Innr zigbee plugs not updating energy

I have a few Innr Zigbee plugs (type SP120 and SP240), and while power updates regularly, somehow energy doesn’t always update regularly and can be quite erratic. For example below is an Innr SP120 plug connected to my ventilator box (which is always on).

The energy doesn’t update 22:00-7:00, then works fine until ~12:00, then works briefly around 14:00, and hasn’t been updating since. However, the power works fine all the time (and is correctly never 0).

Somehow this seems tied to innr plugs, I haven’t had it with one other brand. Any else having this or an idea what it can be? I found this related topic, but it’s slightly different.