Solar PV (photovoltaic) systems generate electricity when sunlight falls on solar panels which are normally made of crystalline silicon and mounted on the roof of the home or other building. Although a great deal of energy is consumed in the manufacture of PV systems, one installed they should continue to produce virtually free electricity for up to 20 years. - Description added by: www.microchap.info

Our homes are responsible for a growing percentage of overall carbon emissions, as our use of new electronic gadgets grows, we continue to leave devices running on standby (responsible for 10% of our energy bills!), and waste precious heat and resources. Fortunately there are a lot of things we can do to lower our carbon footprints in our home, including improving energy efficiency, installing renewable energy, recycling, and using more efficient appliances. Click the picture to the right to search our interactive domestic environment. - Description added by: David Lockie