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ถ่านหิ นกั บการผลิ ตไฟฟ้าในประเทศไทย 40 The Journal of the Royal Institute of Thailand Vol. 37 No. 4 Oct-Dec 2012 Abstract Coal and Electricity Generation in Thailand Suntud Sirianuntapiboon Department of Environmental Technology, School of Energy, Environment and Materials, King Mongkut’s University of Technology Thonburi Nutthanicha Trakarnjindanont Department of Environmental Technology, School of Energy, Environment and Materials, King Mongkut’s University of Technology Thonburi Piamsak Menasveta Fellow of the Academy of Science, The Royal Institute, Thailand Coal is one of important energy sources due to availability and comparatively low cost, and over 200 years of proven reserve. As such, coal has been an important choice to generate electricity in many countries. Nevertheless, coal also causes envi- ronmental problems, especially higher CO 2 emission when compared with natural gas and petroleum. To solve the above problems, the clean coal technology was applied. Moreover, confidence and acceptance of stakeholders for the electricity generated from coal was an important factor. In the past, emission from Mae Moh lignite power plant resulted in reducing the confidence of communities and society. Therefore, the stakeholders consisting of government electricity generating authorities, NGOs, academicians and communities should cooperate in solving the problems by using participatory approach and technology that are sound and without bias. Keywords: Power plant, Mae Moh power plant, Coal, Clear coal technology