THD spike and Voltage drop

Now that PowerPlay is back I’ve noticed some interesting things. On October 8th I had a huge jump in incoming THD from 2% to > 4% and an incoming voltage drop from 122 to 117.

I haven’t seen any electrical work in the area so I was wondering what may cause something like this? It’s been at these new levels since then. have included a picture.

I’m just glad I have the P20 so my gear is none the wiser. :stuck_out_tongue_winking_eye:

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Any serious temperature changes where you live which could be created by excess load on the grid.

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