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NWPP ADI Task Force

NWPP ADI Task Force. Status Report for Columbia Grid by Darrel VanCoevering September 17, 2007. ACE Data Access. In response to letter request all BA quickly agreed to provide their ACE data to the ADI Task Force.

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NWPP ADI Task Force

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  1. NWPP ADI Task Force Status Report for Columbia Grid by Darrel VanCoevering September 17, 2007

  2. ACE Data Access • In response to letter request all BA quickly agreed to provide their ACE data to the ADI Task Force. • Task Force now has 10 second ACE data for each BA for 1 week of each month in 2006. • One week of data is over 60,000 rows in an Excel spreadsheet.

  3. ACE Data Analysis • The volume of data makes analysis labor intensive and time consuming. • The first method to model is equal allocation. • Another method is proportional allocation. • There will probably be other ideas to test. • Within a method there are possible variations in calculating ACE adjustments.

  4. Preliminary Results • Sample of data run through equal allocation model. • Results not yet error checked or peer reviewed. • Measure is AVG(  ABS(ACE original)) - AVG(  ABS(ACE new)) • ABS(ACE) reduced from 20% to 33%.

  5. ADI Trial Status • First need to complete modeling and select method or methods of ACE sharing to try. • Analysis may be completed in September although this may be optimistic. • New agreements likely needed with Balancing Authorities for actual ADI trial.

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