PWG DOCUMENT LIBRARY

PWG MeetingMarch 24,

2010

PWG DOCUMENT LIBRARY A Microsoft Access database has been

designed to organize and report the historical PWG documents.

The following document attributes are stored: Name as it appears on the ERCOT web site Date (usually the date of the meeting when the

document was presented or discussed) Category such as “Unaccounted For Energy” ,

“Load Research Sampling” or “Annual Validation” Document type such as xls, doc or ppt Description (short summary of the document

contents) URL.

Rows can be sorted on any of the above attributes. 2

PWG DOCUMENT LIBRARY

The contents can be output to an Excel spreadsheet, Word document or pdf file and then posted to the ERCOT web site

The following slides contain examples. Excel Spreadsheet sorted by Date Word Document sorted by Date & Category.

Other web-related formats are possible such as xml and html.

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EXCEL SPREADSHEET SORTED BY DATE

Document Name Doc Date Business Category Doc Type Document Description Document URL in ERCOT Web Site

ERCOT IDR Threshold Analysis Summary 6/10/2004 IDR Threshold Analysis pptERCOT IDR Threshold Analysis Summary

http://www.ercot.com/content/meetings/rms/keydocs/2004/0610/RMS06102004-6.ppt

PWG-mtg_20050223_weather_sensitivity analysis 2/8/2005 Weather Sensitivity ppt

ERCOT Staff Analysis of Weather Sensitivity Code Changes. Analysis based on currently active IDRs. Includes both NOIE and IOU ESIIDs. Includes prospective changes based on ERCOT’s 2004 assignment review. Analysis period is market open to present.

http://www.ercot.com/content/meetings/pwg/keydocs/2006/0329/PWG-mtg_20050223_weather_sensi.ppt

Analysis of 2005 Residential Annual Validation Using the Customer Survey Results 10/26/2005 Annual Validation ppt

Quantify the accuracy of the 2005 Annual Validation Residential Profile Assignment Changes based on the survey responses in conjunction with each responder’s usage history and builds an accurate algorithm to predict presence and use of electric space heating.

http://www.ercot.com/content/meetings/pwg/keydocs/2005/1026/ERCOT_Residential_Survey_Analy.ppt

A Review of Impacts to UFE and Load Ratio Share Based on AV Profile ID Changes 10/26/2005 Unaccounted For Energy ppt

(1) Run test settlements with currently assigned Profile IDs and capture results; (2) In test environment, change Profile IDs as directed by the Annual Validation Process; (3) Run test settlements with changed Profile IDs and capture results; (4) compare changes in UFE and Load Ratio Share.

http://www.ercot.com/content/meetings/pwg/keydocs/2005/1026/PWG_10-26-2005_UFE_and_LRS.ppt

2005 Residential Heating & Fuel Type Survey Results 10/26/2005 Residential Survey ppt

Develop a more accurate algorithm to predict presence and use of electric heat for residential customers and collect data to support analysis to potentially develop new profile types.

http://www.ercot.com/content/meetings/pwg/keydocs/2005/1026/PWG_Presentation_Survey_200510.ppt

PWG_Presentation_Survey_20051026 10/26/2005 Residential Survey ppt2005 Residential Heating & Fuel Type Survey Results

http://www.ercot.com/content/meetings/pwg/keydocs/2005/1026/PWG_Presentation_Survey_200510.ppt

PWG Long Term Strategy 10/26/2005 Profiling Working Group pptPWG Long Term Strategy - How do we maximize scarce resources?

http://www.ercot.com/content/meetings/pwg/keydocs/2006/0524/PWG_Long_Term_Strategy.ppt

PWG 10-26-2005 UFE and LRS 10/26/2005 Unaccounted For Energy pptA Review of Impacts to UFE and Load Ratio Share Based on AV Profile ID Changes

http://www.ercot.com/content/meetings/pwg/keydocs/2005/1026/PWG_10-26-2005_UFE_and_LRS.ppt

