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Top 20 Energy Startup Investors in Luxembourg in September 2025

Last updated: Sep 2025 A list of 20 angel investors and VC (Venture Capital) funds that invest in Energy startups based in Luxembourg. We rank investors based on the number of investments they made in Energy companies from Luxembourg. We update this investor list every month.

Top 20 Energy Startup Investors in Luxembourg in September 2025

Investor	Energy Luxembourg investments
Demeter	1
TDK Ventures	1
Promus Ventures	1
Industrial Development Corporation	1
Diane Ries	1
Eurefi	1
Gérard Schockmel	1
Akiles	1
EIC Fund	1
Andia Shtepani	1
DMA	1
Urban Gillström	1
William Ahlefeldt-Laurvig	1
Innovation Fund	1
BonVenture	1
Sustainable Ventures	1
ROC	1
MITO Tech Ventures	1
TechEnergy Ventures	1
CDP Venture Capital	1

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Investor list

Demeter is a major player in venture capital and private equity for the energy and ecological transition. They invest from 500 K€ to 30 M€ to support companies at all stages of their development: innovative startups, high growth SMEs and infrastructure projects.

Investment focus

Manufacturing, Software, Renewable Energy
Funding Round, Seed, Series A
France, Germany, Slovenia

Portfolio highlights

AISPRID — AISPRID is a robotic company that manufactures autonomous robots for soft fruit picking.
Praysbee — Praysbee is a French agri-tech startup that develops innovative, environmentally friendly spraying systems for vineyards. Their main product, the Wulp® boom, reduces chemical drift by over 90%, helping winegrowers spray more precisely and sustainably.
Sirius NeoSight — Sirius NeoSight is a biotech and pharmaceutical company that detects subclinical neo-cancers and provide treatment for it.

TDK Ventures is a corporate venture capital firm investing globally in early-stage, impact-scaling, tech startups.

Investment focus

Manufacturing, Renewable Energy, Semiconductor
Funding Round, Series A, Series B
United States, India, Canada

Portfolio highlights

Tulum Energy — Discover how Tulum Energy harnesses methane pyrolysis technology to transform machinery and produce substantial volumes of clean hydrogen, driving innovation and sustainability in the energy sector.
Spiritus — Redefining direct air capture.
Rodatherm Energy — A geothermal company that plumbs its boreholes with a closed loop

Investing in early-stage deep-tech software/hardware companies run by visionary and tenacious founding teams.

Investment focus

Software, Machine Learning, Artificial Intelligence
Seed, Series A, Series B
United States, Germany, United Kingdom

Portfolio highlights

Jua — A new paradigm in weather forecasting. AI learning physics. Delivering accuracy beyond expectation. Covering use cases beyond belief. Accessible to everyone, wherever in the world they are. The world's first end to end deep learning model for weather forecasting, delivered on an intuitive platform for anyone to customise it. Startups,governments and large companies alike can now develop global, high frequency and high accuracy weather models within days.
Halter — Halter creates GPS enabled, solar powered collars for cows. The collar hardware allows farmers to use simple tablet app software to remotely set geographic boundaries for cattle, virtual fences. Farmers use Halter's system to avoid physically herding cows, maximizing farmer time and productivity.
Chef Robotics — Chef Robotics | Empowering Humans to Do What They Do Best

The Industrial Development Corporation of South Africa Ltd (IDC) is a national development finance institution set up to promote economic growth and industrial development.

Investment focus

Renewable Energy, Mobile, Energy
Debt Financing, Series A, Funding Round
South Africa, Canada, Sweden

Portfolio highlights

AMEA Power — Founded in 2016, AMEA Power has assembled a leading team of global industry experts to deliver clean energy projects across Africa, the Middle East and other emerging markets.
Pele Energy Group — Pele Energy Group owns and runs renewable energy infrastructure in addition to providing economic and community development consulting services.
Pele Green Energy — Pele Green Energy is an Independent Power Producer that develops, owns, procures, builds, and operates renewable energy power projects, including Small Scale Embedded Generation and utility scale power plants, and is the leading South African Independent Power Producer in the Renewable Energy Independent Power Producer Procurement, REIPPPProgramme.

Diane Ries

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Eurefi is contributing fully to the development of a new cross- border economic area.

