The Acceleration of the Development of Floating PV Solutions

The Acceleration of the Development of Floating PV Solutions

How to Accelerate the Development of Floating Photovoltaic Solutions?

Photovoltaics, the second largest power source in China, has a cumulative installed capacity of 670 million kilowatts as of April this year, accounting for over 22% of the total installed capacity of power sources.

However, on the other hand of explosive growth, photovoltaic applications also face many challenges such as limited land resource development and difficulties in supply and consumption. Thus, drawing on the experience of offshore wind power, photovoltaics are heading towards the "blue ocean".

Acceleration

Thanks to the resource endowment of China's 18,000 kilometer mainland coastline, it is theoretically possible to install about 100 gigawatts of photovoltaic power. In addition, coastal areas have abundant solar energy resources, wide and unobstructed sea surfaces, and long sunshine hours. Therefore, compared to onshore projects, floating photovoltaic solutions have higher light utilization rates and broader development space.

Entering 2024, the floating photovoltaic solution press the accelerator button. The country's only three-dimensional right confirmation offshore photovoltaic project - Shandong Binzhou New Energy 850,000 kW photovoltaic power generation project and the country's largest offshore photovoltaic power station Zhonghe Tianwan 2 million kW mudflat photovoltaic demonstration project have been started successively. At the same time, leading companies are focusing their attention on the sea, and Haiguang's new product releases are constantly emerging.

Behind the rapid development of floating photovoltaic solutions, it is the important driving force of national policies. Last year, multiple government departments in various countries issued policies to encourage the development of pilot projects for floating photovoltaic solutions and the establishment of three-dimensional land use rights for these projects. In April of this year, there will be good news again. According to industry sources, the first national level offshore photovoltaic sea use policy has been issued, which clarifies the four sea use methods and the methods for defining the sea use scope of floating photovoltaic solutions, laying the foundation for the large-scale development of it.

On the other hand, the economically developed coastal areas of China consume a large amount of electricity, coupled with the increasing demand for green electricity from outward oriented enterprises in recent years. There is ample space for nearby consumption of floating photovoltaic solutions.

In fact, coastal cities are more active in developing floating photovoltaic solutions. Among them, Shandong plans to reach 42GW, and the 11.25GW project that will be completed first in 2022 has already started construction. Recently, Shandong announced that it will be completed by the end of 2025 without energy storage, which will accelerate the construction of floating photovoltaic solutions.

Jiangsu's planned 12.65GW offshore photovoltaic project has also started construction. In addition, many coastal areas such as Fujian, Zhejiang, and Tianjin have also issued relevant support policies. It should be noted that the harsh marine environment also means greater challenges. To move towards the sea, more comprehensive offshore photovoltaic technology support is still needed.

In terms of the structure of floating photovoltaic solutions, there are forms such as semi-submersible, floating, and fixed. At present, China is still in the early stage of ocean exploration, and the main type is pile foundation coating near the beach. However, from the perspective of application scenarios and product technology itself, the mainstream form of offshore photovoltaics in the future is directed towards floating.

However, due to technological limitations, floating photovoltaic solutions are currently mainly used in inland areas such as lakes and reservoirs. Moving towards the sea requires high standards for the structure of floating PV systems, and many companies are still in the exploration stage.

In order to adapt to the most harsh corrosive environment, Topper has chosen materials that have been uniquely designed, using steel and inorganic inert floating structures. 

In addition to strong adaptability and strength, the floating photovoltaic system also has a certain resistance to seawater corrosion. In addition, another major highlight of the floating photovoltaic system is the perfect combination of photovoltaic power generation system and fishery aquaculture. Its multi-point spherical offshore photovoltaic platform photovoltaic system combines photovoltaic power generation and fishery aquaculture, promoting the faster development of the new "photovoltaic+" mode at sea, while also helping photovoltaic products benefit coastal areas more.

By focusing on the entire industry, this Topper has conducted real sea experiments on floating systems, accumulated real sea experiment data, and made scientific demonstrations for offshore photovoltaic technology research. At the same time, it will also accelerate the pace of floating photovoltaic technology entering the sea.

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