How to Compare Solar PV Quotes

How to Compare Solar PV Quotes

How to Compare Solar PV Quotes

Copyright (c) 2010 Aaron DicksInstallations of Solar PV systems have soared since the introduction of the Governments Feed-in Tariff scheme. With so many homeowners installing solar panels, it is important to know how to compare quotes from different Solar PV installers.What type on panel is being used?There are 4 different types of technologies when it comes to Solar PV; amorphous, polycrystalline, monocrystalline and hybrid. Monocrystalline and Hybrid panels are the most efficient and if you are looking for a current technology then these two are what you should be looking for.What brand of panel is being used?Some brands of panel are not very well known; therefore you may not get the guarantee on them that you would if they are not made in the EU or a developed country. There are companies out there who use panels from China for example and the guarantees can be poor. Also with a panel manufactured in the UK or the EU you are already beginning to reduce your carbon emissions. The GuaranteeMake sure you check what guarantee they will give you on the panels, parts and inverters. Note there is a difference between and output guarantee (the expected output of the panels after a set time period) and a product guarantee which tends to be not as long. Do your homework on the companies you have had your quotes fromWhy not Google the company you have had a quote from? Look at reviews on the company from everything such as general customer satisfaction and if they predicted their returns accurately. It might be worth paying that little bit more to be safe in the knowledge you will be looked after and not miss-sold PV.SAP CalculationsIt has been known for companies to massively overestimate your return on investment. Check to see if your quote has been calculated using the SAP calculation. This is a calculation based on the maximum output of your system multiplied by the irradiance expected onto the panels (which direction the roof faces and the angle of the roof) and how much shadow is expected onto the property. AccreditationIn order to receive the benefit of the FIT (feed in tariff) the company, panels and parts must be MCS accredited. You can check this online, by telephone or by contacting the MCS direct. Solar PV is a large investment and if you a company install your system who isn't accredited you will miss out. IWA is also another accreditation which should be essential to you as a customer because it not only protects the deposit, but it protects any guarantee that is given with the products you buy.

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