Top Renewable Energy Startups in United Kingdom (2025 Update)
Explore the best Renewable Energy companies in United Kingdom. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Renewable Energy Startups in United Kingdom featuring 510 Companies
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Energy Shift (Techstars ‘... | - | Monetise the Sun by investing in solar panels through Energy Shift, because SHIF... |
MONETISE THE SUNSHINE WITH ENERGY SHIFT Earn money by purchasing solar panels wi... |
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United Kingdom
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London | United Kingdom (HQ) | 2019 | Energy, Platforms +1 | [email protected] |
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Low
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1
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135 (-100%) | 2 years ago | Pre Seed | 3 | 142.9K | 1847 | 4 years ago | |
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Ecoisme | - | Ecois.me identifies devices from energy consumption using spectrum and power ana... | Our technology, Ecois.me, has the ability to recognize all devices within your h... | - |
United Kingdom
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London | United Kingdom (HQ) | 2014 | Energy, Renewable Energy | [email protected] |
1
Low
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708
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710 (-100%) | 7 years ago | Grant | 8 | 551.3K | 9294 | 5 WJ0 MXy | |
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Blue Square Utilities | - | Blue Square Utilities installs smart meters for SME energy suppliers with experi... | Established in Newcastle, Blue Square Utilities is a company that specializes in... | - |
United Kingdom
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Newcastle Upon Tyne | United Kingdom (HQ) | 2017 | B2B, Energy +4 | [email protected] |
1
Low
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88
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978 | 7 years ago | Series Unknown | 1 | 500.0K | 58216 | 4 G6E tnl | |
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Bramble Energy Limited | - | Powering Net Zero | Bramble is a technology company on a mission to drive transformational change in... | - |
United Kingdom
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Crawley | United Kingdom (HQ) | 2015 | Consumer Electronics, Energy +4 | [email protected] |
1
Low
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77
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1.8K (-10%) | 2 years ago | Grant | 6 | 55.7M | 13249 | 5 months ago | |
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Venterra Group | - | Helping Wind Power Grow |
Our purpose is to help the world’s energy transition through wind power. As t... |
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United Kingdom
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London | United Kingdom (HQ) | 2021 | Energy, Renewable Energy | - |
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Low
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162
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3.4K (31%) | 1 year ago | Series Unknown | 4 | 231.8M | 11528 | 5 months ago | |
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bp | - | Reimagining energy for people and our planet | We believe the world wants and needs a better and more balanced energy system th... | - |
United Kingdom
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London | United Kingdom (HQ) + 4 | 1909 | Energy, Industrial +2 | [email protected] |
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Low
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70570
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2.3M (10%) | 10 months ago | Grant | 2 | 12.0B | 3665167 | 5 months ago | |
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Zeigo | - | Zeigo enables businesses to manage clean energy with data tools and connects ren... | Zeigo accelerates decarbonization for companies of all sizes. Created by industr... | - |
United Kingdom
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London | United Kingdom (HQ) + 1 | 2018 | Energy, Renewable Energy | - |
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Low
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23
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748 (-100%) | 4 years ago | Seed | 3 | 800.0K | 7744 | 5 months ago | |
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Exagen Group | - | Utility-Scale Solar, Battery Storage, Renewables, Development Funding | Exagen Group is passionate about renewable energy and its role in driving down g... | - |
United Kingdom
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London | United Kingdom (HQ) | 2019 | Renewable Energy | - |
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Low
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19
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1.7K (-58%) | 2 years ago | Series Unknown | 1 | 35.0M | 2435 | 8 months ago | |
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Octopus Energy | - | We're not your typical energy company. | We're on a mission to make a big green dent in the universe by building a truly... | - |
United Kingdom
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London | United Kingdom (HQ) | 2015 | Energy, Renewable Energy +1 | [email protected] |
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Low
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3664
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10.8M (9%) | 11 months ago | Private Equity | 8 | 2.9B | 228203 | 5 months ago | |
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Neptune Energy | - | Neptune Energy is an independent oil and gas company focused on North Sea, North... | Neptune Energy is a self-governing organization that deals with oil and gas expl... | - |
United Kingdom
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London | United Kingdom (HQ) | 2015 | Energy, Renewable Energy +1 | - |
