I'm considering installing Solar PV, but due to the recent cut in FITs, I am looking at a non MCS installation (to reduce capital outlay).  To try and establish whether this was possible, I contacted my DNO, to find out what the procedure would be to connect to the grid. Sadly, the response was limited, advising that only MCS accredited installers could make a G83 connection.  When pressed, they referred me to the ENA (Energy Network Association).  Thankfully, the ENA knew what they were talking