Photovoltaic

Introduction

Photovoltaic is the direct conversion of light energy, usually sunlight into electrical energy using solar cells.
The term is coming from the Greek "light" (φῶς, phosphorus, au genitive: φωτός, photos) and the unit of power, the Volt (from Alessandro Volta). Photovoltaic is a part of the field solar technologies.


Energy transformation is taking place due to the photoelectric effect of the solar cells, which are connected into a solar module. The electricity produced can be used directly or can be injected to the conventional grid. Before being injected to the grid, which is operated in alternative current (AC), the continuous current (DC) generated by the solar module has to be converted by an inverter. The installation system combining solar panels and other components as inverters, power line is called "photovoltaic system".


In Germany, until 2011, 25.000 MW were installed and connected to the network. For this, Germany is the country the largest installed PV capacity in the European Union.
The operators of these facilities have the opportunity to refinance their entire PV system from the sale of the energy produced. This allows them to achieve a positive cash flow as the selling price of the pv flow is generally submit to a yearly running contract (from 10 to 20 years depending the country).


In 2013, Photovoltaic is still a very interesting tool which allow to preserve the environment by reducing our footprint and to spare money.
Each country has their own feed in tariff and photovoltaic supporting criteria. We can see that today and because of the proximity with the grid parity that the financial model is now switching for an auto-consumption solution based on electricity index.


In any case, SOLUXTEC can provide you with all information and technical service for the succes of your project.
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