to present

ERCOT Update- 727 Re-baseline  ERCOT requests COPS direction for next steps for the re-baseline  ERCOT would like to ask COPS for a possible vote

Reliant Extract Proposal  Kyle Patrick presented a proposal to include the profile code on the TDSP ESI ID extract Has not received feedback from PUCT on potential concerns Benefits include understanding customer types on the front end, and assist in marketing and creating customer proposals  Kyle also requested consideration for information on load counts and volumes by profile, ERCOT indicated that data is available daily as public from ercot.com

Data Extract SLA  Remainder of the meeting, DEWG began work on the Data Extract SLA  Members ranked the extracts and reports on the Data Extracts and Report Matrix assigning criticality from 1 (most critical) to 3 (less critical)  27 of the 54 report/extracts were given a priority level of 1

Data Extract SLA  DEWG discussed expectations for the SLA Timeliness- setting guidelines that provide timely delivery of extracts and reports Completeness- setting guidelines that ensure all data expected is received Accuracy- setting guidelines that will ensure all data elements are accurate Availability- expectations on systematic access to extracts and reports (API, Report Explorer)

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