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Low
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1346
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758 (-75%) | 3 years ago | Grant | 2 | 3.6M | 31358 | 2 xAD 1j7 | |
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Tonik Energy | - | Energy for the switched on. |
Tonik Energy Limited – in Administration (“the Company”) Matthew James Cowlish... |
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United Kingdom
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Birmingham | United Kingdom (HQ) | 2015 | Energy, Renewable Energy +1 | [email protected] |
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Low
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25
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316 | 6 years ago | Series A | 1 | 13.0M | 3592 | 3 pRK Oq7 | |
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Bodle Technologies | - | Oxford-based Bodle Technologies aims to deploy its world-class technology in par... | Established in 2015, Bodle Technologies is situated in the historic city of Oxfo... | - |
United Kingdom
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Oxford | United Kingdom (HQ) | 2015 | Information Technology, Manufacturing +1 | [email protected] |
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Low
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603
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965 | 7 years ago | Series A | 3 | 6.0M | 94828 | 10 UGc dmY | |
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Treepoints | - | Sustainability through Technology. We help you understand your carbon footprint... | Everyday people, like us, care about climate change - but it's not always easy t... | - |
United Kingdom
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London | United Kingdom (HQ) | 2020 | ESG, Renewable Energy +1 | - |
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Low
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4
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799 | 3 years ago | Pre Seed | 1 | 150.0K | 47098 | 2 enm 2R8 | |
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Eelpower | - | We make renewables sustainable. | We construct, own and operate large scale, front of meter, energy storage soluti... | - |
United Kingdom
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London | United Kingdom (HQ) | 2017 | Energy, Renewable Energy +2 | [email protected] |
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Low
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18
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873 (-27%) | 7 years ago | Series Unknown | 1 | 20.0M | 2233 | 6 months ago | |
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SOLIVUS | - | We are the ENERGY behind lightweight solar! ☀️⚡️ | Solivus are on a mission to decarbonise the built environment with lightweight s... | - |
United Kingdom
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London | United Kingdom (HQ) | 2016 | Energy, Renewable Energy | [email protected] |
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Low
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21
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1.1K (-8%) | 2 years ago | Equity Crowdfunding | 5 | 8.6M | 6130 | 5 months ago | |
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Solaris Offgrid | - | Delivering life-changing technology to the Next Billion through IT Solutions and... | Solaris Offgrid supports last-mile distributors through PaygOps, a cloud IT infr... | - |
United Kingdom
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London | United Kingdom (HQ) + 2 | 2014 | Renewable Energy, Clean Energy | [email protected] |
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Low
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35
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204 (-88%) | 5 years ago | Series Unknown | 5 | 1.2M | 12812 | 7 months ago | |
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Aceleron | - | Aceleron is a UK-based lithium battery company speeding the shift to renewable e... | Aceleron is a progressive lithium battery company with a global presence, commit... | - |
United Kingdom
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Birmingham | United Kingdom (HQ) | 2016 | Energy, Manufacturing +1 | [email protected] |
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Low
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653
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1.1K | 3 years ago | Series A | 5 | 10.6M | 7512 | 1 year ago | |
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Liquid Logical | - | On a mission to change the way humans heat water. | Liquid logical is a patented technology which brings water to the boiling point... | - |
United Kingdom
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London | United Kingdom (HQ) | 2018 | Renewable Energy, Water | - |
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Low
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2
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926 | 5 years ago | Grant | 1 | 10.0K | 54 | 8 RqF DMT | |
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Ripple Energy | - | Making clean energy ownership accessible and affordable for everyone, everywhere... | Ripple enables energy consumers around the world to part own large scale wind fa... | - |
United Kingdom
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London | United Kingdom (HQ) | 2017 | Energy, Renewable Energy | [email protected] |
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Low
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35
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59.2K | 1 year ago | Corporate Round | 4 | 19.2M | 7964 | 4 months ago | |
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Rovco | - | Born for renewables. | Founded in 2016, Rovco is a high-technology offshore wind business helping to br... | - |
United Kingdom
