@BigDave I was thinking more a storyline diary but, I do really appreciate the hard work you put in and that time is often of the essence however, I do love how you write things on your work, I really do but, more than happy to catch a glimpse of your work, when you choose to write snipets down 🙂
@Brydo if your are really that close to meeting G99 /G100 your crap installer should have picked up on this prior commencing the install and an application made to the DNO. Its not necessarily the size of the the array DNO are interested in, it’s the inverter and it meeting type approved to meet G99 say. Many a time I’d regularly ask if the network would take more than 16A back feed and most of the DNO staff were very helpful, except you always get one, who was a right jobsworth and would continually state 16A maximum, but if your limited to 16A they can’t stop work commencing and any network issues that arise are not chargeable.
There are ways around it G98 is based round export limatation, options include G99 but, also workarounds such as reducing panel size to 4kWp with a view of adding panels and battery storage at a later stage, with the involvement of the DNO or a bigger inverter (fotget what size yours is) and limit it to around 3.68kWp export but, there is no escuse for bad workmenship, only finding out at this stage the DNO should have been involved from the start, if you are actually close to the limit.
Most DNO’s are helpful if you approch them however alot rests on the upstream downstream limits your local transformer can hand which might be what the other guy was talking about but, if there’s no issue with capacity, Ive known DNO’s to carry the work out withou charge.
Might be worthwhile reading the Engery Networks association on G98/G99.
https://www.spenergynetworks.co.uk/userfiles/file/2024_DG_Guides_Combined_Document.pdf
Anyhow its cloudy 12c here today.