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Energy from the sun is utilised by the solar photovoltaic in order to run the electric appliances. PV requires only daylight - not direct sunlight - to generate electricity.
Cells are used by the PV system for conversion of radiation to electric power. There is either one or two layer on the PV cells mostly silicon, as conducting material. An electric field is created across the layer when light falls on it and makes the electricity flow. If the intensity of the light is greater than the flow of electricity will be the same.
No green-house gases are generated by the PV systems with makes them very Eco-Friendly. A domestic system is able to save carbon dioxide emission up to 1.2 tonnes in a single year and about 30 tonnes over the life-time of the system.
You can choose from a wide range of colours and shapes that can look identical to roof tiles. You can also choose panels and transparent cells so perfect for conservatories and glass which will provide shading along with generating power.
The face of the wall or the roof in which you are planning to install a PV system should be 90 degrees to the south. It is important that there shouldn’t be any trees or obstructions as this would decrease the output of the system. The roof of the building has to very strong as the panels are heavy. Installation by experts is essential if panels are to be placed on the tiles that already exist so look no further than Single Ply Roofing.
The price of the PV system depends on the type of cells, the size of the panel and the type of the building. At the end of the day, the size of the system is dictated by the amount of electricity required.
The installation cost for an average domestic PV system can range from £5,000- £7,500 per kWp. The cost of the solar tiles is more than conventional panels and panels that are integrated into a roof are more expensive than those that sit on top.
An array of 2.5kWp is enough to meet the electricity needs in almost 50% of homes - This would save up to £250 in a year. Now that it has become an earning potential as the extra power that is generated by the system is sent to the national grid and the customer then gets credit in accordance to the government’s defined rate. If the domestic or commercial unit is a large one then it is a great opportunity for savings as well as earnings.
Are you interested in generating renewable energy to combat rising utility costs? At Single Ply Roofing we provide a complete estimating service for commercial or residential projects so whether your requirement is for a flat roof, pitched tiled or slated roof or single-ply membrane roof we are fully qualified to offer the complete service to the highest standards. Contact us for a no obligation quotation or for information on info@single-ply-roofing.co or 020 8397 2900.
