SPP Presentation

Recommendation Status Update Ty Mitchell Entergy Stakeholders Meeting August 22, 2006 Houston, TX

 SPP reviewed Software bug that caused the August 19, 2005 reservation issue.  SPP was satisfied that problem was resolved and will not occur in future.  No further recommendations 1. Revisit Software Patch

 First update for the AFC manual Includes:  Operating, Planning, and Study Horizon modeling assumptions stated in the AFC Audit report.  Base flow assumptions for modeling inputs  Explanation for the differences between the OASIS outage postings and the outages found in the posted models.  AFC Manual Updates will be an on going process. 2. Assumptions for the AFC Manual

 AREVA updates to insure correct processing of TSRs  Manual QC check is currently being used  Updates received 7/14/06 for implementation by 8/1/06  During testing problems were found delaying implementation  Entergy is waiting for AREVA’s review and date for receiving fix 3. Further Automation of the TSR Process

 Entergy has converted from HRM, used for trouble shooting tickets, to Remedy, a true change management software.  Remedy:  Has role based access allowing authorized users to approve/deny work request.  Provides a more controlled environment with proper electronic approvals and task sequencing 4. QC Process Enhancements with Remedy

5. Data Exchange with 1 st Tier Areas  Processes and enhancement updates to processes for the exchange of data with neighboring entities and coordination with first tier control areas

6. Base Case Overloads  Base case overloads have not been addressed due to the LPSC docket on base case overloads.  Offline action item to determine the time requirement for an engineer to run a redispatch on a monthly model to alleviate base case overloads.  Powerworld optimal powerflow analysis tool to run a redispatch.  Inserted Gen date such as cost and heat rate info.  Setup flowgates  DC Approximation to solve  Analysis did not alleviate all base case overloads

7. Last Good Solution Method  Entergy has performed a proof of concept of design for new enhancements and rules and presented it to the Stakeholders.  Entergy also developed a functional design document to implement an application to monitor and notify the Powerflow solution of RFCALC.  The work on the application has been delayed due to the lead developer along with several other developers leaving the company.  Entergy is working on resources and will provide an assessment on expected implementation.

8. OASIS Posting Enhancements  Subsystem files coincident to operating/planning horizons models  Outage postings.  Newly proposed additions to the list:  Dating Participation Factor files for tracking purposes  Posting of a translation table that matches all names and IDs in models.

9. Over Generation  Has not been an issue  Input?

10. Negative Generation  Long term resolution  Entergy working on final design document for AREVA  Need input from all Stakeholders  Written comments needed  Short term resolution  New developments will be discussed as one of the main meeting topics on todays agenda