Investment focus

Manufacturing, Precious Metals
Funding Round
Luxembourg

Portfolio highlights

Saturne Technology — Saturne Technology is specialized in laser-cutting, laser-drilling, laser-welding and laser-cladding, using a manufacturing process by Selective Laser Melting (SLM) (i.e. metallic 3D-printing using fine metallic-powder bed).

Gérard Schockmel

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Akiles is a Belgian Evergreen Investment Company focussing on Growth Capital. Managed by Christophe Rousseaux, Kurt Huyghe, Laurent Puissant Baeyens and

Investment focus

Health Care, Software, Wellness
Funding Round, Private Equity, Series A
Belgium, France, Luxembourg

Portfolio highlights

HYPNO VR — HypnoVR is a virtual reality software for anesthesia, treatment of pain, and anxiety. It was founded in 2016 and is based in Strasbourg, France.
moonbird — Slow breathing is the easiest way to relieve stress and promote relaxation. Moonbird makes it intuitive and easy to do breathing exercises.
Saturne Technology — Saturne Technology is specialized in laser-cutting, laser-drilling, laser-welding and laser-cladding, using a manufacturing process by Selective Laser Melting (SLM) (i.e. metallic 3D-printing using fine metallic-powder bed).

start-ups, SMEs, technology, co-investment

Investment focus

Biotechnology, Health Care, Information Technology
Pre-Seed, Seed, Funding Round
Germany, The Netherlands, Austria

Portfolio highlights

Filuta AI — Operationalized Composite Artificial Intelligence
Resistell AG — Resistell is a antibiotic resistance test.
iThera Medical — Explore optoacoustic imaging technology for non-invasive in vivo visualization and quantification of disease-related tissue biomarkers.

Andia Shtepani

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Family Office

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Our CEO Urban is a C-level executive with three decades of global experience in communications, media and technology. He is responsible for taking the vision to action with the Greenworlder team. He is also a senior advisor in business and private equity and business angel with scalable media platform and sustainable start-ups. On his free time,Urban can be found running, cycling, and spending time with his family.https://greenworlder.com/urban-gillstrom/

Investment focus

Marketing, Journalism, Social Media
Seed
Finland, Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.
Videobot — Grow your business with personalised video funnels that engage your audience with human interaction, capture leads, guide your users, enhance customer satisfaction and increase conversion rate.Short videos have already become dominant across social media platforms. Now, this beloved user experience is available on company websites as well. The applications are vast and varied. Discover how it all works by reserving your own presentation slot.
EatAndTheCity — EatAndTheCity helps international newspapers, magazines, local media & food guides monetise the influence of their content. We enhance the communication between local communities and local media. Their revenue generating restaurant journalism platform for media companies allows users to not only discover but to reserve gastronomic experiences.EatAndTheCity’s white label platform already collaborates with leading companies in Finland and Estonia and Germany. Media and publishing companies are able to leverage their connection with local communities to generate new revenue streams. Combining these features and the business model in cooperation with local media companies differentiates us from the competitors.

William is an experienced engineer with a broad background including forestry, the energy sector and IT start-up ventures. He has a wide experience in taking projects from idea stage through development to launch and all the way to market. In Greenworlder, William has been the driving force behind turning Peter’s vision into reality.https://greenworlder.com/william-ahlefeldt/

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

Chemical, Advanced Materials, Cosmetics, Recycling, CleanTech, Plastics and Rubber Manufacturing, Nanotechnology, Biosciences

Investment focus

Health Care, Manufacturing, Information Technology
Funding Round, Seed, Series A
Belgium, France, Luxembourg

Portfolio highlights

Aloxy — Aloxy offers reliable IIot solutions tailored to the needs of the process industry. Our valve sensor provides an open and close indication of manual valves.
Fyteko — For a more sustainable agriculture
Graftys — Graftys, an Aix-en-Provence, France-based early stage company focused on advanced bone biologics.

BONVENTURE empowers impact-driven founders and impact investors across DACH with capital, expertise, and a strong network for true impact and return.

Investment focus

Health Care, Software, SaaS
Funding Round, Seed, Series A
Germany, Austria, Estonia

Portfolio highlights

ScrapBees — ScrapBees is a pick-up service for the recycling of scrap metal from commercial businesses and private households.
project bcause — project bcause is a digital platform where individuals can fund good projects in a flexible and collaborative manner, ranging from donations to investments. project bcause is headquartered in Berlin, Germany and was founded in 2021.
Vivira — Vivira Health Lab focuses on making physical rehab programs available to everyone.

