An electrified retaining structure is provided for protecting at least a portion of a designated area. The retaining structure comprises a series of spaced apart scissor lift assemblies. Each scissor lift assembly being moveable up and down between an extended position and a retracted position. In addition, the scissor lift assembly includes one or more sets of elongated rods secured to the scissor lift assembly and extending outwardly therefrom. In the extended position, the rods project outwardly from the lift assembly and form a barrier or retaining structure. An electrical power unit is operatively connected to the rods for providing an electrical current to the rods.