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At Thrive, we recognise the important role battery storage has to play and are busy building our second project &#8211; a 20 MW site &#8211; in Bristol.
Read more about the background to the project (it involves a campaign to stop 48 diesel generators being built near a local nursery school!) and what it means for net zero in <a href="https://www.positive.news/society/a-key-piece-of-the-puzzle-for-a-more-energy-secure-uk-storage-and-more-of-it/" target="_blank" rel="noopener">our article with Positive News.</a>

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Thrive’s Managing Director, Matthew, and Investment Manager, Tom, sat down with Positive News to talk about our battery projects and why they are so critical to the energy system of the future.

A key piece of the puzzle for a more energy-secure UK? More storage!

Historically we’ve been caught up in a cycle of investing in more fossil fuels as a knee jerk reaction to problems caused by disruption to fossil fuel supplies. This creates an unhelpful loop of dependence in which UK billpayers are left exposed to price hikes determined by unpredictable international oil and gas markets. And despite calls from some politicians to drill more at home, doubling down on UK oil and gas production won’t save billpayers a penny as gas prices are set on global gas markets regardless of where the gas is produced.  
To build a truly resilient power system, protected from price shocks, we need to break the cycle of reinvesting in fossil fuels, and focus on increasing homegrown clean energy here in the UK. Clean, homegrown power sources like wind and solar aren’t tied to international markets like fossil fuels, offering a stable price of electricity. The Climate Change Committee has found that the UK Government can deliver its long-term net-zero target <a href="https://www.edie.net/ccc-uks-net-zero-transition-can-cost-less-than-managing-one-energy-price-crisis/?utm_medium=email&amp;utm_campaign=edie_daily_news_alert_11-03-2026&amp;utm_content=edie_daily_news_alert_11-03-2026+CID_d5ec660957e5cecd9adbeda7da88dad7&amp;utm_source=campaign%20monitor&amp;utm_term=CCC%20UKs%20net-zero%20transition%20can%20cost%20less%20than%20managing%20one%20energy%20price%20crisis" target="_blank" rel="noopener">for less than it spent responding to the energy price crisis</a> resulting from the Russia-Ukraine war. 
Building energy security isn’t just about bills, it’s important for national security too. A <a href="https://www.renewableuk.com/news-and-resources/press-releases/defence-experts-urge-uk-to-treat-energy-security-as-part-of-national-security-and-accelerate-renewables-to-reduce-exposure-to-global-price-shocks/" target="_blank" rel="noopener">new report commissioned by RenewableUK</a> has found that as geopolitical shocks, extreme weather and cyber threats become more frequent, energy security must be treated with the same seriousness as defence capability, supply chains and other critical national infrastructure. A power system built around renewables — supported by storage and flexibility — is also more resilient against physical disruption than a fossil-fuel based system. Wind and solar generation is spread across the country, meaning there are fewer single points which could be targeted than in a system reliant on centralised plants.  And let’s not forget that climate change itself is one of the largest threats to humanity. 
Renewables also keep the benefits close to home. Local participation in clean energy projects ensure communities across the UK benefit from access to clean, homegrown power in their area. We can deliver projects where the profits from the sale of electricity from local renewables projects go into the pockets of local people, not large corporates. Take the Ambition Community Energy wind turbine in Bristol which Thrive helped fund – as well as generating enough clean electricity to power around 3,000 homes, all profits from electricity sales (around £100,000 a year) go to the community. Projects like this that are built locally have a big impact nationally – strengthening energy security and reducing UK carbon emissions.   
We’ve got a long way to go to reduce our reliance on fossil fuels and boost energy security. But together we are already making progress in delivering a cleaner, more resilient energy system – last year, renewables generated nearly half of the UK’s total electricity demand. And in times like these, a proactive response isn’t doom-scrolling or wishful thinking, it’s getting on with building proven, homegrown solutions.

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Staring down the nose of another energy crisis, we’re reminded once again of the need to build a fairer, more resilient energy system for communities in the UK.

