100KW Solar Power Generation at SPCOE&T: A Performance Analysis

Abstract

This study presents a comprehensive analysis of a 100kW grid-connected solar photovoltaic (PV) rooftop power generation station installed at Sharadchandra Pawar College of Engineering and Technology, Someshwarnagar, Baramati. The analysis focuses on evaluating the performance of the system, including energy yield, performance ratio, capacity utilization factor (CUF), and the impact of environmental factors such as solar irradiance and ambient temperature. The study investigates the system\'s efficiency in converting solar energy into electrical energy, assesses its reliability, and quantifies its contribution to reducing the college\'s reliance on grid electricity. The economic viability of the installation is also considered, examining the payback period and the long-term financial benefits. The findings provide valuable insights into the real-world performance of rooftop solar PV systems in the specific climatic conditions of Baramati, contributing to the understanding of solar energy potential in educational institutions. The results highlight the system\'s effectiveness in promoting sustainable energy practices and reducing carbon footprint.

Introduction

With the global energy demand rising and concerns about climate change growing, there's an urgent shift toward renewable energy sources like solar photovoltaic (PV) systems. In India, the rooftop solar sector is expanding rapidly, with educational institutions playing a pivotal role by reducing their carbon footprint and demonstrating sustainability practices.

Sharadchandra Pawar College of Engineering and Technology (SPCOET) in Baramati, Maharashtra, has installed a 100kW grid-connected rooftop solar power system as part of its sustainability initiative. The region’s high solar irradiance makes it ideal for solar installations.

This study aims to evaluate the performance and economic viability of SPCOET's solar PV system. Key objectives include analyzing:

• Energy yield, performance ratio (PR), and capacity utilization factor (CUF)

• Environmental influences such as solar irradiance and ambient temperature

• Economic aspects, including payback period and long-term benefits

Key Study Components:

1. Location and Site Survey

• Location: Someshwarnagar, Baramati, Pune district, Maharashtra

• Climate data analyzed includes solar irradiance, ambient temperature, humidity, rainfall, and wind speed

2. System Components

• PV Panels: WAAREE 545W Mono PERC panels

• Inverters: Two Growatt 80kW three-phase inverters

• DC and AC Distribution Boxes: Ensure safe and efficient electricity flow

• Net Meter: Measures energy consumed and exported to the grid

• Mounting Structure: Steel/aluminum frame anchored on concrete pedestals

3. Analytical Focus

• Technical Performance: Assessed through PR, CUF, and real-time energy data

• Environmental Impact: How climate conditions influence performance

• Economic Analysis: Evaluates installation cost, operational savings, and financial returns

• Educational Impact: Acts as a live model for students and encourages broader adoption of solar technology

4. Design and Infrastructure

• A detailed Single Line Diagram (SLD) illustrates the system's electrical configuration

Conclusion

A Sustainable Investment in Education and Energy Independence The implementation of a 100kW solar rooftop power generation station at Sharadchandra Pawar College of Engineering represents a significant stride towards sustainable energy practices and a reduced carbon footprint within the educational sector. Based on the PVsyst analysis, the project demonstrates a potential annual energy production of 135,951 kWh, translating to a specific production of 1313 kWh/kWp/year and a performance ratio (PR) of 86.0%. These figures underscore the viability and efficiency of the system, indicating a substantial contribution to the college\'s energy needs. The high specific production suggests that the system is optimally designed for the location\'s solar irradiation profile. The 86.0% performance ratio, while not reaching 100%, is commendable and reflects the inherent losses associated with real-world PV systems. These losses, as detailed in the PVsyst report, include factors such as module temperature effects, soiling, incident angle modifier (IAM) losses, light-induced degradation (LID), and other system-specific losses. The analysis of these losses is crucial for understanding the system\'s overall efficiency. Module temperature losses, accounting for 3.80%, highlight the importance of effective ventilation and module selection to mitigate temperature-related performance degradation. Soiling losses, at 3.00%, emphasize the need for regular cleaning and maintenance, particularly in environments with high dust or particulate matter. IAM losses, at 2.00%, are intrinsic to the angle of incidence of sunlight on the modules and can be minimized through optimal tilt and orientation. LID losses, at 1.00%, are typically observed in the initial stages of module operation and stabilize over time. The remaining system losses, at 3.65%, likely encompass factors such as wiring losses, inverter inefficiencies, and shading effects. The 100kW solar installation translates to a considerable reduction in the college\'s reliance on grid-supplied electricity, which often originates from fossil fuel-based power plants. This shift to solar energy aligns with the global imperative to transition towards cleaner and more sustainable energy sources. By generating its own electricity, the college not only reduces its carbon footprint but also mitigates the environmental impact associated with traditional power generation. Moreover, the solar installation offers significant economic advantages. The reduced electricity bills translate to substantial cost savings over the system\'s lifespan, freeing up financial resources that can be reinvested in educational infrastructure, research, and student development. The long-term economic benefits of solar energy are particularly pronounced in regions with abundant solar irradiation, such as the location of Sharadchandra Pawar College of Engineering. The project also serves as an invaluable educational tool for students. It provides a real-world, hands-on learning experience in renewable energy technologies, fostering a deeper understanding of solar PV systems and their applications. Students from various disciplines, including engineering, environmental science, and management, can benefit from studying the system\'s design, operation, and performance. This experiential learning can enhance their technical skills and prepare them for careers in the rapidly growing renewable energy sector. Furthermore, the implementation of the solar rooftop system enhances the college\'s reputation as an environmentally responsible institution. It demonstrates a commitment to sustainability and sets an example for other educational institutions and the broader community. This can attract environmentally conscious students, faculty, and partners, strengthening the college\'s standing as a leader in sustainable practices. The PVsyst report, while comprehensive, is based on simulated data and assumptions. The actual performance of the system may vary depending on factors such as weather conditions, panel degradation, and grid fluctuations. Therefore, continuous monitoring and performance evaluation are crucial to validate the simulation results and identify areas for improvement. In conclusion, the installation of the 100kW solar rooftop power generation station at Sharadchandra Pawar College of Engineering is a testament to the college\'s commitment to sustainability and innovation. It not only provides a reliable source of clean energy but also serves as an educational tool and a symbol of environmental stewardship. The project\'s success underscores the importance of investing in renewable energy technologies to create a more sustainable and resilient future. By embracing solar energy, the college is not only reducing its environmental impact but also empowering its students and contributing to a greener and more prosperous society. The college\'s initiative is a beacon of hope and a practical demonstration of how educational institutions can lead the way in adopting sustainable energy practices. The project\'s long-term benefits, both economic and environmental, are undeniable, making it a wise and forward-thinking investment. As the world continues to grapple with the challenges of climate change and energy security, such initiatives are crucial in driving the transition towards a sustainable energy future. The Sharadchandra Pawar College of Engineering\'s endeavor stands as a significant milestone in this journey, illustrating the power of renewable energy in transforming educational institutions into models of sustainability and progress.

Copyright

Copyright © 2025 Jagtap Sayali, Holkar Shivaji, Shinde Tejal, Borawake Pratiksha, Prof: Gadhave G. G.. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.