A floating solar plant supporting photovoltaic panels, resulting from the assembly of structural modules (2; 2') and floating modules (3; 3') on a body of water, forming a floating network supporting photovoltaic panels, comprising: - a first row of photovoltaic panels, - a second row of photovoltaic panels, and wherein the first row of photovoltaic panels and the second row of photovoltaic panels extend along the same longitudinal direction and are spaced apart according to the transverse direction, perpendicular to the longitudinal direction, and wherein at least said structural modules ensuring spacing between the first row of photovoltaic panels and the second row of photovoltaic panels are configured so as to be immersed, enabling the circulation of a floating servicing unit along a waterway (Vn) above said structural modules said structure of the network, comprising an assembly of said structural modules, rigid or semi-rigid, being configured so as to work along the two directions substantially of the horizontal plane of the structure while resisting the compressive forces and the tensile forces to which said structure of the network is subjected, characterised in that, the structure of the network extends substantially along the horizontal plane, the structure being formed by said assembly of the structural modules forming a lattice of beams with a polygonal meshing, in particularly wherein the lattice has a triangular, hexagonal or lozenge-shaped meshing, extending along the horizontal plane, the beams of the lattice replicating the polygonal pattern of the meshing, featuring apertures configured to cool down the photovoltaic panels located above the structure of the network, the lattice of beams forming the structure being configured so as to be immersed on place, or alternatively immersed at least locally under the vertical load of the servicing unit and wherein vertical supports (6, 6') are subjected to the structural modules (2, 2') in particular to the beams, and possibly to the floating modules, to ensure the vertical interlocking of the photovoltaic panels with respect to the horizontal plane forming the structure of the network while ensuring keeping of the photovoltaic panels out of water, the structure formed by the lattice of beams with a polygonal meshing being configured such that the compressive/tensile forces transit in the structural modules, while being contained in said horizontal plane of said structure of the network, and wherein the structure of the network has a planar seat, said structure of the network being configured so as to be substantially planar when it rests on a planar surface. - a first row of photovoltaic panels, - a second row of photovoltaic panels, and wherein the first row of photovoltaic panels and the second row of photovoltaic panels extend along the same longitudinal direction and are spaced apart according to the transverse direction, perpendicular to the longitudinal direction, and wherein at least said structural modules ensuring spacing between the first row of photovoltaic panels and the second row of photovoltaic panels are configured so as to be immersed, enabling the circulation of a floating servicing unit along a waterway (Vn) above said structural modules said structure of the network, comprising an assembly of said structural modules, rigid or semi-rigid, being configured so as to work along the two directions substantially of the horizontal plane of the structure while resisting the compressive forces and the tensile forces to which said structure of the network is subjected, characterised in that, the structure of the network extends substantially along the horizontal plane, the structure being formed by said assembly of the structural modules forming a lattice of beams with a polygonal meshing, in particularly wherein the lattice has a triangular, hexagonal or lozenge-shaped meshing, extending along the horizontal plane, the beams of the lattice replicating the polygonal pattern of the meshing, featuring apertures configured to cool down the photovoltaic panels located above the structure of the network, the lattice of beams forming the structure being configured so as to be immersed on place, or alternatively immersed at least locally under the vertical load of the servicing unit and wherein vertical supports (6, 6') are subjected to the structural modules (2, 2') in particular to the beams, and possibly to the floating modules, to ensure the vertical interlocking of the photovoltaic panels with respect to the horizontal plane forming the structure of the network while ensuring keeping of the photovoltaic panels out of water, the structure formed by the lattice of beams with a polygonal meshing being configured such that the compressive/tensile forces transit in the structural modules, while being contained in said horizontal plane of said structure of the network, and wherein the structure of the network has a planar seat, said structure of the network being configured so as to be substantially planar when it rests on a planar surface.