1. Singleton Project New 8-ine breaker-and-a-half 345-kV station. Increase North-Houston limit by approximately 700 MW. Increase switching flexibility and shorten line lengths. Construction Outages started Spring 08 Remaining Outages to energize station are planned for 3/4/2009 to 4/21/2009

2. Singleton Current Configuration (line model)

3. Singleton Outages: Jewett-THW GC - RP

4. Singleton Outages: GC – Singleton Jewett – Singleton Completed: Singleton-THW

5. Singleton Completed: GC – Singleton Jewett – Singleton THW - Singleton

6. Singleton Completed: GC – Singleton Jewett – Singleton THW – Singleton Outages: Jewett – Tombal

7. Singleton Completed: GC – Singleton Jewett – Singleton THW – Singleton Jewett -Singleton Tombal – Singleton RP - Singleton

8. Singleton Completed: GC – Singleton Jewett – Singleton THW – Singleton Jewett -Singleton Tombal – Singleton Outages: GC - Obrien

9. Singleton Completed: GC – Singleton Jewett – Singleton THW – Singleton Jewett -Singleton Tombal – Singleton Outages: GC - Obrien

10. Singleton Mid-April 2009 Final Configuration (line model)