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In fact, this is also related to the specific types and methods of fish farming. In terms of breeding types, for the most shade-loving breeding products such as shrimp, blue crabs, soft-shelled turtles, river crabs, yellow catfish, and sand catfish, photovoltaic panels block the sunlight and lower the water temperature, which is the best choice.
Peak Power Floating PV potential in the province of Jaen at irrigation ponds. In the idealistic case, where 100% of the water surface is covered and no minimum power is required for the implementation of an individual FPV system, 2.1 GWp could potentially be installed in this region only using existing irrigation ponds.
It is particularly noteworthy that the model of breeding under photovoltaic panels has also directly reduced the breeding costs of local farmers: the rent of crab ponds is borne in part by photovoltaic enterprises, and the rent price of farmers has been reduced from the original 1,000 yuan/mu to the current 200 yuan/mu.
The most technically feasible and realistic scenario corresponds to FPV systems above 50 kWp and up to 50% of the water surface area of each pond covered. In this case, FPV systems totalling one GWp could be potentially installed, which represents 5.4 times the existing PV capacity in the province.
