Photovoltaic installations for the transformation of solar energy into electricity; photovoltaic apparatus for converting solar radiation to electrical energy, namely, photovoltaic solar modules, inverters, which convert electricity from DC to AC; current converters, solar charge regulators; solar energy driven loading units being rechargers for loading batteries and accumulators; batteries; accessories for aforementioned goods, namely, electric cables, electric cable carriers, intermediate current meters; solar batteries; photovoltaic modules for generation of electricity; monitoring equipment for photovoltaic installations, namely, voltage and current monitor modules; monitoring equipment for current converters, namely, voltage, current and frequency monitor modules; data loggers and recorders for voltage, amperage and power measurement for photovoltaic installations; data loggers for voltage, amperage and power measurement for current converters; solar panels for converting solar radiation to electrical energy; electric accumulators; photovoltaic installations for converting solar radiation to electrical energy; electrical apparatus and instruments for the positioning of solar cells, solar modules and solar panels that are moveable in horizontal and vertical directions, namely, directional light sensors, and remote controls for electrical motors; light sensors, and remote controls for mechanical actuators, all for controlling the orientation of solar panels used for the generation of electrical energy; light sensing devices, namely, light sensors, and remote controls for motors, for manipulating the position of photovoltaic and solar cells, photovoltaic and solar modules, and photovoltaic and solar panels used in solar energy plants.