Integration of Solar Photovoltaic Plant in the Eastern Sumba Microgrid Using Unit Commitment Optimization

Ignatius Rendroyoko (), Ngapuli I. Sinisuka, Vincent Debusschere, Deddy P. Koesrindartoto and Muhammad Yasirroni
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Ignatius Rendroyoko: School of Electrical Engineering and Informatics, Institute Technology of Bandung, Bandung 40132, Indonesia
Ngapuli I. Sinisuka: School of Electrical Engineering and Informatics, Institute Technology of Bandung, Bandung 40132, Indonesia
Vincent Debusschere: Grenoble Electrical Engineering, G2Elab, Université Grenoble Alpes, 38000 Grenoble, France
Deddy P. Koesrindartoto: School of Business and Management, Institute Technology of Bandung, Bandung 40132, Indonesia
Muhammad Yasirroni: Department of Electrical Engineering and Information Technology, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia

Sustainability, 2023, vol. 16, issue 1, 1-18

Abstract: Integrating renewable energy sources (RES) into island microgrids is usually done to provide a cost-effective electricity supply. The integration process is carried out by scheduling generating unit operations with a unit commitment (UC) scheme to ensure low system operating costs. This article discusses developing a UC optimization method for integrating solar photovoltaic plants in Indonesia’s Eastern Sumba microgrid power system. The scope of this study is the optimization algorithm of the UC, which consists of a priority list (PL) for the UC stage and an economic dispatch (ED) that relies on a genetic algorithm (GA) to minimize total operating costs (TOC). The results show that the PL-GA algorithm performs better than the extended priority list (EPL), and combinations of genetic algorithm and Lagrange, by applying continuous problem dispatch and improved binary GA hourly dispatch to meet ramping constraints. The application of RES incentive programs, such as carbon taxes and incentives for RES generation in calculating the TOC, shows an improvement in the financial feasibility analysis of the internal rate of return (IRR) and net present value (NPV) of actual projects in Indonesia.

Keywords: integration of photovoltaic plant; unit commitment; optimization algorithm; priority list; genetic algorithm; financial feasibility (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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