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I will be dealing with 12 24v/200w panels - I have a 4 string combiner box. Should I go 3 series of 4 parallels or vice versa or does it not matter? They are all together so how they shade etc is not an concern really - more on the electrical side of things. Bigger breakers, less of them etc...

Im finding little info on this but plan examiner said batteries must be in an battery enclosure. When I search I see $$$ meant for security and management. I will be dealing w 4 batteries (BattleBornBatteries BBGC3H - kind of long). Does anyone know more details on the requirements? I asked the...

Plan examiner says my batteries need to be in an approved box regardless of inside or in shed. But I am looking for the exact code for this - we use IRC 2018 and NEC 2017 - anyone know the section where this is defined?

Am looking for recommendations on either good samples or a plan generator (I did see solardesigntool.com - curious on if anyone used them). I am building a ground mounted off grid array and have to provide the design to get a permit and Id like to see if I can accomplish this myself. Some of...