Top 50 Renewable Energy Angel Investors in Europe (June 2026)

Portfolio highlights

• Montamo — Montamo trains lateral entrants with standardized methods. We rely on both our on-site academy and our digital learning software.
• Trade Machines FI GmbH — TradeMachines understands how difficult it is to trust in used machinery. They work with trustful industrial auctioneers and renowned machinery traders to ensure you receive the best connection between the two. Industrial auctions are a popular possibility to find great bargains when it comes to used machinery. In these industrial auctionspotential buyers find used equipment of companies who became insolvent or who decided to get rid of a selection of their machines. But industrial auctions are not the only way how to find the right used machines for cheap prices. Machinery traders list their offers on TradeMachines as well. As a result of the extensive offer of used machines, it is much easier and less time consuming to the find right offer.
• bunch — bunch is the operating system (OS) for private market investing, handling digital entity creation, seamless investor onboarding and portfolio management. The company's platform focuses on saving time, money and mental energy by eliminating legacy intermediaries, overwhelming regulatory complexity, and low-tech administration.Operating acrosslegal structures, asset classes and jurisdictions allows bunch to fully unlock private markets for everyone, enabling businesses and investors to make private markets easy, cost-efficient and fast.

Portfolio highlights

• Voidzero — Voidzero is a software development company that offers open source toolchain for JavaScript.
• Daytona — Deploy Al code with confidence using Daytona's lightning-fast infrastructure. 90ms environment creation, stateful operations, and enterprise-grade security.
• Dimension — The state of the art collaboration platform for modern engineering teams. Chat, project management, smart actions, and more, accelerated by AI.

Portfolio highlights

• autarc — We supercharge installers with our OS to become heat pump champions
• Heimladen — Heimladen is a renewable energy source that drives human mobility. They offer a platform that acts as a real estate partner, controls the charging infrastructure, and takes care of project planning while keeping costs low, and enabling tenants.
• Greenflash — Greenflash places a premium on quality, efficiency, and client happiness. We collaborate with world-class partners to deliver you high-quality components and cutting-edge technologies. Our customized energy solutions are tailored to your specific needs and circumstances in order to get the best potential outcome for you.

Portfolio highlights

• Granola — Granola helps you keep momentum on what matters. You stay present, Granola turns your conversations into a rich, searchable memory.
• Neptyne — Neptyne is making spreadsheets programmable
• Voltfang — We integrate used electric car batteries into a battery storage system and thus build up a decentralized storage network.

Portfolio highlights

• Voltfang — We integrate used electric car batteries into a battery storage system and thus build up a decentralized storage network.
• Heimladen — Heimladen is a renewable energy source that drives human mobility. They offer a platform that acts as a real estate partner, controls the charging infrastructure, and takes care of project planning while keeping costs low, and enabling tenants.
• Greenflash — Greenflash places a premium on quality, efficiency, and client happiness. We collaborate with world-class partners to deliver you high-quality components and cutting-edge technologies. Our customized energy solutions are tailored to your specific needs and circumstances in order to get the best potential outcome for you.

Portfolio highlights

• Enpal — Kostenlose Planung von Solaranlagen. Gewinnbringende & schnelle Umsetzung von Photovoltaikanlagen inklusive professionelle Installation & Netzanschluss. Zum Festpreis!
• memmo.me — memmo.me provides a webpage for offering and distributing personalized video messages from actors, athletes, musicians, and other talent.
• TAU Systems — TAU Systems provides medical imaging technology.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• AXO — AXO Track upgrades rail assets with retrofit predictive maintenance systems to reduce costs, increase safety, and boost productivity.
• Vamo — Vamo specializes in heat pumps and provides proficient guidance and planning, as well as rapid and easy installation.

Portfolio highlights

• Capsa AI — Providing next-generation investors with a competitive edge.
• FinCrime Dynamics — Our mission is to help make the world’s financial system safer through rapid deployment of effective AI for financial crime analytics, enabled by enriched synthetic data that captures the dynamics of fraud and money laundering and loads them into tailor-made scenarios that explore diverse threats that financial organisations are exposed to.Thisgoal has taken us to the forefront of Synthetic Data and Fincrime Analytics, and we are proud to have in our team people that have helped shape the state-of-the-art of these fields.Keywords: Finacial services, AML, Synthetic Data, Fintech, Machine learning, Big data, Simulation, Fraud Analytics, Compliance
• Applied Computing — Applied Computing delivers industrial AI to the energy industry including oil and gas, refineries, and petrochemical plants, helping critical operations harness 100% of their data and optimise in real time for safer, faster, higher-performing decisions

