Optimized mounting system for photovoltaic panels, suitable for mounting at least one panel having a substantially rectangular shape with longer side L2 and short side L1 on a base surface, comprising: - at least two end clamps and at least two central clamps ; - a plurality of ballast blocks suitable for fixing a panel in two points on the short side L1 by means of the at least two end clamps and the at least two central clamps ; characterized in that the optimized mounting system further comprises: - at least one front support and at least one rear support suitable for creating a fixing point on the longer side L2; and in that said at least one front support comprises: - a lower base profile having a lower flat portion suitable for being placed directly in contact with the base surface, an inclined portion which extends from the lower flat portion and includes a slot ; - an intermediate profile which can be fixed to the inclined portion by means of a first bolted coupling in the slot , and equipped with a cylindrical cavity ; - an upper profile which can be fixed to the intermediate profile by means of a hinge in the cylindrical cavity ; and in that said rear support includes: - a hinge profile ; - a strut profile having an upper groove in which a fastening nut of the hinge profile is slidably fixed; - a cement block suitable to act as a rest on the base surface and support of the strut profile , said cement block comprising an aluminum profile having a groove in which a coupling is bolted with the strut profile ; - an upper profile fixed to the hinge profile and to the strut profile by two bolted connections; and - a frame locking slide which can be pre-assembled with the upper profile before assembling the panel using the system . - at least two end clamps and at least two central clamps ; - a plurality of ballast blocks suitable for fixing a panel in two points on the short side L1 by means of the at least two end clamps and the at least two central clamps ; - at least one front support and at least one rear support suitable for creating a fixing point on the longer side L2; and in that said at least one front support comprises: - a lower base profile having a lower flat portion suitable for being placed directly in contact with the base surface, an inclined portion which extends from the lower flat portion and includes a slot ; - an intermediate profile which can be fixed to the inclined portion by means of a first bolted coupling in the slot , and equipped with a cylindrical cavity ; - an upper profile which can be fixed to the intermediate profile by means of a hinge in the cylindrical cavity ; - a lower base profile having a lower flat portion suitable for being placed directly in contact with the base surface, an inclined portion which extends from the lower flat portion and includes a slot ; - an intermediate profile which can be fixed to the inclined portion by means of a first bolted coupling in the slot , and equipped with a cylindrical cavity ; - an upper profile which can be fixed to the intermediate profile by means of a hinge in the cylindrical cavity ; - a hinge profile ; - a strut profile having an upper groove in which a fastening nut of the hinge profile is slidably fixed; - a cement block suitable to act as a rest on the base surface and support of the strut profile , said cement block comprising an aluminum profile having a groove in which a coupling is bolted with the strut profile ; - an upper profile fixed to the hinge profile and to the strut profile by two bolted connections; and - a frame locking slide which can be pre-assembled with the upper profile before assembling the panel using the system . <EOS>