We’d like to remind Forumites to please avoid political debate on the Forum.
This is to keep it a safe and useful space for MoneySaving discussions. Threads that are – or become – political in nature may be removed in line with the Forum’s rules. Thank you for your understanding.
📨 Have you signed up to the Forum's new Email Digest yet? Get a selection of trending threads sent straight to your inbox daily, weekly or monthly!
The Forum now has a brand new text editor, adding a bunch of handy features to use when creating posts. Read more in our how-to guide
Adding More Solar to Existing System
NigeWick
Posts: 2,738 Forumite
I have a question. FiT maxes at a 4kW home system which is what I've got on my South facing roof. I have read that East and West facing systems with no shadowing should get about 86% of optimum.
What happens to my FiT if I were to add say a 3kW system to each of those East and West facing rooves?
What happens to my FiT if I were to add say a 3kW system to each of those East and West facing rooves?
The mind of the bigot is like the pupil of the eye; the more light you pour upon it, the more it will contract.
Oliver Wendell Holmes
Oliver Wendell Holmes
0
Comments
-
I am thinking of doing the same on my W facing garage roof. I will have the extension going through a separate meter though, so it shouldn't affect my FIT at all. Will need DNO approval of course.Living in supposedly sunny Kent
14*285 JA Solar Percium Panels
Solis 4kw inverter
ESE facing with a 40 degree slope0 -
Hiya guys, this came up recently, so some info on this thread:
Adding more solar panels
Basically, extensions are no longer eligible for FiTs, so you won't get any subsidy, and I suspect you won't get paid for export.
Your 'old' FiT is safe, and locked in, but if any new PV goes through the TGM, then you need to tell your FiT provider so that they can apportion it out.
If you install a totally separate system, then you are fine, but as Warren points out, you will need DNO prior approval if the total export exceeds 3.68kW, or to be more correct, if the theoretical export exceeds 3.68kW. Eg, for my system as the inverters aren't capped, my potential export is 5.58kW, despite it being E/W, and only peaking at 4.2kW (spikes to 4.9kW).Mart. Cardiff. 8.72 kWp PV systems (2.12 SSW 4.6 ESE & 2.0 WNW). 28kWh battery storage. Two A2A units for cleaner heating. Two BEV's for cleaner driving.
For general PV advice please see the PV FAQ thread on the Green & Ethical Board.0 -
Oops, should have done a search but brain was in neutral.Martyn1981 wrote: »Hiya guys, this came up recently, so some info on this threadThe mind of the bigot is like the pupil of the eye; the more light you pour upon it, the more it will contract.
Oliver Wendell Holmes0
This discussion has been closed.
Confirm your email address to Create Threads and Reply
Categories
- All Categories
- 353.4K Banking & Borrowing
- 254.1K Reduce Debt & Boost Income
- 455K Spending & Discounts
- 246.5K Work, Benefits & Business
- 602.8K Mortgages, Homes & Bills
- 178K Life & Family
- 260.5K Travel & Transport
- 1.5M Hobbies & Leisure
- 16K Discuss & Feedback
- 37.7K Read-Only Boards