The solar panel market is highly competitive, with lots of different brands trying to convince you that their solar panels are “the best that money can buy”. To help you out, we’ve reviewed over 20 solar panel companies on factors including the efficiency, cost, and warranty period of their solar panels, to bring you a rundown of the brands that we believe offer the best quality – and best value – solar panels. Choosing solar panels made by one of these brands will give you peace of mind that you’ve made a sound investment.
|Company||Unique Benefit||Our Score|
|Canadian Solar||High resistance to extreme weather||★ ★ ★ ★ ★|
|LG||Up to 21.1% efficiency||★ ★ ★ ★ ★|
|Panasonic||0.004% failure rate out of 4 million modules||★ ★ ★ ★ ★|
|Sharp||Anti-reflective surface to maximise efficiency||★ ★ ★ ★|
|SolarWorlds||20-year product warranty||★ ★ ★ ★|
|Yingli Solar||83.5% of maximum power output after 25 years||★ ★ ★ ★ ★|
Canadian Solar is one of the world’s leading manufacturers of solar panels and provider of solar energy solutions. With operations across 20 countries worldwide, the company has produced over 70 million solar panels since 2001.
A pioneer of electronics, LG developed solar cells for the likes of traffic signs and clocks before it began mass producing residential and commercial solar panels in 2010. Since then, its solar panels have won the coveted Intersolar AWARD in 2013, 2015 and 2016
This Japanese technology company has been producing solar panels since the 1970s. Since then, it has sold over 3 million solar panels in Europe alone. In 2016, Panasonic broke the world record for solar panel efficiency, creating a solar module with an efficiency of 23.8%.
Technology giant Sharp entered the solar power market in 1959. With innovation at its heart, Sharp have installed solar panels on homes since 2004, but has also made solar cells for everything from lighthouses and traffic lights, to satellites
For German-based SolarWorld, quality is its top priority, from monitoring manufacturing processes to carrying out tests on its solar panels. Because of this, its quality standards surpass the norm for the industry.
Yingli Solar is one of the world’s leading solar panel manufacturers, whose mission is to provide affordable green energy to everyone. Established in China in 1998, the company has already produced over 85 million solar panels – enough to power over 6.6 million homes worldwide