ARaymond, in partnership with the Ener Group, announced the launch of a solution for floating photovoltaic power plant structures in Brazil, with a production capacity of up to 1 MWp per week. One of the main differentiators of the proposal is the production model based on a mobile mini-factory, installed directly at the project site.
The structure utilizes two containers positioned on the banks of the reservoir, where steps such as the fabrication of the floats, the fixing of the structural profiles, and the initial assembly of the modules are carried out. After this stage, the assemblies are launched into the water, forming the base of the power plant.
According to the companies, this model eliminates the need to transport large volumes, one of the main factors increasing costs in floating projects, and also reduces the logistical impact on CAPEX.
The technology is entering the market with a focus on expanding the use of water surfaces for solar energy generation, especially in reservoirs of hydroelectric plants geared towards agribusiness.
The proposal is part of a regulatory environment already consolidated in the country: Normative Resolution No. 1.000/2021, of ANEEL (National Electric Energy Agency), which establishes the rules for the electricity distribution service, including criteria for connection, compensation and use of the grid within the scope of distributed generation (DG).
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Photo: ARaymond/Disclosure
Aluminum frame and patented catamaran.
From a technical standpoint, the solution replaces conventional plastic floats with a structure made of naval aluminum, a material that offers greater mechanical strength, durability, and stability over time, in addition to being non-flammable, resistant to UV radiation, and 100% recyclable.
The system uses catamaran-shaped floats with patented technology, contributing to greater plant stability and better load distribution on the water surface. The structural design also enhances modularity, allowing adaptation to different project configurations.
Another distinguishing feature is the inclination of the modules. While the market standard for floating systems ranges between 8° and 10°, this solution allows for installation at up to 15°, increasing irradiance capture and, consequently, energy generation.
The solution uses less material compared to traditional plastic systems, while maintaining structural and operational performance. According to the companies, the cost remains competitive with technologies available on the market, with additional gains in efficiency, logistics, and operation.
Simplified operation and maintenance
In terms of operations, the structure was designed to facilitate operation and maintenance activities. Access to the modules is possible from both sides, reducing intervention time and minimizing impacts on power generation.
The system incorporates a technical walkway with embedded cable trays, responsible for organizing the cables and integrating the electrical equipment. This layout allows for the installation of inverters close to the strings and ensures direct access to the module connectors.
Another point is the use of light vessels for maintenance, facilitating movement within the plant and reducing operational costs over time.
International applications and performance
The solution was developed to meet the demands of both the electricity sector and agribusiness, including applications such as power generation for irrigation systems and the utilization of idle water resources.
International projects have already validated the technology's performance. In power plants implemented in European countries, increases of 5% to 7% in energy generation were recorded, accompanied by a reduction in operating and maintenance costs.
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Answers of 2
A very interesting solution. But how are the floating structures anchored?
Very interesting solution. But I was wondering how to anchor the system.