Clean, homegrown energy matters more than ever – and it starts with communities

Capable of generating over 7,000MWh of clean electricity a year, the equivalent of powering more than 2,000 average Scottish homes [2], the 2.5MW community turbine will deliver over 3,000 tonnes of carbon emissions reductions annually [3].  
This is the first project to be funded by Community Energy Catalyst (CEC), Thrive’s joint venture with Better Society Capital. Thrive initially provided a £4 million loan to Attix CIC in 2023 to fund construction and operation and this was transferred to CEC in July 2025. 
Now operational, Kilbirnie wind turbine will directly benefit local causes, with all profits from electricity sales going into Radio City’s programme of sustainable development projects that address the need for capital investment in a new Employment Hub, offering employment and training opportunities for local people, improve sustainable transport opportunities and help to address health and educational inequalities locally, as well as upgrading local sports and recreational facilities [4]. 
It will also support the charity’s ongoing work to address the substantial fuel poverty in its community through assistance with energy vouchers, distribution of halogen heaters and electric blankets, as well as and one to one advice to combat and reduce peoples’ energy bills.

This watershed moment for community energy follows the UK Government and Great British Energy publishing its Local Power Plan this month, aiming to invest £1 billion in locally owned clean energy projects and ensure communities directly benefit from the schemes they host [5].

The collaborative approach to funding the wind turbine provides a blueprint for financing the community-led energy transition from the ground up. It brings together £5.6 million in blended finance – £1.6 million in social investment from Social Investment Scotland and £4 million from Community Energy Catalyst. Local Energy Scotland supported the project through planning and design with a loan from the Scottish Government’s Community and Renewable Energy Scheme (CARES). The project has also received a combination of Great British Energy and Scottish Government grant funding via CARES.

[1] The project operates on a ‘merchant’ basis selling electricity on a purely commercial basis, without government price support mechanisms such as Contracts for Difference or historic Feed-in Tariffs. 
[2] Calculated using the most recent subnational statistics from the Department for Energy Security and Net Zero (DESNZ) showing that average domestic household consumption in Scotland is 3,429.3kWh per annum. 
[3] Carbon reduction is calculated by multiplying the estimated annual generation (7GWh) by the number of tonnes of carbon which fossil fuels would produce to generate the same amount of electricity. We have used DESNZ’s “all non-renewable fuels” emissions statistic of 448 tonnes of carbon dioxide per GWh of electricity supplied from the Digest of UK Energy Statistics (July 2025) Table 5.14 (“Estimated carbon dioxide emissions from electricity supplied”). 
[4] ATTIX CIC is a Community Interest Company established, and asset locked to Radio City Association Ltd to develop the community turbine in Kilbirnie. 
[5] According to its recent strategic plan, Great British Energy (GBE) plans to support over 1,000 community energy groups to take a stake in the UK energy transition.

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Radio City team in cafe

Landmark community project in Scotland, which Thrive helped fund, is now generating clean energy locally, creating blueprint for national rollout. 

Kilbirnie community wind turbine enters commercial operation

Having provided the first commercial funding for United Downs in 2020, followed by further investment in 2023 and 2025 to complete construction, we’re really proud to see the landmark project come to life.  
The project is owned and operated by Geothermal Engineering Limited (GEL) and will provide 24/7 home-grown baseload power, helping to boost energy security by reducing our reliance on imported balancing power to complement wind and solar. 
In another UK first, GEL has started commercial scale production of sustainable lithium carbonate, the key raw material used in the production of rechargeable batteries, including those that power electricity vehicles and energy storage systems. From its February 2026 starting point, United Downs has the capacity to produce 100 tonnes per annum.

The well at United Downs that produces the geothermal fluid for power and lithium is over 5km deep – the deepest well ever drilled on UK soil. It taps into water exceeding 190°C &#8211; the hottest recorded in the UK. After power generation, the fluid is processed to produce technical grade lithium carbonate before being reinjected back underground. The water brought to the surface contains over 340 parts per million (ppm) of lithium, making it one of the highest concentrations found in any well to date in the world. GEL aims to scale its production to over 18,000 tpa over the next decade, enough for circa 250,000 EV batteries a year – 65% of the UK’s 2024 Battery Electric Vehicle (BEV) registrations. 
GEL has two other sites currently under development in Cornwall, which will deliver a further 10 MW of base-load geothermal power in the UK by 2030. The British Geological Survey has calculated that more than 200 GW of baseload (24/7) electricity could be produced from onshore geothermal sources. That is the equivalent of over 100 nuclear power stations.

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