How Solar PV works


Today domestic homes, schools and businesses all have the potential to utilise solar power to provide on-site free electricity. The introduction of the Feed in Tariff (FiT)scheme means that not only can you use the electricity when it is produced or export it to the grid but crucially all electricity generated is paid for by your energy company irrespective whether you use or export it. The Feed in Tariff (FiT) means that on a typical UK domestic roof with a 2.8kWp array you could generate over £900 in tax free income per year in addition to the free electricity.

A typical UK household solar pv system

The technical detail

A solar array will be made up of solar panels each of which has photovoltaic cells which convert daylight into electricity.A photovoltaic cell is constructed of two semi-conducting layers, usually silicon, which creates an electric field, the photoelectric effect, when daylight, made up of photons, falls on it causing electrons to be knocked into a higher state of energy thus creating electricity to flow.