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Bristol | United Kingdom (HQ) + 3 | 2016 | AI, Analytics +5 | [email protected] |
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Low
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145
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310 | 3 years ago | Series B | 7 | 24.0M | 31786 | 8 months ago | |
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Reactive Technologies Lim... | - | Addressing the challenges of the renewable energy transition by measuring grid i... | Reactive Technologies is a grid resilience technology company helping grid opera... | - |
United Kingdom
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London | United Kingdom (HQ) + 3 | 2010 | Energy, Renewable Energy | - |
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Low
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76
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2.3K | 1 year ago | Series D | 8 | 47.7M | 6546 | 1 year ago | |
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Continuum Industries | - | Developers of Optioneer - rapid AI-powered optioneering for linear infrastructur... | Tackling decarbonisation and the transition to net zero means radically transfor... | - |
United Kingdom
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Edinburgh | United Kingdom (HQ) + 2 | 2018 | AI, Renewable Energy +2 | [email protected] |
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Low
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57
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2.6K | 1 year ago | Series A | 5 | 12.3M | 4121 | 3 months ago | |
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Storm4 | New open positions 41 Jobs | Connecting GreenTech Talent | Storm4 are the leaders in GreenTech recruitment, connecting organisations with t... | - |
United Kingdom
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London | United Kingdom (HQ) + 1 | 2020 | DevOps, Marketplaces +1 | [email protected] |
2
Normal
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53
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8.3K | 4 years ago | Series A | 1 | 3.0M | 350625 | 7 months ago | |
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tepeo | - | heating your home, not the planet | At tepeo, we are striving to be the leaders in low carbon heating and grid flexi... | - |
United Kingdom
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Winnersh | United Kingdom (HQ) | 2018 | Renewable Energy | [email protected] |
1
Low
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46
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8.0K (-18%) | 2 years ago | Series A | 2 | 13.0M | 5725 | 3 months ago | |
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Nyobolt |
1 week ago mentioned on Tech. (View)
4 weeks ago mentioned on Tech. (View) 1 month ago mentioned on Tech. (View) Recently raised money $30.00M |
More Power, Less Time. | Nyobolt’s world leading team of technologists have used a systems level approach... | - |
United Kingdom
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Cambridge | United Kingdom (HQ) + 1 | 2020 | Energy, Manufacturing +2 | [email protected] |
3
High
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109
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2.6K (-10%) | 1 month ago | Series Unknown | 6 | 83.6M | 10098 | 3 months ago | |
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Ogre AI | - | Leveraging machine learning to forecast energy | Ogre AI is an automated B2B platform which uses machine learning to offer financ... | - |
United Kingdom
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London | United Kingdom (HQ) + 1 | 2021 | AI, Big Data +5 | [email protected] |
1
Low
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12
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9.0K | 8 months ago | Series Unknown | 3 | 5.6M | 957 | 5 months ago | |
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Kavaken | - | Making wind energy assets and the industry run better through data. | Kavaken, leverages the available data in operational wind farms to generate auto... | - |
United Kingdom
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Newcastle Upon Tyne | United Kingdom (HQ) + 1 | 2022 | AI, Renewable Energy +1 | [email protected] |
1
Low
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13
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2.0K | 11 months ago | Seed | 3 | 2.0M | 2233 | 2 years ago | |
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Realfin | - | The best in real assets intelligence for data-driven professionals. | Realfin is the global real assets intelligence specialist, supporting institutio... | - |
United Kingdom
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London | United Kingdom (HQ) | 2020 | B2B, Data Analytics +6 | [email protected] |
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Low
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20
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3.7K | 3 years ago | Pre Seed | 2 | 290.0K | 6367 | 5 months ago | |
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Bulb | - | Bulb is a renewable energy provider in the UK offering fair-priced, easily manag... | Renewable electricity and gas are supplied by Bulb, a budding energy supplier co... | - |
United Kingdom
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London | United Kingdom (HQ) | 2014 | Energy, Renewable Energy | [email protected] |
1
Low
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266
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4.0K (-60%) | 6 years ago | Non Equity Assistance | 4 | 61.4M | 99283 | 7 tP4 Kcr | |
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-Ltd-logo.jpg "Chameleon Technology (UK) Ltd"){kind=logo}
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Chameleon Technology (UK)... | - | Providing real time energy data from smart meters and connected devices and appl... | Chameleon Technology is a leading smart energy technology company providing real... | - |
