Kalkulasi Daya PLTS Untuk Sumber Energi IoT di Danau Laguna Ternate

Andi Muhammad Ilyas; Agus Siswanto; Faris Sayamsuddin

doi:10.47685/mestro.v7i02.756

Andi Muhammad Ilyas Program Studi Teknik Elektro, Fakultas Teknik, Universitas Khairun, Ternate, Maluku Utara, INDONESIA
Agus Siswanto Program Studi Teknik Elektro, Fakultas Teknik, Universitas 17 Agustus 1945 Cirebon, Jawa Barat, INDONESIA
Faris Sayamsuddin Program Studi Teknik Elektro, Fakultas Teknik, Universitas Khairun, Ternate, Maluku Utara, INDONESIA

DOI: https://doi.org/10.47685/mestro.v7i02.756

Keywords: Calculation of solar power plants, IoT, off-grid systems

Abstract

This study aims to design a solar photovoltaic (PV) power system as an independent energy source for an Internet of Things (IoT) device used to monitor water quality in Laguna Lake, Ternate. The absence of electrical infrastructure at the site necessitates a reliable and efficient off-grid PV system capable of continuous operation. The energy demand was calculated based on the operational characteristics of the IoT device, including a sampling interval of 15 minutes, resulting in 96 data acquisitions per day. The analysis shows that the total daily energy consumption of the device is 6.85 Wh/day. To ensure three days of autonomous operation in the absence of sunlight, the required stored energy increases to 20.55 Wh, equivalent to 2.14 Ah for a 12 V battery system. The theoretical minimum PV capacity needed to meet this demand is 2.03 W; however, such a size is insufficient for real field conditions due to variations in solar irradiance, potential shading, panel degradation, and the need for long-term operational reliability. Therefore, this study recommends using a 100 W solar panel as a more robust and practical configuration. The outcomes of this research provide a technical foundation for implementing renewable-energy-powered IoT monitoring systems in remote locations without permanent electrical access.