2 September 2012, 11:02
(This post was last modified: 2 September 2012, 11:03 by NorthernRaider.)
Grid connection, it has to be planned and costed, most have to connect to the 11,000 volt lines and the grid can chage a lot on the local or inteligent grids, then profit, liability insurance, scaffolding, VAT, staff costs, maintenence charges etc.
Forgot structural survey to ensure the roof can take both the weight and the loading from wind trying to lift the panels
Forgot structural survey to ensure the roof can take both the weight and the loading from wind trying to lift the panels