Solar power: what challenges?

Solar panel costs have been deflating at a rate of c20% per annum as the industry scales up into manufacturing mode. The IEA recently stated solar could thus provide the “cheapest electricity in history”.

What next?  To answer this question, we reviewed 70 patents filed by leading solar manufacturers in 2020, in order to see what challenges they are aiming to resolve. We expect deflation to continue apace, while panels will also gain greater efficiency and longevity.

This data-file explains the conclusions, summarizing the findings  from the patents and giving specific examples of gains in the offing.

Specific companies’ focuses can also be seen from the patents. Covered companies include Canadian Solar, Hanergy, Jinko, LG, Miasole, Panasonic, SunPower et  al.

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