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Abstract
Solar energy is one of the greatest attractions among the renewable energy re-sources used for electrification. Harnessing solar energy needs photovoltaic (PV) system that converts light energy from sun into direct electricity. Photovoltaic systems can be installed at any place where sufficient energy potentials are avail-able. The major challenge in the PV systems is to study its performance as it is varying with respect to various parameters and system components functioning. Hence real time monitoring system is needed to assess its performance. This study briefs about the use of internet of things (IoT) in performance monitoring and real time control of PV systems. Focus is made on the IoT need and its architecture for PV systems with relevant discussions. Use of IoT enhances the understanding over the real time operating parameters. This helps in accessing the control over the PV systems installed at remote areas, effective and fast fault diagnosis, maintenance, recording generation and performance data for analysis.