What are the elements of a photovoltaic system?
A photovoltaic system converts the solar energy into electrical energy. A photovoltaic system consists essentially of: Photovoltaic panels,...
What is district heating?
District heating is a solution for the production of hot water and heating buildings. The heart of the system lies in a central production of heat...
What is the difference between a photovoltaic system and a solar thermal system?
Both types of systems use the sun as an energy source, absorbing the radiation through surface-enhancing, but the kinship ends here because the PV...
Why are necessary imports and exports of power?
The electric current can not be accumulated in large quantities, but it must always be generated a quantity corresponding to that which is being...
Why save energy?
There are many reasons that speak in favor of the conservation of energy. We list, below, the main ones: Each energy consumption is related to...
The most read article
Apollon: the photovoltaic system "sunflower" with high energy efficiency
A prototype created by a European research project result of the collaboration of 17 public and...