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Journal : International Journal of Science, Engineering and Information Technology

Design of an Off – Grid Solar Power System for the Shashi Baby and Kids Food Industry in Bukittinggi Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia; Dodi, Nofri
International Journal of Science, Engineering, and Information Technology Vol 8, No 2 (2024): IJSEIT Volume 08 Issue 02 31 July 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v8i2.27181

Abstract

The transition to renewable energy is increasingly important in addressing global energy demands and environmental issues. Solar energy has emerged as a sustainable option, particularly for small and micro businesses that often face challenges related to energy supply and costs. Shashi Baby and Kids Food, a micro – enterprise producing baby food, can benefit from an off – grid solar power system to support its operational needs, especially lighting during the night. The system design involves analyzing energy requirements, selecting solar panels, batteries, inverters, and simulating the system using PVsyst software to optimize performance. This system is designed to support operations with nine lamps for 12 hours a day, generating sufficient energy and ensuring adequate storage. Simulation results show that the system has a performance ratio (PR) of 75.86% and a solar fraction (SF) of 99.82%, indicating high efficiency and nearly fully meeting energy needs through solar power. Although there is a slight decrease in SF in December, this system design has proven to be efficient and reliable in supporting business operations. Further analysis reveals that the annual energy production reaches 1451 kWh, with specific production of 1210 kWh per kWp, confirming that this system can generate significant energy for the operational needs of the business.
Technical Performance Analysis of a 1 MWp Grid-Connected Photovoltaic System in Pangkalan Kerinci, Indonesia Using PVsyst Simulation Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia; Afrianti, Rien; Dodi, Nofri
International Journal of Science, Engineering, and Information Technology Vol 10, No 1 (2025): IJSEIT volume 10 Issue 1 December 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v10i1.32479

Abstract

The increasing demand for clean energy in Indonesia has accelerated the deployment of grid-connected photovoltaic (PV) systems. This study presents a technical performance analysis of a 1 MWp grid-connected PV system located in Pangkalan Kerinci, Indonesia, using the PVsyst v7.4.6 simulation software. The system comprises 1818 Trina Solar TSM-DE19-550Wp modules mounted on a fixed-tilt structure (2.2° tilt, 180° azimuth) with two SMA Sunny Central 400 MV-11 inverters (DC/AC ratio = 1.25). Meteorological data from Meteonorm 8.1 (1996–2015) was used to simulate annual irradiation and system output. The results show an annual energy production of 1,404,124 kWh, corresponding to a specific yield of 1,404 kWh/kWp/year. The Performance Ratio (PR) reached 82.75%, indicating high system efficiency under tropical climatic conditions. Loss analysis revealed that thermal losses (9.36%) and IAM losses (2.58%) were the dominant factors, while inverter losses accounted for 2.86%. Module mismatch and wiring losses were minimal at 2.15% and 1.5%, respectively. The high PR and low degradation assumptions confirm the suitability of the selected configuration for equatorial regions. This study provides a robust technical benchmark for similar PV installations in Sumatra and supports optimal design decisions for future utility-scale solar projects in Indonesia.
Performance Evaluation of a 250 Wp Solar Photovoltaic Water Pumping System in Tropical Climate: A Case Study in Pangkalan Kerinci, Indonesia Afrianti, Rien; Laksono, Dedi Tri; Laksono, Deni Tri; Fahmi, Monika Faswia
International Journal of Science, Engineering, and Information Technology Vol 10, No 1 (2025): IJSEIT volume 10 Issue 1 December 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/ijseit.v10i1.32508

Abstract

Access to clean water in remote tropical regions remains a critical challenge, particularly where grid electricity is unavailable. Solar photovoltaic (PV) water pumping systems offer a sustainable, off-grid solution. This study evaluates the technical performance of a 250 Wp PV-powered deep well water pumping system installed in Pangkalan Kerinci, Indonesia (0.41°N, 101.85°E). The system employs a single Trina Solar TSM-310PD14 module connected to a Sun Pumps SDS-D-128 DC membrane pump via an MPPT controller. Using PVSyst v7.4.6, a one-year simulation was conducted under realistic meteorological and hydraulic conditions, including a static water table at 4 m depth and a daily water demand of 0.30 m³. Results indicate that the system reliably meets annual water needs (109 m³/year) with negligible water deficit (0.163 m³, or 0.15%). The annual specific water yield is 522 m³/kWp/bar, while the system operates at an overall efficiency of 4.3% and a pump efficiency of 16.7%. Energy analysis shows 15.5 kWh/year delivered to the pump, with 42.6 kWh/year of excess solar energy unused due to tank capacity limits. The performance ratio (PR) is approximately 87%, confirming high system reliability in equatorial conditions. This study demonstrates the technical viability of small-scale solar pumping for rural water supply in Indonesia.