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Cesrany, Mahaldika
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Hybrid renewable energy for cold chain in Indonesia: technical and economic evaluation Nugraha, I Made Aditya; Desnanjaya, I Gusti Made Ngurah; Khairunnisa, Anis; Cesrany, Mahaldika
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 17, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v17.i1.pp674-682

Abstract

Cold storage plays a crucial role in preserving temperature-sensitive products, particularly in the fisheries and food sectors. However, its operation is highly energy-intensive and often constrained by unstable electricity supply in many Indonesian regions. This study quantitatively evaluates a hybrid renewable energy system integrating photovoltaic (PV) panels, diesel generators, batteries, and the utility grid to ensure sustainable cold storage operations. Using measured load profiles, solar irradiation data, and annual operating costs, the system achieved a 60% reduction in diesel fuel consumption, 30-50% lower CO₂ emissions, and annual savings exceeding IDR 100 million compared to conventional generator-based systems. The system demonstrated 83.5% overall efficiency, with a payback period of 4.4 years and a positive net present value (NPV), confirming its economic viability. The novelty of this research lies in presenting the first comprehensive techno-economic analysis of a PV-diesel-battery-grid hybrid system specifically designed for fisheries-based cold storage facilities in Indonesia, considering local solar potential and grid reliability. Despite its feasibility, implementation challenges remain, including a lack of skilled technicians, limited financial incentives, and bureaucratic constraints. To overcome this, the study recommends PV subsidies, low-interest green loans, and public–private partnerships aligned with Indonesia's energy transition roadmap and cold chain development goals.
STRENGTHENING COLD CHAIN MANAGEMENT IN THE TUNA LOIN INDUSTRY IN BALI: EFFORTS TO IMPROVE PRODUCT QUALITY AND COMPETITIVENESS Nugraha, I Made Aditya; Khairunnisa, Anis; Cesrany, Mahaldika
Jurnal Penelitian Perikanan Indonesia Vol 32, No 1 (2026): (Maret 2026)
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.32.1.2026.%p

Abstract

This study discusses the importance of implementing a cold chain system and optimizing cold storage to support the tuna loin processing process at PT. XYZ. The quality of fishery products, especially tuna, is greatly influenced by temperature stability during the post-harvest process to distribution. Uncontrolled temperature fluctuations can cause quality degradation, accelerate damage, and reduce the selling value of the product. The purpose of this study was to evaluate the effect of implementing a cold chain on the quality of tuna loin and its implications for competitiveness in the local and export markets. The methods used include temperature monitoring at each stage of the supply chain, organoleptic and microbiological quality testing, and comparative analysis of product competitiveness with and without a cold chain system. The results showed that consistent temperature control was able to maintain the freshness, texture, and safety of the product, as well as extend its shelf life. The implementation of an optimal cold chain system also contributes to increasing the economic value of the product and the company's ability to meet international export standards. Although technical challenges such as temperature fluctuations during distribution are still found, PT. XYZ shows a commitment to improving temperature monitoring infrastructure and technology. In conclusion, optimizing the cold chain and cold storage system is a key strategy in maintaining product quality, strengthening competitiveness, and improving the sustainability of the fish processing industry, especially in facing the demands of an increasingly competitive global market.
Co-Authors Anis Khairunnisa Bharata, Made Tisna Adhi DIAH AYU SATYARI UTAMI Febrianti, Desy Gunawan, Rosa Hendri I Gusti Ayu Budiadnyani I Gusti Made Ngurah Desnanjaya I Made Aditya Nugraha Ika Astiana Juniarta, I Nyoman Kurniawati, Made Devi Kusuma, Ni Kadek Sita Anyaniti Lailatussifa, RR Radipta Listyaningrum, Niken Prawesti Masrin, Putri Yuliana medal lintas perceka Murtiningsih, Ni Made Ayu Meylia Niken Prawesti Panjaitan, Fenny Crista A Panjaitan, Fenny Crista Anastasia Pradnyani, Ni Made Anggun Resti Nurmala Dewi Samanta, Pinky Natalia siluh putu sri dia utari Sumandiarsa, I Ketut Utari, Siluh Putu Sri Dia