> but this is actually my day job. You are probably more knowledgable than me. I am just here for the cake. However, AFAIK the most fault prone components in

> but this is actually my day job. You are probably more knowledgable than me. I am just here for the cake. However, AFAIK the most fault prone components in PV are inverters and (where applicable) transformers. > 5-10x more than what was mentioned. This was my mistake. I started with 5c/W and missed a decimal place. None of this addresses the key issue - you mentioned 10% loss for a simple DC converter, and the next commenter [1] mentioned the newer generation of far superior alternatives. [1] https://news.ycombinator.com/item?id=37260441 https://news.ycombinator.com/item?id=37260441