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Techno-economic assessment of a hybrid solar PV/syngas/battery power system for off-grid application: Long Pahangai-Indonesia case study

This paper presents the design of the hybrid renewable energy system (HRES) composed of photovoltaic, batteries, biomass gasifiers, and diesel generators to determine the optimal configuration of the system located in Long Pahangai, Indonesia. Long pahangai is one of the remote villages in Indonesia that has not enjoyed 24-hour electricity. This paper presents optimal modeling of the Hybrid Optimization Model for Electric Renewable (HOMER) to find the most cost-effective configurations for electricity requirement of 1.219,1 kWh/day primary load. The results suggest that a PV-Diesel-Gasifier-Battery system is the best optimal design for Long Pahangai in terms of cost of energy (COE) and Total Net Present Cost (TNPC). The sensitivity analysis also identifies the influence of diesel price, biomass price, biomass gasification ratio, substitution ratio, and minimum fossil fraction.