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I want to build a DC direct EV charger. Not because it's practical, but because I think it'd be fun. I know people are working on commercial versions, but there's no fun in waiting around, and they all want to lock you in to their ecosystem. Other reasons include off-grid resilience and better...

I have 35 panels in 3 strings (12,12,11) of BSM415M10-54HPH installed on an 18kPV, and I'm wondering how I should expect the power difference between the strings to behave. Absent any shading, can I expect string 3 to be 11/12 or 91% of string 1? If so, that's not what I'm seeing. Take this...

Just came across this new listing for the SnapNRack TopSpeed system, and it seems pretty awesome. https://signaturesolar.com/snapnrack-topspeed-mount/. 1. No rails. This is a huge cost saver. $1500 vs $4000 for e.g. 35 panels IronRidge. 2. Screws into deck, so maximum ultimate design...

Hi, after getting crazy quotes ($4/W without battery) for a solar system I decided to do it myself. Well, at least the design. I'm hiring an electrician to do the wiring and put the panels up due to a wife ban from roof work, but I'm buying everything, submitting permits, etc. I'm looking for an...