United Kingdom
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Harrogate | United Kingdom (HQ) + 1 | 2010 | Big Data, Consumer Electronics +5 | [email protected] |
1
Low
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39
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8.6K (115%) | 4 years ago | Undisclosed | 2 | 13.3M | 1652 | 5 months ago | |
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Fuse Energy | New open positions 44 Jobs | Building the world’s first renewable giant | We are building a full stack renewable energy company to accelerate global renew... | - |
United Kingdom
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London | United Kingdom (HQ) + 2 | 2022 | Energy, Renewable Energy | [email protected] |
2
Normal
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84
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602 (-100%) | 2 years ago | Series Unknown | 2 | 78.7M | 13833 | 5 months ago | |
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Osprey Charging Network | Not active anymore | Building the rapid charging network of the future⚡️ | Osprey Charging Network is a UK-wide, rapid electric vehicle charging network. O... | - |
United Kingdom
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London | United Kingdom (HQ) | 2011 | Analytics, Energy +2 | [email protected] |
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60
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19.3K (33%) | 7 years ago | Equity Crowdfunding | 2 | 1.5M | 15877 | 5 months ago | |
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National Energy | - | Powering the future together | Founded in 2018 by ambitious entrepreneurs, National Energy is a US-backed, priv... | - |
United Kingdom
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London | United Kingdom (HQ) + 1 | 2018 | Energy, Renewable Energy | [email protected] |
1
Low
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42
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1.5K (53%) | 3 years ago | Debt Financing | 1 | 60.0M | 5581 | 5 months ago | |
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NanoSUN | - | Bridging the gap between hydrogen suppliers and end users! | NanoSUN responds to the hydrogen needs of fuel cell users by developing innovati... | - |
United Kingdom
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Lancaster | United Kingdom (HQ) | 2017 | Manufacturing, Renewable Energy +1 | [email protected] |
1
Low
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19
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1.0K | 3 years ago | Series A | 1 | 12.0M | 5797 | 1 year ago | |
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Parallel Carbon | - | Removing and Reducing Carbon, in Parallel Affordable Direct Air Carbon Capture... | At Parallel Carbon, we're on a mission to halt climate change through innovative... | - |
United Kingdom
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Manchester | United Kingdom (HQ) | 2021 | Renewable Energy, Semiconductor | [email protected] |
1
Low
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9
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658 (426%) | 1 year ago | Seed | 3 | 3.7M | 2367 | 5 months ago | |
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Ventive Limited | - | Naturally Intelligent Buildings | Ventive designs and manufactures naturally intelligent Heating and Ventilation s... | - |
United Kingdom
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Kingston Upon Thames | United Kingdom (HQ) | 2011 | IT, Real Estate +2 | [email protected] |
1
Low
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12
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605 (-33%) | 1 year ago | Series Unknown | 5 | 6.4M | 904 | 10 months ago | |
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Allye | - | Energy Liberated. | Allye provides distributed energy storage at the grid edge to provide collective... | - |
United Kingdom
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London | United Kingdom (HQ) | 2023 | Renewable Energy, Energy Storage | [email protected] |
1
Low
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13
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966 (93%) | 1 year ago | Seed | 1 | 900.0K | 3532 | 5 months ago | |
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Electron | - | Launch, operate and coordinate multiple markets for flexibility and distributed... | Electron’s purpose is to accelerate the energy transition by unleashing renewabl... | - |
United Kingdom
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London | United Kingdom (HQ) | 2015 | Blockchain, Data Analytics +3 | [email protected] |
1
Low
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68
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4.4K (29%) | 1 year ago | Series Unknown | 15 | 11.0M | 6291 | 7 months ago | |
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Sunamp | - | World-leading thermal storage technologies | Sunamp’s space-saving thermal energy storage uses patented phase change material... | - |
United Kingdom
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Edinburgh | United Kingdom (HQ) + 3 | 2006 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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76
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9.6K (-39%) | 2 years ago | Grant | 12 | 43.5M | 11925 | 5 months ago | |
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Varco Energy | - | Driving the UK's energy transition by building flexible battery energy storage. | Varco Energy is a pioneering UK based battery storage asset owner and operator.... | - |
United Kingdom
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London | United Kingdom (HQ) | 2020 | Renewable Energy, Energy Storage | - |
1
Low
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8
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182 (-85%) | 1 year ago | Debt Financing | 1 | 58.0M | 1061 | 8 months ago |