Panasonic/Sanyo Solar Panels Review - Are They The Right Choice?


Panasonic started the development of silicon solar cells back in 1975 under the well known brand name of Sanyo. They became a full subsidiary of the Panasonic Group back in 2011 and changed their brand name to Panasonic in 2012.

Key Benefits Claimed By Panasonic:

  • Panel power production capabilities up to 185W.
  • Water-drainage frame: drainage corners in the Module frame allow for constant discharging of accumulated water. There are no drying stains, and any build-up of humidity inside the panel is effectively prevented.
  • 10 yr product warranty, 25 yr performance warranty.

With all these positives, Panasonic solar panels sound like a great option for your solar power system, however, there are three things you must consider first.

  • Panasonic solar panels offer panel efficiency rates of up to 18.5%, compared to the market leader which is up to 21%. While a lower efficiency brand of panel is usually cheaper, you will sacrifice some long-term return-on-investment by not going with the highest efficiency brand you can afford, so be sure to compare the lifetime value of Panasonic solar panels against other brands before making a final buying decision.

  • If your roof space is not too constricted, Panasonic solar panels are a cost efficient choice because you can fit enough panels on the roof to meet your power needs at a more reasonable price (compared to the higher efficiency panels previously mentioned). However, if your roof space is limited and you want to maximise your power production, Panasonic solar panels might not be the best choice for you. It’s important to keep in mind that solar is an investment first and foremost. Getting an accredited installer with experience in your local area to consult with you will help you understand what panels will provide the best return for your investment over the life of the system.

  • Even if you are already 100% decided on Panasonic solar panels, don’t be too hasty in accepting the first quote you receive. Different installers charge different prices, even for the same product. Installers all buy their products from different places, have different margins and offer varying levels of service. The price you are quoted, even for the exact same product, can vary by hundreds of pounds depending on who you talk to.

The best way to make sure you get the right panels for you at the best price is to compare quotes from MCS (Microgeneration Certification Scheme) accredited installers with experience in your area.

By partnering with the top national and local installers across the UK we offer the quickest, easiest and smartest way for you to do this.

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