Is Energetics actually a DNO or does your DNO delegate now connections to them? If the latter, complain to the DNO itself.

Given that you have paid, there must be a contract. What does it say?

Well, I think thye are a DNO, I contacted Scottish Power, and they told me the Network where I live belongs to Energetics. I think they piggyback off Scottish Power, so the main feed comes from SP, Energetics spur off the main feed, and run it themselves.

Contract, no, just the Qoutation email, and a form to return, with payment details if I accept. It was returned, and payment made a few days later. There was a query on that form, 'when would you like the connection completed?' to which I put 'any time in May'. I've emailed them twice since, but not even had an acknowledgement from them.

It is getting rather annoying now.

There are rules in respect of new connections so try this link. It tells you about time scales and routes to compensation. 

https://www.ofgem.gov.uk/information-consumers/energy-advice-households/getting-gas-or-electricity-connection

Alan, I too would be annoyed. I would say that the quotation was an offer of a contract and payment was acceptance. You could void the contract for non-performance and get you money back, but that hardly moves things forwards.

Problem is that these big companies make it difficult to deal with anybody who matters.

SSE were no bother at all when I got a new supply, but the problem was with the supplier. IIRC, I contacted Ofgem and things got sorted eventually including a wee bit of compensation.

Good luck!

Energetics I think are technically an IDNO, rather than a true DNO - but still operate under a license from Ofgem,

   - Andy.