Support structure for electric energy eolian generators of various kind, particularly for being installed on inhabited environments, and arranged for operating also under conditions of strong wind, in order to generate electric energy for the use in the same inhabited residences, or also for being used by other users, wherein each eolian generator is substantially constituted by a synchronous electric generator, formed by a movable circular rotor and by a fixed circular stator, both contained in a metallic and fixed box-like envelope, supported on the metallic support structure (7; 65), and a metallic rotor is housed and supported into the box-like envelope, and is rotating with respect to this latter, and is mechanically joined with the electric generator rotor and supporting some rotating vanes, the generator being also constituted by at least one rectilinear and lengthened metallic rod provided with a tail, and fixed to the upper end portion of at least a first vertical rectilinear lengthened metallic section bar, the lower end portion of which is supported by support means (14, 15, 16, 17; 66, 67, 68), joined in an articulated manner with said vertical section bar and distributed uniformly on the ground all around the same vertical section bar, together with corresponding ballast means (24, 25, 26, 27; 69, 70, 71) or with pairs of ballast blocks (24', 24"; 25', 25"; 26', 26"; 27', 27") identical and joined to each other, constituted by ballast material and applicable on the roofs of buildings or in the ground, in a manner that the support structure (7; 65) with the relative said eolian generator be always supported in a balanced condition, the support structure (6; 65) being also formed by a system of rigging stays of nautical kind, comprising tensioning cable means (51, 52, 56-60; 76, 77, 78, 81-86) fixed to said vertical rectilinear section bar, said support means (14, 15, 16, 17; 66, 67, 68) and said ballast means (24, 25, 26, 27; 69, 70, 71), said support structure (7; 65) being able to be installed in position by movable raising and lowering equipment (winches 94) and means for tensioning cables, acting on to the different component parts of the same support structure, in a manner to arrange preferably firstly said ballast means (24, 25, 26, 27; 69, 70, 71) in the application positions and then to lower said vertical bar section, so as to secure said eolian generator by traditional means on the upper part of the same section bar, and finally to raise said vertical section bar in the upright position, with said eolian generator and said support means (14, 15, 16, 17; 66, 67, 68), with subsequent tensioning of all the relative cables (stays), characterized in that said support means are constituted by respective horizontal rectilinear section bars (14, 15, 16, 17) of the same size, forming base struts which are arranged on the relative support surface, preferably on the roof of an inhabited building, and arranged in form of spokes around said vertical section bar with the same angular distance, and the end portions converging to each other of said horizontal section bars (14, 15, 16, 17) being fixed with a central plate, in the upper surface of which there are provided two short projected coupling elements (20, 21), for mounting in an articulated manner two additional vertical section bars (22, 23) having the same length and which are shorter than said section bar, by defining between them a space in which the same vertical section bar is arranged, without that the lower end portion of this latter comes into contact with said plane plate, the free end portions of the relative said horizontal section bars (14, 15, 16, 17) being articulated with said ballast means (24, 25, 26, 27), and the free end portions of said additional vertical section bars (22, 23) being supported by hinging means, together with said vertical section bar, in a manner to allow an articulated movement of this latter from the lowered position to the raised position thereof, and vice versa, with respect to said additional vertical section bars (22, 23).