It’s even worse here. Battle born are renamed here as transport energy and a 100ah battery is £1200. It’s an awful lot of money! I have looked into getting the prismatic cells and it looks risky also. So much Chinese stuff that I have never had luck with. 4000 dollars and really no warranty. Plus I am so green I wouldn’t know which part had gone wrong. Here in the uk the off grid thing is like rocking horse poo. I would be sending out an SOS across the pond every minute. Yeah it’s nuts, I hope they last a long time. Considering 24v to up the ah.
There are many who had / have similar feelings yet moved forward and did well. We do have MANY members in the EU & the UK - Literally, from Australia to Zambia, we got people. A lot do DIY their own battery packs and rely on KNown Good Vendors that we have a lot of cumulative experience with.
UK, has a lot of different options & rules depending on location. I, being a Canadian don't know the gritty details and how Bodged up things are. Beaurocracy is an Artform with the British, they really did perfect it after all.
Grid Tied can mean 3 things. + Hybriding
1) Most Common. Generate Solar and send to grid, no storage, and pull from grid as needed.
To grid pays you cents per kWh, from grid costs more cents per kWh.
2) Similar to above BUT with Battery System as a backup IF grid fails - not much difference except you now have a battery system as a backup.
3) Similar BUT, generate, Store in Battery, Use Battery & pull from grid IF battery runs low to charge it, NO PUSH to Grid. Less permits if ANY required, as this is a Charging Device on the grid, no push, only pull.
A Recent Trend has been to reduce the Grid Tariffs being paid out to people, even going retroactively and cancelling agreements / contracts. Utilities are not willing to pay out equitably. There is even a Move in Australia at present to charge folks pushing power to grid rather than pay them, pending on time & usage of the day... Like REALLY, WTF are they thinking ? PUT IN BATTERIES & STORAGE ! geezus Murphy !