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Photovoltaic panels play a vital role in expanding renewable energy usage and mitigating environmental impacts. Ensuring the efficient integration of PV panels in diverse regions worldwide relies on precise calculations, considering factors like sunlight variability, climatic conditions, and grid connectivity. This study evaluates the performance of amorphous silicon (a-Si), polycrystalline silicon (pc-Si), and monocrystalline silicon (mc-Si) solar panels in the West Black Sea's Düzce province, Turkey. The respective capacities of these panels are 2.4 kW, 2.64 kW, and 2.35 kW. Over 6 years (2014–2019), we collected detailed data, including temperature, irradiance, wind speed, and power outputs, totaling 7.39 kW. We calculated the performance ratio, power conversion efficiency, and degradation rate for a-Si, pc-Si, and mc-Si panels under varying environmental conditions. The findings showed that a-Si panels had a PR of 71.391%, pc-Si panels scored 75.394%, and mc-Si panels excelled with a PR of 85.113%. The annual average DR relative to PR was − 0.577%/year, − 0.583%/year, and − 0.582%/year, respectively. PCE over the 6-year period was 4.519% for a-Si panels, while pc-Si and mc-Si panels achieved 10.478% and 12.736%. Six-year experimental study conducted in real-world conditions provides highly reliable data valuable to PV panel stakeholders and offers robust insights, particularly regarding region-specific panel selection. The results indicate monocrystalline silicon (mc-Si) as the most suitable PV panel type for Düzce, affirming its potential in the West Black Sea Region. [ABSTRACT FROM AUTHOR]

This study modeled monocrystalline (mono-Si), polycrystalline (poly-Si), and amorphous silicon (a-Si) Photovoltaic (PV) systems with a 300 kWp installed power using PVsyst software in Konya province, Turkey. The system's electricity generation was calculated and compared with different PV technologies. In addition, an economic analysis for a 25 year lifespan was made with the obtained data. The annual global horizontal radiation (GI) and effective global irradiation (GE) are found to be 2001.7 kWh/m² and 1949.6 kWh/m², respectively. The highest yearly total electricity production was obtained from mono-Si, with a value of 513.91 MWh. This value is 1.91% and 3.07% higher than poly-Si and a-Si, respectively. Since the Performance Ratio (PR) values are proportional to the generated electricity and incoming irradiation to the surface of the PV panels, it calculated 0.853, 0.847, and 0.830 for mono-Si, poly-Si, and a-Si, respectively. According to the basic payback method, the economic analysis showed that mono-Si and poly-Si pay off in about 5.8-5.9 years, while a-Si pays off in 9,1 years. A net profit of $1.5 million, $1.45 million, and $1.1 million was obtained from mono-Si, poly-Si, and a-Si, respectively. It was concluded that the ratio of income values to investment cost was 253%, 244.77%, and 126.6%, respectively. Therefore, it was concluded that mono-Si and poly-Si are economically quite feasible for small and medium-scale PV systems, but a-Si is still not feasible due to lower efficiency and higher costs. [ABSTRACT FROM AUTHOR]

Highlights: [•] The first and the largest BIPV of Turkey were installed. [•] Single and triple junction amorphous module performances in BIPV applications are analyzed. [•] Total generated electricity of the BIPV system is measured as 103,702kWh for 36months of operation. [•] Annual energy rating is calculated as 856kWh/kWp for a non-optimally oriented plant. [•] The PR of the system is found 0.74 and 0.81 for PV systems on towers and facade respectively. [ABSTRACT FROM AUTHOR]