1. March 4, 2008 TPTF Texas Nodal Market Implementation EMS CIM Importer update David Hackett, EMS PM

2. 2 2 Texas Nodal Program UpdateMarch 4, 2008 EMS CIM Importer has been designed to convert NMMS CIM files to EMS Savecases Iterative development approach and cross-vendor coordination have helped in making progress

3. 3 3 Texas Nodal Program UpdateMarch 4, 2008 Significant progress has been made with known challenges CIM File Importer CIM Based Data Repository Model Workspace Netmom Tables Netmom Exporter SCADAmom Tables SCADAmom Exporter Genmom Tables Genmom Exporter Dynlimmom Tables Dynlimmom Exporter ICCPmom Tables ICCPmom Exporter RASmom Tables RASmom Exporter CTGSmom Tables CTGSmom Exporter Graphic Modeler User Interface FunctioningIn development Issues / Challenges  E-terra Source product was release on 3/3/08, achieve early start using a pre-release, not field proven  Generation component – schedule risk due to late start and staffing, currently staff  Multiple vendor Integration (NMMS-EMS), new and large data integration effort

4. 4 4 Texas Nodal Program UpdateMarch 4, 2008 Confident in delivering the CIM importer by 4/25