Nattapon Rongsriyam Keywords PPA management power system operation hydro generation planning energy planning Read more about Nattapon Rongsriyam Operation division, Electricity Generating Authority of Thailand (EGAT). His current position is Head, Medium-term Generation Operation Planning Section. As an electrical engineer at EGAT for more than 15 years, he has been working and has experience in the field of PPA management, power system operation, and hydro generation planning of Thailand’s power system. He holds MSc and BSc in Electrical Engineering from Chulalongkorn University and holds MBA from SASIN.