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Last updated: 18 December 2018

What to Check When Choosing a Solar Panel Installer?

MCS Accredited Installers

You should choose a solar panel installer who has been certified by MCS( Microgeneration certification Scheme) Unless you do this, you will not be able to benefit from the Feed-in Tariff, introduced by the UK government in 2013. The goal of this governmental program is to encourage homeowners to use solar panels to generate electricity for domestic use. You can learn more about MSC certified solar panel installers on MSC’s website.

Unfortunately, the Feed in Tariff in the UK is ending on 31 March 2019. However, if you act fast enough and submit your FIT application on or before this date, you could still qualify and benefit from the payments for the next 20 years.

Applications for Solar PV Feed in Tariff Close in March

Read our guide on how you can still benefit from the solar PV Feed in Tariff before it ends in March 2019.

Recommendations or Reviews

A good way to start your initial search for an installer is by consulting friends and acquaintances co- workers, or neighbours, if they have any experience with local installers. You can also read through some customer reviews about installers in your region. It is a good way of finding out which installers have provided satisfactory service.There will also be some bad reviews, but you might find out how the installer has reacted to fix the issue. This is a good indicator of the installers’ level of customer service.

Read more: 7 Facts About Solar Energy

Solar Panel Brands and Design

The solar panel installers should know about the different brands they have, and what their characteristics are. In addition to that, he should be able to point out the advantages and disadvantages of each brand. The installer should understand your needs and concerns concerning solar energy, and be able to recommend a solar panel that fits your specific requirements. 

Panel and Inverter Warranty

Performance warranty on solar panels is usually between 25-30 years. This warranty includes repair for silicon cells, if their generating ability falls below a certain percentage. There is also workmanship warranty, which covers the glass and the laminate components of the panel. Damage to these parts is rare, but it can largely diminish the generating capacity of the panel. Inverters are parts of the panel which are most likely to break down, as they work continuously in order to transform solar energy to generate electricity. Inverter warranty is typically in the range of 5-10 years.


Companies nowadays outsource their installation services to sub-contractors. That’s why it is very important to know if the installer you pick is outsourcing any activities. The company that your receive the quotes from may not know enough about the installation crew and how well they have been trained. This is why you should ask in more detail about the relationship they have with the subcontractor.

You can conduct all the research about solar panel installers. You can consider factors like experience and accreditation, knowledge about offered brands and customer service, customers reviews, warranty terms. But in the end it’s up to you to decide if the particular solar panel installer is going to meet your particular requirements.

Read more: What is the Installation Price for Solar Panels

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