Interchange Distribution Calculator Working Group (IDCWG) Update NAESB BPS Yasser Bahbaz – IDCWG Chair May 17 th, 2012

IDCWG Update Meetings/Conference Calls IDC Change Order Updates GTL Update

Meetings/Conf Calls March, CO 283/GTL Workshop– Not a formal IDCWG meeting – Calculation Testing Conference Calls – April 4 th, April 13 th. May 16 – 17 th Atlanta GA (NERC) - BPS Joint Meeting August 15 th – 16 th (MISO, St Paul) October 16 th (8 – 5) – 17 th (8 – 12), Las Vegas (Customer Meeting)

Implemented CO 317: Michigan PAR Status Change Switch. CO 331: IDC Interface to NAESB Web Registry CO 333: Include MF and NNL on TLR Event History Display CO 338: Default Timing for TLR Levels 1 and 0 CO 340: Effective Date on Market Coordinated Flowgates CO 341: MISO and PJM ED6/7FN Transfer to IDC SDX CO 08: Remaining GUI Changes SDX CO 10: Change Filtering Options on Displays

Development/Testing CO 322: PFV Generation Priority Submissions Will be moved to development once a final methodology is reached at BPS. Will be revised as needed. CO 330: Authorization of OATI Use of IDC Data for DOE Studies CO 332: Changes to Manitoba EAR Tag in IDC Approved for implementation - June 1 st CO 336: Changes to IDC Factor Calculation Timing This will be moved for development if deemed need after an evaluation on the behavior of status changes is completed by IESO and MISO - Cancelled

Development/Testing CO 346: TLR Auto Acknowledgment IDC will be modified in such a way that each sink impacted Reliability Coordinator can set up to automatically acknowledge the TLR actions based on configurable time intervals after a new TLR instance CO 347: IDC TLR Data Request for New York Transmission Owners

DRAFT/Evaluation CO 326: PFV Metrics Maybe revised after a final methodology is reached at BPS. CO 328: Intra Hour Tag Curtailment IDCWG has proposed and approved for evaluation a different solution than previously drafted and evaluated.

IDCWG Update GTL Update

IDCWG Update Change Order 283 Status

IDCWG Update During the GTL Workshop, OATI went over the calculation methodology of CO 283. Certain calculation inconsistencies were identified and OATI is working on a fix. Several GUI enhancements were identified and will be worked on once the final methodology is reached and work is resumed on IDCWG and OATI end on the project.

IDCWG Update IDCWG is awaiting the whitepaper (methodology) to be made final, after which development of GTL Change Orders and the GTL application.

IDCWG Update