Welcome to the home of Climate Tech. We are a full service ecosystem empowering sustainable start-ups to scale through community, investment, innovation and workspace.

Investment focus

Renewable Energy, Sustainability, Biotechnology
Pre-Seed, Seed, Funding Round
United Kingdom, Israel, Luxembourg

Portfolio highlights

PlantSea — PlantSea manufactures and develops sustainable products using seaweed and aquaculture materials. It offers bioplastics items as biodegradable alternatives. PlantSea is based in Gaerwen, England.
Uplift360 — Uplift360 is a greentech startup working in advanced material circular economy (redesign, reuse, regenerate and recycle), uniquely focused on the defence and security sector.
Danu Robotics — Danu Robotics manufactures AI guided robotic systems for sorting recyclable waste - highly accurate, modular multi-arm systems that retrofit into existing MRF operations and collates EPR data.

Family Office

Investment focus

Social Media, Social Network, Sustainability
Seed
Luxembourg

Portfolio highlights

Greenworlder — Greenworlder is a platform for sustainability. You can share and learn tips for sustainable living, reflect on your sustainable experiences, and read or write articles on sustainability.

MITO Tech Ventures is an Investment firm.

Investment focus

Recycling, Environmental Consulting
Seed
Italy

Portfolio highlights

I-Foria — i-Foria sviluppa tecnologie per il riciclo dei prodotti assorbenti per la persona usati.
Tulum Energy — Discover how Tulum Energy harnesses methane pyrolysis technology to transform machinery and produce substantial volumes of clean hydrogen, driving innovation and sustainability in the energy sector.
Tau Group — E-mobility is powered by its core - the electric motor. We at Tau are at the very core of the core: the copper winding wire, the magnetic core, the electrical steel.We just make it bet.

We are the Corporate Venture Capital of the Energy Transition Division of Tecpetrol, part of the Techint Group. We invest in disruptive technologies and ideas on hydrogen and clean fuels, CCUS, sustainable lithium extraction and processing, electrification and clean power.

Investment focus

Energy, Renewable Energy, Industrial
Seed, Series A, Series B
United States, Germany, United Kingdom

Portfolio highlights

Tulum Energy — Discover how Tulum Energy harnesses methane pyrolysis technology to transform machinery and produce substantial volumes of clean hydrogen, driving innovation and sustainability in the energy sector.
Rodatherm Energy — A geothermal company that plumbs its boreholes with a closed loop
Electrified Thermal Solutions — Electrified Thermal Solutions, Inc. is developing the Joule Hive: a new energy storage technology that converts surplus zero-carbon electricity into heat.

CDP Venture Capital Sgr - National Innovation Fund aims to make venture capital a cornerstone of the country's economic development and innovation, creating the conditions for an overall and sustainable growth of the venture capital ecosystem.

Investment focus

Software, Information Technology, Health Care
Seed, Series A, Funding Round
Italy, United States, United Kingdom

Portfolio highlights

Soplaya — Soplaya is a B2B food company connecting chefs and farmers to build a diverse, sustainable, and efficient food system.By providing data and transparency to an opaque supply chain, we help chefs to simplify purchases, get a wider selection of products and save money and farmers to increase their margins and get easy access to the market.We lovequality food as much as technology and automation. We are rebels: we love transparency and how the internet is capable of bringing the long tail to the market. We're excited about the fact that the restaurant supply chain hasn't basically changed since 40 years, and was technology reluctant for a long time, but restaurants necessities changed dramatically in the last 3 years.We’re becoming the standard layer for restaurant purchasing across Europe, by bringing transparency and simplicity in the procurement phase, increasing order frequency, promoting lean inventory and food waste reduction.
lit — Con lit puoi monitorare, quando e dove vuoi, i tuoi consumi energetici, riducendoli fino al 22%, avendo informazioni in real time sui tuoi elettrodomestici.
Tulum Energy — Discover how Tulum Energy harnesses methane pyrolysis technology to transform machinery and produce substantial volumes of clean hydrogen, driving innovation and sustainability in the energy sector.

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