1. Interchange Distribution Calculator Working Group (IDCWG) Update Jim Busbin IDCWG Chairman NAESB WEQ BPS Meeting Minneapolis, Minnesota November 10-11, 2010

2. IDCWG Update GTL Calculation Testing GTL Data Submission Change Order 283 Status

3. IDCWG Update GTL Calculation Testing

4. IDCWG Update GTL Calculation Testing – Calculation Testing Sessions: Test Plans Developed For GTL Calcs Prior To Test Sessions October 5-7, 2010 in Minneapolis, MN (OATI) October 11-15, 2010 in Minneapolis, MN (OATI) Remote Testing Performed As Needed Results: No Outstanding Variances Functional Testing Completed CO-283 Developed As Specified

5. IDCWG Update GTL Data Submission

6. IDCWG Update GTL Data Submission – General Categories Of Data: Generator MWs Load Zone MWs Branch Flows Tie Flows Phase Shifter (PAR) Taps Variable Frequency Transformer (VFT) DC Lines Dynamic Schedules Source Granularity Sink Granularity EMS\PSSE Mapping Generator Block Load Dispatch

7. IDCWG Update GTL Data Submission – Full Data Load Submission: Data Not Yet Being Submitted At Full Load Rate Issues With Data Mapping and Data Validity Remain Interconnection Participants Expect To Get To Full Load Submission By Mid-December OATI Will Address Implementation Issues As They Arise

8. IDCWG Update Change Order 283 Status

9. IDCWG Update Change Order 283 Status – IDCWG Approved CO-283 As Implemented On November 1 Data Submission Testing Will Continue For Participants Developmental IDC Will Remain On Developmental Hardware Once Full Load Submission Is Achieved, Developmental IDC Will Be Moved To Production Hardware To Be Operated In Parallel With Existing Production IDC

10. IDCWG Update