An integrated process for the cultivation of plants and the production of electric energy comprising: - cultivating said plants in a cultivation area comprising at least one luminescent solar concentrator in which at least one photovoltaic cell is positioned on at least one of its outer sides, obtaining plants and electric energy; - recovering said plants; - recovering said electric energy; wherein said cultivation area is a greenhouse; and the electric energy recovered through said luminescent solar concentrator is used in the above-mentioned process for the cultivation of plants, for example, in the management of greenhouses, in particular for the ventilation or heating of the same wherein said luminescent solar concentrator comprises at least one photoluminescent compound having an absorption range within the range of solar radiation, capable of activating photosynthesis (Photosynthetically Active Radiations - PAR.s: 400 nm - 700 nm) and an emission range capable of activating the photovoltaic cell, wherein said emission range is superimposable with respect to the maximum quantum efficiency area of the photovoltaic cell; wherein said photoluminescent compound is selected from: acene compounds; benzothiadiazole compounds; benzoheterodiazole compounds disubstituted with benzodithiophene groups; naphthoheterodiazole compounds disubstituted with benzodithiophene groups; naphthothiadiazole compounds disubstituted with thiophene groups; perylene compounds known under the trade-name of Lumogen ® of Basf; wherein said luminescent solar concentrator comprises a matrix made of transparent material selected from: transparent polymers such as polymethylmethacrylate (PMMA), polycarbonate polyisobutyl methacrylate, polyethyl methacrylate, polyallyl diglycol carbonate, polymethacrylimide, polycarbonate ether, styrene acrylonitrile, polystyrene, methyl-methacrylate styrene copolymers, polyether sulfone, polysulfone, cellulose triacetate, or mixtures thereof; transparent glass such as silica, quartz, alumina, titania, or mixtures thereof; wherein said photoluminescent compound is present in said luminescent solar concentrator in an amount ranging from 0.1 g per surface unit to 5 g per surface unit, said surface unit referring to the surface of the matrix of transparent material expressed as m 2. - cultivating said plants in a cultivation area comprising at least one luminescent solar concentrator in which at least one photovoltaic cell is positioned on at least one of its outer sides, obtaining plants and electric energy; - recovering said plants; - recovering said electric energy; the electric energy recovered through said luminescent solar concentrator is used in the above-mentioned process for the cultivation of plants, for example, in the management of greenhouses, in particular for the ventilation or heating of the same wherein said luminescent solar concentrator comprises at least one photoluminescent compound having an absorption range within the range of solar radiation, capable of activating photosynthesis (Photosynthetically Active Radiations - PAR.s: 400 nm - 700 nm) and an emission range capable of activating the photovoltaic cell, wherein said emission range is superimposable with respect to the maximum quantum efficiency area of the photovoltaic cell; wherein said photoluminescent compound is selected from: acene compounds; benzothiadiazole compounds; benzoheterodiazole compounds disubstituted with benzodithiophene groups; naphthoheterodiazole compounds disubstituted with benzodithiophene groups; naphthothiadiazole compounds disubstituted with thiophene groups; perylene compounds known under the trade-name of Lumogen ® of Basf; wherein said luminescent solar concentrator comprises a matrix made of transparent material selected from: transparent polymers such as polymethylmethacrylate (PMMA), polycarbonate polyisobutyl methacrylate, polyethyl methacrylate, polyallyl diglycol carbonate, polymethacrylimide, polycarbonate ether, styrene acrylonitrile, polystyrene, methyl-methacrylate styrene copolymers, polyether sulfone, polysulfone, cellulose triacetate, or mixtures thereof; transparent glass such as silica, quartz, alumina, titania, or mixtures thereof; wherein said photoluminescent compound is present in said luminescent solar concentrator in an amount ranging from 0.1 g per surface unit to 5 g per surface unit, said surface unit referring to the surface of the matrix of transparent material expressed as m 2.