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Artit Teeprueksa. Feasibility study of electrical production from renewable energy with electrochemical hybrid-energy storage system: A Case study of Mae Moh Training Center Building, Electricity Generating Authority of Thailand. Master's Degree(Mechanical Engineering). Chiang Mai University. Library. : Chiang Mai University, 2025.
Feasibility study of electrical production from renewable energy with electrochemical hybrid-energy storage system: A Case study of Mae Moh Training Center Building, Electricity Generating Authority of Thailand
Abstract:
The global transition toward sustainable energy systems is driven by two principal factors: the reduction of greenhouse gas emissions and the need to ensure energy security in order to meet the continuously growing demand resulting from economic and social expansion. Conventional fossil fuels, including coal, oil, and natural gas, still account for a large share of electricity generation. However, their environmental impacts and resource limitations necessitate the urgent adoption of cleaner and more environmentally friendly alternatives. Major renewable resources such as solar and wind, however, still face the challenge of intermittency, which affects the stability and reliability of power systems.The Hybrid Renewable Energy System (RES) has therefore emerged as an important approach to overcoming these limitations by integrating multiple power generation technologies with energy storage systems to ensure a stable electricity supply and improved power quality. Electrochemical energy storage technologiesincluding batteries, electrolyzers, hydrogen storage tanks, and fuel cellsplay a critical role in this integration. Batteries are highly effective in responding to short-term load fluctuations, while hydrogen-based storage is suitable for long-term energy management. The combination of these technologies can enhance cost-effectiveness, flexibility, and long-term sustainability.The Electricity Generating Authority of Thailand (EGAT) has implemented a 10 kW demonstration system at the Mae Moh Training Center. This system integrates solar PV panels, batteries, hydrogen production and storage, and a Proton Exchange Membrane Fuel Cell (PEMFC) to evaluate the feasibility of continuous electricity supply and to assess economic viability. In parallel, a comparative study was conducted on a small-scale Solid Oxide Fuel Cell (SOFC)battery hybrid system fueled by two sources: coal-derived syngas from the Mae Moh mine and biomethane from Juncao grass (Napier Grass). Additionally, a PEMFCElectrolyzerPV configuration was examined, which can directly produce high-purity hydrogen from solar power. The HOMER Pro software was employed to simulate and optimize system design as well as to evaluate economic performance using indicators such as Net Present Cost (NPC) and Levelized Cost of Energy (LCOE). Together, these two research approaches highlight the role of hybrid renewable energy systems in supporting Thailands clean energy transition. By combining real-world demonstration with techno-economic simulation, this work identifies optimal system configurations that improve energy efficiency, reduce lifecycle costs, and support EGATs vision of developing Near Zero Energy Buildings.