Buccleuch Group Submits Plans For 39MW Solar, 10MW Storage Development
These are the two introductory paragraphs.
Solar and storage developer Buccleuch Group has submitted a planning application for a new solar plus storage development near Kettering, Northamptonshire.
The Oakley Bush solar and battery energy storage system (BESS) project is a proposed 39MW solar development, with a 10MW BESS proposed for the site. The application area, which covers 150 hectares of land on the Boughton Estate, could play host to as many as 130,000 ground-mounted solar modules, positioned around 3.5 metres above the ground.
The development is interesting for two reasons.
It Is Being Built With Both Solar Panels And A BESS
As a Control Engineer, I believe renewable power systems should have a battery, to even out the power.
The Batteries Could Be Vanadian Flow Batteries
The article says this about, the use of vanadium flow batteries.
According to the application documentation provided to Kettering District Council, two BESS technologies are being considered for use on-site: lithium-ion batteries or vanadium flow batteries. If vanadium flow batteries are used, the site could have an energy capacity of up to 50MWh, although this will be lower if lithium-ion batteries are used.
In a presentation given at a public information event for the project earlier this year, the developers noted that vanadium flow battery technology is being considered due to its significantly lower fire risk and longer lifespan than lithium-ion batteries. An operational lifespan of 40 years is expected for the site, with construction expected to take 18 months if planning consent is granted.
Note.
- Vanadium flow batteries appear to be larger.
- Vanadium flow batteries have a lower fire risk.
- Vanadium flow batteries have a longer life span, than lithium-ion.
With other batterers coming through, I wouldn’t be surprised to see costs, performance and reliability of batteries improve.
UK’s Pivot Power Sees First Battery On Line By 2021
The title of this post, is the same as that of this article on Argus Media.
The article is a review of what is happening in the UK and this is the introductory paragraph.
UK firm Pivot Power is now targeting a 2021 start for its first two 50MW lithium-ion battery storage projects, while a 50MW liquid air energy storage project and another 50MW battery recently announced they were targeting completion by 2022.
The article gives several pieces of information about Pivot Power.
- Their two batteries are at Kemsley and Cowley.
- The two batteries appear to be running late.
- The company has a portfolio of forty projects with s total size of 2 GW.
- The Cowley battery will be co-located with a 2MW/5MWh Vanadium flow battery operated by storage firm redT.
- Pivot Power is owned by EdF.
Good to see redT involved, although they seemed to have merged with Avalon Battery to form Invinity Energy Systems. The new web site describes them as the world’s leading vanadian-flow battery company.
This page on the web site is the Press Release about the merger.
This paragraph from the Press Release, describes where vanadium flow batteries fit in the market.
Vanadium flow batteries are a form of heavy-duty, stationary energy storage, used primarily in high-utilisation applications such as being coupled with industrial scale solar generation for distributed, low-carbon energy projects. This sort of application requires daily, heavy use and is well suited to flow battery technology, which is expected to become a £3.5bn market by 2028.
I don’t know much about vanadium-flow technology, but this company could probably be added to a list of companies, who might make it.
A Different Energy Storage Technology
Recently, two articles on the web have been caught in my Google alerts.
- This article on Energy Storage News, which is entitled ‘Flow Machine’ Maker RedT Gets £3.2m Funding Needed To Power Projects
- This article on Mining Review Africa, which is entitled Bushveld Minerals: A Large-Scale Battery Storage Contender
Both articles are about energy storage using a Vanadium Redox Flow Battery.
This is a paragraph from the Bushveld article.
The project will be implemented in two phases for a total of 1 400 MWh of energy storage capacity – 800 MWh in Phase 1 and an additional 600 MWh in Phase 2.
When you consider that with lithium-ion technology battery capacity is normally talked about in kWH, these are impressive amounts of stored energy.
Reading the Wikipedia post shows that the batteries rely on toxic chemicals like sulphuric acid and vanadium oxide, which would probably rule out mobile applications.
Conclusion
Having read all the two articles and the Wikipedia entry, I wouldn’t be surprised to see some form of technology like this emerge for large scale energy storage to back up intermittent power sources like solar, wind and wave.
The Anonymous Widower 