Ho Wai Shin , Haslenda Hashim
Decentralized power generation from renewable energy (RE) represents a significant transformation of the electricity industry especially to remote locations where grid connected is not viable. Out of the various RE, solar and wind had been identified to be the most promising RE to meet for future demands. However, due to the intermittency of these resources, back-up from other non-variable RE such as hydro and biomass or energy storage is essential to mainly the reliability of the system. This study is carried out to optimize the RE integrated electricity generation structure comprising of intermittent RE, non-variable RE and energy storage through the development of a MILP model. The technology selected for this study is solar power plant, biomass power plant, and bulk NaS battery system respectively. The model is then implemented in GAMS where the capacity of selected technologies, choice of RE for electricity generation, and scheduling of the designed system over a period of 24 hours was decided. The results shows that the required capacity of solar power plant is 1047 kW, biomass power plant is 403 kW and NaS battery of 691.94 kW. The total profit from this system over a life period of 25 years is $ 5,081,872.87.
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