diy solar

diy solar

Recent content by wondersparrow

  1. wondersparrow

    EG4 18KPV A/C Coupling

    The problem is micro inverters are quite cost effective and efficient. Most new grid-tied installs use them by default. In my area, that is probably over 80% of new installs. Eventually many of them will want to make upgrades. If we don't want to be wasting money and generating literal...
  2. wondersparrow

    EG4 18KPV A/C Coupling

    Is there a better product if all you want is to add battery to an a/c coupled system? Running new cables isnt really an option for me. So many other utilities need to be crossed, that cost would more the 18k itself. Having the logic for the various interconnection agreements and time of use...
  3. wondersparrow

    EG4 18KPV A/C Coupling

    The Sol-ark 15k specifically says it can do it. You lose the detailed solar power stats, but it works. You would think it would be mostly a software limitation of having UL1741SA working on the load as well as Gen.
  4. wondersparrow

    EG4 18KPV A/C Coupling

    I have a micro inverter based grid tied solar system. I would like to both expand it and add batteries. The problem is that my current array is hooked up to a sub-panel in my shop. Does the EG4 18k support A/C coupling on the load side (not hooked up to the Gen terminals)? The manual doesn't...
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