摘要：The energy industry is considered one of the important sectors for national economic development—especially the electricity generation industry then Thailand has developed a power development plan as the nation roadmap to ensure power security and reliability of the electricity system. In this study, we focus on the electricity generation industry and examine the impacts resulting from the changing composition of power generation type compare between Thailand’s Power Development Plan year 2015 and the year 2018. The scenario case 1 assuming that the electricity generation is generated from 37% of Natural Gas, 23% of Coal, and 50% other. When the changing fuel proportion by increasing Gas-fired power plant to 53% and decrease Coal-fired power plant and other to 12%, 35% accordingly in scenario case 2. As a result, Power Development Plan year 2018 is increase more the total output of the Thai economy than the Plan year 2015 cause to significantly benefit of the economy.
