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Photovoltaic panels boost fish industry

Updated : 2025-04-24

The Guohua (Tianjin) New Energy's 100MW Fishery-Photovoltaic Complementary Project in the town of Daqiuzhuang, in Tiianjin's Jinghai district, achieved full capacity grid-connected power generation on April 14.

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The fishery-photovoltaic complementary solar power generation system

In this project, a fishery-photovoltaic complementary solar power generation system has been built using fish ponds, covering an area of approximately 2,257 mu for a total investment of 527 million yuan ($72.23 million). It is a key construction project in Tianjin and also the first photovoltaic project of Guohua Investment Tianjin Branch.

The term "fishery-photovoltaic complementary" refers to a model that combines aquaculture with photovoltaic power generation. It involves installing solar panel arrays above the water´s surface in fish ponds, creating an ecological cycle for "generating electricity on the panels and cultivating fish below them". This approach not only increases land use efficiency but also provides clean and sustainable energy support for the local economy.

After the full capacity of the project is connected to the grid and starts generating electricity, it is expected to produce approximately 169 million kWh of electricity annually. This amount can meet the annual power consumption needs of around 250,000 residents. In addition, it is expected to save approximately 67,600 tons of standard coal per year and reduce carbon dioxide emissions by about 168,500 tons.