That is just slack IMO.
I can't help but feel, that some sort of temporary poles could have been sunk for this circuit, to get it up out of the way.
I mean, that is what electricity utilities do as their bread and butter isn't it?
I just shook my head when I saw them wires laid over the top of that fence, it would have taken a few seconds to run them singles UNDER the fence.
It's like someone just doesn't care.
Let's face it, these days if you're not young, you're old - Red Green