Solar PV panels work by converting natural sunlight into electricity. Sufficient, clear roof area is required to mount the solar PV panels. Ideally your roof would be south facing, but a system can be installed on a roof facing anywhere between due east or west. A PV system facing east or west will generate approximately 85% of the electricity of a system facing due south. It is also important that nothing causes a shadow over the roof area where the PV panels are to be mounted.
The system consists of three main elements: an array of photovoltaic panels (the part that generates the electricity), an inverter (an electrical device that converts the panel's DC output into useable AC “mains") and the necessary cables, displays and switchgear to connect the PV system to your existing mains supply.
Your PV system will be supplied with a kWh meter, which will generally be mounted close to your fuse box, showing you how much energy your system has generated.
The output from a grid connected PV system is fed directly into the existing circuits in the building, usually by a connection at the main distribution board. Besides smaller electricity bills, there is no difference in the way the electricity is used.
Your PV installation will be carried out in-house using MCS certified products and an MCS certificated installer who will complete the final connections, testing and commissioning which will give your system its MCS certification and its qualification for the Feed in Tariff.