Oil Gas Profile Change Request Recommendation 4/27/2006 Load Profiling Models docERCOT Oil & Gas Profile Change Recommendation

http://www.ercot.com/content/meetings/pwg/keydocs/2006/0427/Oil__Gas_Profile_Change_Reques.doc

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WORD DOCUMENT SORTED BY DATE & CATEGORY

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Document_Details Query Thursday, March 11, 201012:18:54 PM Document Name Date Business Category Doc Type Document Description Document URL in ERCOT Web Site ERCOT IDR Threshold Analysis Summary 6/10/2004 IDR Threshold Analysis ppt ERCOT IDR Threshold Analysis Summary http://www.ercot.com/content/meetings/rms/keyd ocs/2004/0610/RMS06102004-6.ppt

PWG-mtg_20050223_weather_sensitivity 2/8/2005 Weather Sensitivity ppt ERCOT Staff Analysis of Weather Sensitivity Code http://www.ercot.com/content/meetings/pwg/keyd analysis Changes. Analysis based on currently active IDRs. ocs/2006/0329/PWG- Includes both NOIE and IOU ESIIDs. Includes mtg_20050223_weather_sensi.ppt prospective changes based on ERCOT’s 2004 assignment review. Analysis period is market open to present.

Analysis of 2005 Residential Annual 10/26/2005 Annual Validation ppt Quantify the accuracy of the 2005 Annual Validation http://www.ercot.com/content/meetings/pwg/keyd Validation Using the Customer Survey Results Residential Profile Assignment Changes based on ocs/2005/1026/ERCOT_Residential_Survey_Analy. the survey responses in conjunction with each ppt responder’s usage history and builds an accurate algorithm to predict presence and use of electric space heating.

PWG Long Term Strategy 10/26/2005 Profiling Working Group ppt PWG Long Term Strategy - How do we maximize scarce resources?

2005 Residential Heating & Fuel Type Survey 10/26/2005 Residential Survey ppt Develop a more accurate algorithm to predict http://www.ercot.com/content/meetings/pwg/keyd Results presence and use of electric heat for residential ocs/2005/1026/PWG_Presentation_Survey_20051 customers and collect data to support analysis to 0.ppt potentially develop new profile types.

PWG_Presentation_Survey_20051026 10/26/2005 Residential Survey ppt 2005 Residential Heating & Fuel Type Survey http://www.ercot.com/content/meetings/pwg/keyd Results ocs/2005/1026/PWG_Presentation_Survey_20051 0.ppt

A Review of Impacts to UFE and Load Ratio 10/26/2005 Unaccounted For Energy ppt (1) Run test settlements with currently assigned http://www.ercot.com/content/meetings/pwg/keyd Share Based on AV Profile ID Changes Profile IDs and capture results; (2) In test ocs/2005/1026/PWG_10-26- environment, change Profile IDs as directed by the 2005_UFE_and_LRS.ppt Annual Validation Process; (3) Run test settlements with changed Profile IDs and capture results; (4) compare changes in UFE and Load Ratio Share.

PWG 10-26-2005 UFE and LRS 10/26/2005 Unaccounted For Energy ppt A Review of Impacts to UFE and Load Ratio Share http://www.ercot.com/content/meetings/pwg/keyd Based on AV Profile ID Changes ocs/2005/1026/PWG_10-26- 2005_UFE_and_LRS.ppt

Oil Gas Profile Change Request 4/27/2006 Load Profiling Models doc ERCOT Oil & Gas Profile Change Recommendation http://www.ercot.com/content/meetings/pwg/keyd Recommendation ocs/2006/0427/Oil__Gas_Profile_Change_Reque s.doc

Oil & Gas_PWG_20060427 4/27/2006 Load Profiling Models ppt ERCOT Recommendation for Oil & Gas Profile http://www.ercot.com/content/meetings/pwg/keyd Request ocs/2006/0427/Oil_&_Gas_PWG_20060427.ppt

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QUESTIONS?

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