LTRA Data Collection and Analysis Process

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Presentation transcript:

LTRA Data Collection and Analysis Process

Data Collection Process ERO-LTRA2008.xls workbook is sent as an attachment to the Data Request letter Workbook is to be filled out by regions and subregions Data submissions due to NERC by March 31 Notification of data corrections by April 16 Corrected submissions due by April 30

Data Collection Process Workbooks are copied to server folder and renamed Data is extracted from workbooks and imported into an Access database Data is queried and exported to Excel Tables and charts are inserted into a draft LTRA report

LTRA Data Collection Timeline NERC Data Request Letter Regional Managers and Data Coordinators February 6 7+ weeks NERC Technical Analyst Regional Data Submissions March 31 2 weeks Data Corrections Regional Data Coordinators April 16 2 weeks NERC Technical Analyst Corrected Data Submissions April 30 6 weeks Draft Report June 3 RAS Analysis, Charts and Tables

Data Analysis Process Tables and Charts Compare to previous year’s data Identify trend differences Flag and follow up on outliers Review demand and capacity projections Check for consistency with the self-assessment text Review capacity margin trends Identify when curves drop below target

NERC/EIA Data Interface KEY NERC = North American Reliability Corporation EIA = Energy Information Administration ES&D = Electricity Supply & Demand database & Unified Generator Database 860 = Annual Electric Generator Report (US only) 411 = Long-Term Generation & Supply Data (US Only) LTRA = Long-Term Reliability Assessment Data Collection (Contains 411 Data) All Data CA/MX Generator Data NERC EIA ES&D 411 Data 860 Data

Data Analysis Process Additional Data Queries Support emerging issues Identify industry trends Ad-hoc

Other Data Activities Electricity Supply and Demand (ES&D) LTRA data exported to Excel Includes historic capacity and demand data since 1990 Contains EIA-860 – Generator data Available for purchase NERC members - FREE Regional Council members - FREE Government agencies - FREE Educational Institutions - FREE Provide support

Problems Lack of Consistency No IT Support Data and definition revisions Output to tables and charts Year to year comparison are cumbersome Supporting questions and teaching the world No IT Support VBA hack

DCWG Support Process Improvement Helpful tools or applications? Any suggestions?