National Workshop with distinguished International Experts had been held successfully in Jakarta Mei 19- 20, 2005. This was one of the implementation of our Out-Reach Program that the Indonesian National Committee - World Energy Council (KNI-WEC) has organized regularly for National Members, Corporate Members, Stakeholders as well as Energy Society in Indonesia. Particulary on this excellent event, the workshop was attended by Operation Managers, High Level Engineers and Operators, Generation Specialists of PT PLN (Persero) as well as from Private Companies.