1. 1 Model Data Collection Meeting Announcement Entergy Transmission Planning Summit New Orleans, LA July 8, 2004

2. 2 Goals of Model Data Collection Meeting Ensure greater accuracy in long-term transmission system models Ensure consistency in load forecasting & data submittal –Entergy has proposed a standard format for load-serving entities to submit load and resource forecasts Provide a forum for transmission customers to provide updated information on their facilities (e.g., generator characteristics, plant load data) Provide a forum for Entergy to share with stakeholders its approach and philosophy in transmission system planning and modeling

3. 3 The meeting will cover: Proposed template for submitting load and resource forecasts Entergy’s modeling and transmission system planning philosophy Stakeholders’ concerns and issues regarding system modeling The meeting will NOT cover: Coordination of load and resource modeling with and for external systems –This process is addressed in Entergy’s participation in the VAST and VST study groups. Specific study results or models

4. 4 Tentative Timeline of Model Update Process OctoberEntergy hosts stakeholders meeting to obtain customer input and suggested changes to long-term power flow models Oct. – Dec.Entergy updates models and posts on OASIS Dec. – Feb.Stakeholders provide additional input, suggested revisions, or corrections Mar. – MayEntergy incorporates latest changes into models and coordinates model update with other SERC members via the Regional study groups

5. 5 When:October 26, 2004 9AM to Noon Where:New Orleans (exact location TBD) Participants: Load-Serving Entities within the Entergy Control Area

6. 6 Load & Resource Workbook Contact Information Demand – System Demand by Bus (Summer) Demand by Bus (Winter) Weather Normalization Capacity (Summer & Winter) Firm Resource Firm Transactions Non-Firm Resources Additional Information Draft Workbook Template Available on OASIS for Review & Comments http://oasis.e-terrasolutions.com/OASIS/EES/trans_planning_summit_summary.htm

7. 7 Contact Information

8. 8 Demand – System Summary Internal Demand Standby Demand Total Internal Demand Direct Control Load Management Interruptible Demand Net Internal Demand

9. 9 Demand by Bus (Summer & Winter) PSS/E Bus # Point of Delivery (Entergy Station Name) Point of Delivery (Customer Station Name) MW MVAr Power Factor

10. 10 Weather Normalization

11. 11 Capacity (Summer & Winter)

12. 12 Firm and Non-Firm Resources Generator Name PSS/E Bus # PSSE Bus Name PSSE Machine ID Jurisdiction Summer & Winter Pmax Pmin Qmax Qmin MW Output Owned Preferred Dispatch Order

13. 13 Firm Transactions OASIS # Customer Making Request Point of Receipt Point of Delivery Source Sink MW Requested MW Granted Service Begin End Status Seller Comments Renewal Deadline Renewal Comments