Potential of a Grid-Tied PV System: A Field Study in Hot and Sunny Climate Region

Suamir, I Nyoman and Temaja, I Wayan and Ardita, I Nengah (2022) Potential of a Grid-Tied PV System: A Field Study in Hot and Sunny Climate Region. In: Lecture Notes of Electrical Engineering. Recent Advances in Renewable Energy Systems, 876 . Springer Singapore, Singapore, pp. 53-60. ISBN 978-981-19-1580-2

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Abstract

The paper presents a study on a lab size of grid-tied PV system installed at Politeknik Negeri Bali southern region of Bali Island, Indonesia. The study includes potential of renewable energy generation, capacity factor, system efficiencies and environmental impact reduction. The PV system has a peak capacity 3.1 kW and is specified for maximum efficiency of 22.96%. Monthly electrical energy generation varied from 300 kWh to 499 kWh with average of 412 kWh and annual energy generation can reach 4.95 MWh. Annual utilization potential of the PV system stated as capacity factor can reach 38.7% in average. PV system efficiencies in a clear and sunny day varied from 11.2% to 19.7%. The efficiency comprises PV cell efficiency which can reach 21.8% and grid-inverter efficiency as high as 93.4%. The study also shows the investigated parameters yearly reach their highest value in August and the lowest in December. The PV system is also found to have a potential contribution on environmental impact reduction of about 4.12 tCO2e per year due to replacement of electricity generated from fossil fuel sources.

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