SenileOldGit

It's now thirteen or fourteen weeks since I had the inverters set up by my electrician, and there have been ZERO problems. Each...

I used ground screws like this https://www.ebay.co.uk/itm/313964745318 but I bought the insertion tool from the pile company, because...

I don't think so, I'm talking about metal ground screws, they are $20-$30 each. https://www.ukhelix.com/order/ 1 x Screw Pile...

Has the OP heard of ground screws? I think you could have saved yourself a lot of money and time, rather than using concrete foundations...