@jkoljo , I did look at your site yesterday (you only have one linked to this email address), and it looks like it has a single Multi on L1, in a three phase system. There are some known issues, not easy to solve, with doing peak shaving in this kind of setup, specifically because the system also tries to feed energy back to cancel loads on the other phases. It will be fixed in future, but in the mean time, this is at least not a new problem. It has been around for as long as peak shaving has been around.
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