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From: TTman <kraken.sankey@gmail.com>
Newsgroups: sci.electronics.design
Subject: Re: 1GW (sic) Battery Energy Storage Systems
Date: Sun, 24 Nov 2024 16:44:04 +0000
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On 24/11/2024 11:40, Martin Brown wrote:
> There is a startup company in the UK called NatPower (no relation to the 
> real National Power PLC aka NPower) claiming to have over 25 years of 
> experience in BESS. They are proposing 1GW (sic) BESS in all sorts of 
> brown and green field UK sites. They have no track record that I can 
> find. Does anyone here know of any real international project(s) that 
> they have actually done and more importantly *delivered*?
> (their own PR or its uncritical repetition in the press doesn't count)
> 
> Their website is very slick indeed but I suspect that beauty is only 
> skin deep. I am interesting in evidence of substance not PR fluff.
> 
> Can someone provide me with some rough estimates of what a 1GW class 
> energy storage system ought to look like in terms of layout and the 
> number of container sized units and space required?
> (or at least sanity check my guesstimate below)
> 
> Assuming that they mean 1GWh I reckon it will be about 2000T of Lithium 
> batteries. If each module is storage container sized and can contain 
> 20m^2 of batteries I reckon it is about 100 units (twice that if I have 
> over estimated how much battery you can safely fit in a module). I 
> haven't been able to find any manufacturers specifications for them.
> 
> At what point in the scale up from 50MW storage units (which are quite 
> common in the UK) to these new Gigaparks do things get interesting?
> 
> It also strikes me that if these storage battery systems have similar 
> characteristics to the Lithium ion cells in my laptop they will require 
> complete replacement every 5 or so years if they get cycled daily.
> 
> And I presume each module needs integrated fire suppression systems to 
> handle thermal runaway problems. Lithium fires being notoriously 
> difficult for ordinary fire fighting methods to put out.
> 
> Also what additional measures will it need to tie into 400kV supergrid?
> 
> How do you even do that at 1GW using semiconductor components?
> 
> It can obviously be done since some big interconnectors are DC but how 
> much does that sort of hefty high voltage infrastructure cost?


So... 100MMW system in Alderley, Hampshire. My neck of the woods. No 
such place that I know of, nor does Google Maps. They say' will update 
in August 2024'....
> 


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