Ok I know nothing of the management side of owning a station as couldn't find the menu for that but I DID manage to build an energy array. First up I went in search of a ship builder. Asked them to build me a constructor ship and paid the money. Waited a few minutes and the ship appears outside the station. Got myself an Architect and put her to work on the ship. Next I flew around to find a spot to build on. Wasn't really bothered where as just wanted to test building. Found a spot marked by a Build Icon and clicked on it. Gave option to build station and brought up a list of available stations. I selected Energy Array. The Architect then asks how you want to obtain the materials for the station. You can bring them yourself or let her do the work. I selected for her to buy them and then gave her a load of credits. 17,000,000 I think it was. Went off and pottered around the Galaxy and about 8 hours later my station is built, with bars and everything. It's massive anmd thats just 1 segment. Thats all I've done so far. Not made anything or sold anything, just built the station. Hope this helps someone and if anyone can advise on the next step or station management it would be appreciated. Oh I did ask to add to the station which is pretty much the same process as above and I assume takes the same length of time.
Edit: Just wanted to add that when I requested that the Architect sort out the materials needed and i'd given her the money the ship stays where it is and various NPC traders come along, dock with the Constructor ship and sell materials. The Constructor ship does not move around buying things. Every now and then i'd contact the Constructor via the comm's to find out what was happening and if any more matgerials or cash were needed but never had to do much myself other than fund it.