Departmental Bulletin Paper Biomass Supply Chain for Renewable Heat Incentive in Thailand

LIMWITTAYAKORN, Teeramaethin  ,  WONGSAPAI, Wongkot

Thailand has the Renewable and Alternative Energy Development Plan for 25 percent in 10 years to identify the framework and direction of Thailand renewable energy development. That consist of 3 main sectors as follows, i.e. (i) renewable for power generation, (ii) renewable heat, and (iii) biofuel. This paper choose to study heat sector. Because the actual renewable heat used did not reach the target. To consider the RHI should be analyzed the whole supply chain because each step of the chain has an impact to cost to calculate the appropriate financial support. The study case of 50 kW power plant using biomass gasification technology is carried out. This research has been done by using Chiang Mai University – Sri Bua Ban located in Lumphun province as a sample model. In this case, the selected biomass is eucalyptus which is enormously planted around the province. The result found that the LCC of the supply chain is 0.46 Baht/MJ or 5 Baht/kg of pellet includes harvesting of 39%, transportation 54%, pretreatment 7%. Because energy conversion process requires just a few costs to change the system, this cost does not include in LCC. Therefore, by the economic calculation, the RHI is about 0.02 baht/MJ or 0.22 baht/kg of wood pellet.
特集 : The Papers Presented at the Symposium on Mechanical Engineering, Industrial Engineering, and Robotics 2015 (MIER2015) held at Muroran, Hokkaido, Japan on 29 - 30 May 2015

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