Longi Solar

At a Glance


Energy or Utility

Project Types

Clean and Renewable Energy, Data Analysis, Sustainability and Energy Management Strategy




Xi'an, Shaanxi


Yuanzheng Zhang collaborated with Longi to assess the market potential of rooftop distributed photovoltaics in China, as well as its multi-dimensional impacts.


LONGi, a globally renowned solar technology company, engaged Climate Corps fellow Yuanzheng Zhang to evaluate the potential for developing rooftop distributed photovoltaics in China. This assessment aims to elucidate the market capacity of rooftop distributed photovoltaics, the challenges posed by their integration into the rural electrification process, as well as the financial benefits and synergistic effects of reducing carbon dioxide and air pollutants.


Yuanzheng Zhang addressed this challenge through five interconnected steps:

  1. Based on reviewing numerous academic papers and industry reports, he established the technical approach and data requirements.
  2. He communicated with Longi's distributed team to finalize detailed parameters.
  3. He estimated the potential installed capacity and power generation potential of rooftop distributed photovoltaics.
  4. He analyzed the challenges of integrating distributed photovoltaics into rural power grids.
  5. Over a 25-year period, he estimated the returns of rooftop distributed photovoltaics and the synergistic reduction effects on carbon dioxide and air pollutants.

In addition, Yuanzheng Zhang assisted Longi in completing the 2023 CDP questionnaire and conducted carbon accounting for a factory.

Potential Impact

In recent years, rooftop-distributed photovoltaics have experienced rapid development in China. However, their market potential, especially in rural areas on a national scale, remains unclear. Yuanzheng Zhang's work has provided the Longi distributed business team with accurate and systematic foundational data. This encompasses from the theoretical upper limit of installed capacity to power generation potential, pollution and carbon reduction capabilities, and ultimately to end-user benefits and environmental climate effects.

The conclusions derived from this endeavor provide significant guidance for the strategic development and marketing of distributed business operations. 

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