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<p>With increasing energy demand, solar plants are seen as a potential alternative for meeting peak loads in the industrial and infrastructure sectors. The present work elaborates on a 500 kWp on-grid rooftop solar photo-voltaic (PV) power plant (OGRTS) installed in Jamshedpur city, in the state of Jharkhand, India. Methodologies and tools used for optimal plant design are discussed, with reference to site-specific conditions. Technical and commercial analysis carried out with PVSYST©V6.63 predicts an annual effective energy output of 652.79 MWh and a net annual apparent energy of 621.76 MWh. Plant performance ratio, capacity factor, and parameter losses are predicted and compared with the real-time data to validate the design predictions. The average annual plant performance ratio, capacity factor, and parameter losses are found to be 71%, 11%, and 23%, respectively. The cradle-to-gate life cycle impact assessment of the system is conducted by considering the annual generation yield. In the Indian context, impact parameters are found to be ADP fossil 2.34 × 10<sup>5</sup> MJ, AP 81.4 kg SO<sub>2</sub> eq. and GWP 2.04 × 10<sup>4</sup> kg CO<sub>2</sub> eq., HTP 1.48 × 10<sup>4</sup> kg DCB eq., MAETP 7.38 × 10<sup>6</sup> kg DCB eq., based on the PV plant performance indices. Compared with power generation from hard coal and grid mix, this plant shows superiority in reducing the impact on the environment. The energy cost from this plant is Rs 4.44/kWh, compared to Rs 12.50/kWh from the local grid. With a focus on commercial viability and associated environmental sustainability, the present study encourages the adoption of on-grid PV plant installations across the industry and supports future energy policy formulation.</p>

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Comprehensive design for feasibility analysis and life cycle assessment of a grid-connected solar PV system

  • 期刊论文

  • 发表日期：

    2026年3月26日

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  • Modalavalasa Udaya Bhaskara Rao,
  • K Gopala Krishna,
  • ROHIT B MESHRAM,
  • SMRITI SINGH,
  • R K SAKET

摘要

With increasing energy demand, solar plants are seen as a potential alternative for meeting peak loads in the industrial and infrastructure sectors. The present work elaborates on a 500 kWp on-grid rooftop solar photo-voltaic (PV) power plant (OGRTS) installed in Jamshedpur city, in the state of Jharkhand, India. Methodologies and tools used for optimal plant design are discussed, with reference to site-specific conditions. Technical and commercial analysis carried out with PVSYST©V6.63 predicts an annual effective energy output of 652.79 MWh and a net annual apparent energy of 621.76 MWh. Plant performance ratio, capacity factor, and parameter losses are predicted and compared with the real-time data to validate the design predictions. The average annual plant performance ratio, capacity factor, and parameter losses are found to be 71%, 11%, and 23%, respectively. The cradle-to-gate life cycle impact assessment of the system is conducted by considering the annual generation yield. In the Indian context, impact parameters are found to be ADP fossil 2.34 × 105 MJ, AP 81.4 kg SO2 eq. and GWP 2.04 × 104 kg CO2 eq., HTP 1.48 × 104 kg DCB eq., MAETP 7.38 × 106 kg DCB eq., based on the PV plant performance indices. Compared with power generation from hard coal and grid mix, this plant shows superiority in reducing the impact on the environment. The energy cost from this plant is Rs 4.44/kWh, compared to Rs 12.50/kWh from the local grid. With a focus on commercial viability and associated environmental sustainability, the present study encourages the adoption of on-grid PV plant installations across the industry and supports future energy policy formulation.