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The subject of dissertation thesis is the wireless collection of the data stored in a photovoltaic inverter with transfer and outside store from any remote point using internet. The thesis develops in four sections. The first section introduces elements that present photovoltaic properties. With regard to the mode of operation, the differences that they present in relation to the other systems of electricity generation and the environmental benefits they present. In the second section, photovoltaics is referred as systems with all the units they form. A detailed reference is made for photovoltaic inverters, panels, and future developments in their technology. In the third section, reference is made to serial communication and in particular to asynchronous transceivers as the studied inverter communicates with asynchronous serial data using the RS-485 standard. The structure and basic features of an asynchronous data packet are determined while the chapter concludes with the most important asynchronous serial communication protocols and the principles that govern them. The fourth section outlines the construction of the circuits used and PCB, follows the conclusions drawn from the monitoring of the data and the improvements that can be achieved