Abstract
In order to encourage the eco-friendly technologies in transportation sector, the reliance on fuel need to be reduced and the use of renewable energy (RE) technology as energy source are widely explored by researchers. Thus, this study focus on the feasibility of developing grid-connected renewable energy electric boat charging station for the fishermen in Terengganu using simulation-based method by HOMER software. Five year solar radiation and wind speed data were collected at Universiti Sultan Zainal Abidin (UNISZA) weather station. For load profile, the information about fishing activities and the amount of subsidy spent by the government were obtained from the interview session with the fishermen and validated with Lembaga Kemajuan Ikan Malaysia (LKIM). The results acquired are compared between grid-only and grid-connected RE systems in term of net present cost (NPC), operational cost and payback period. A sensitivity analysis is done to find the minimal Feed-in Tariff (FiT) rate that can be implemented in order to encourage the use of RE system in this sector. Then, the relationship between FiT and NPC, payback period and emission of pollutants are analyzed. At current FiT rates RM 0.813/kWh, hybrid grid-PV system manages to achieve its optimal in generating high income from selling the power to the grid with convincing amount of electricity production and short payback period. It is concluded at minimum RM 0.56/kWh of FiT, the grid-connected RE system is possible to be developed because its performance shows better outcome compared to the grid-only system.
Highlights
The heavy dependency on fuels by conventional boat (CB) to generate the motor normally affecting the water ecosystem [1]
A few analyses on grid-connected renewable energy (RE) hybrid system in term of economic feasibility are carried out based on net present cost (NPC), operating cost and payback period from optimization results obtained in HOMER
All possible configurations of components are obtained from optimization result in HOMER
Summary
The heavy dependency on fuels by conventional boat (CB) to generate the motor normally affecting the water ecosystem [1]. The encouragement to use renewable energy (RE) in operating grid-connected charging station need to be proposed to control the dependency on grid [7]. New targets and goals constantly introduced to improve the quality control and energy management in Malaysia Regarding to this effort, government introduced Feed-in Tariff (FiT) scheme which the implementation is managed by SEDA in 10MP where the RE system installation is accessed to the TNB’s grid and setting a favorable price per unit of RE sold [11, 15, 16]. This paper is an extension of the proceeding “Feasibility Study of Optimization and Economic Analysis for Grid-connected Renewable Energy Electric Boat Charging Station in Kuala Terengganu” [20]. Since the FiT rates keep decreasing every year, the sensitivity analysis is done to find the minimal FiT rates for the proposed system in gaining profitable revenue in RE technologies
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