Portfolio highlights

• Asepha — Asepha is an AI clinical decision support (CDS) tool to help healthcare professionals make faster clinical decisions.
• ORA Technologies — E-Commerce, Super App
• THIRUMALS PAPER ARIZONA PVT. LTD. — TRADING PLATFORM OF PULP , PAPER & PACKAGING

Portfolio highlights

• Numbat — Numbat is a clean-tech company from Kempten (Allgäu). The competence lies in the development and production, as well as the operation of High-Power charging solutions with integrated battery storage system. The goal is to establish Europe's densest High-Power charging infrastructure to support e-mobility and its challenges. The battery storagereduces electricity costs and eases the burden on grids, while the integrated fast charging station allows customers/visitors/employees to fully charge their electric vehicles within 15 minutes. Depending on the location, the Numbats can be provided free of charge in a platform model. With its patented climate protection technology and multi-lifecycle approach, the Numbat is the most sustainable solutions on the market.
• ESFORIN SE — ESFORIN SE is a fully digital energy company, offering modularly integrable energy solutions – for both, power and gas.
• Efficient Energy Technology — Efficient Energy Technology makes renewable energy simple, safe, and dependable for everyone. Efficient Energy Technology develops a small power plant consisting of photovoltaic and storage for complete self-installation.

Portfolio highlights

• autarkize — autarkize scales a market-ready system technology with which a high-quality gas made of methane and hydrogen is extracted decentrally from residues.
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• LastSwab — LastSwab launched May 2019 through the crowdfunding platform Kickstarter. At $16 a swab, LastSwab is meant to last at least 1,000 uses and is the easy-to-clean, reusable alternative to the abundant waste caused by single-use swabs around the globe. The tip of the swab is made from medical silicone and nylon and comes in a biodegradable case made ofa corn-based material. LastSwab can be easily cleaned using soap and water and is also dishwasher safe. It comes in a standard swab for cleaning and a pointed swab for makeup application. Be the change and #SwabYourHabits.
• LastObject — LastObject is a Danish manufacturing company, based in Copenhagen that sells sustainable products online and in retail globally. Having been launched in 2016, it launches new products through crowdfunding campaigns on Kickstarter and Indiegogo. The company is best known for producing LastSwab, a reusable cotton swab.

Portfolio highlights

• Balio — Personal Finance Manager and Investing
• Rauda AI — Rauda is an artificial intelligence platform specialized in automating customer service with the best customer experience. Take a quantum leap in productivity, reduce costs and improve customer satisfaction with the power of generative artificial intelligence.
• Solfy — Solfy is a Marketplace for self-consumption of solar energy.

Portfolio highlights

• Splitfy — Splitfy is the perfect app to collect money from your plans Group.
• Solfy — Solfy is a Marketplace for self-consumption of solar energy.
• Housfy — Housfy develops a digital platform designed to sell flats and houses between private individuals. The company's digital platform eliminates intermediation in the sale of houses, offering all the necessary tools for sellers and buyers to connect directly online, enabling home buyers and sellers to avoid traditional agencies and save brokeragefees.

Portfolio highlights

• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.

Portfolio highlights

• fynk — Create, edit, negotiate and sign contracts quickly with fynk. Give your team back valuable time. Test it now for free!
• reebuild — reebuild is the developer of an online application for construction companies designed to automate material procurement and logistics. Their digital infrastructure platform connects construction companies, industry, and trade, enabling clients to build their invoices and environmental data in a secure cloud and take over administrative processes inthe background.
• Viora - visible through confidence — Ada Growth is on a mission to put a mentor in every woman's pocket. We combine AI with microlearning to provide professional growth and development tools for women in the workplace and help companies attract, retain, and grow female talent. Download the Ada App today!The Ada App is a microlearning app that provides 2 minute short formvideos, miniquizzes, action items, and summaries that lead to long-term behavioral changes in the workplace. It also contains a digital mentor that can provide dynamic coaching in the spirit of the Ada App library of content, so that Ada App users have access to casual lessons when they have a few minutes a day as well as immediate feedback for any upcoming situation.Ada Growth serves the B2B enterprise and SME space primarily to companies with over 400 employees. We sell a professional growth / EdTech / L&D solution to HR, Employee Training and DEI administrators. We are vertical agnostic and provide a growth experience for both white collar and blue collar workers. Most EdTech solutions tend to flow to the corporate office layer of an enterprise, where this is a saturation of resources available. Many of our users have not been given professional growth tools purposefully built for them before or made flexible for their lifestyle, unlocking value for both the employee as well as the employer.We are the first enterprise-ready professional EdTech solution built specifically for women.

Portfolio highlights

• Peimi — Peimi is the definitive tool to automate the calculation of commissions. We integrate with the main CRM and ERP to obtain the data and display it in a safe and friendly environment for sales, HR and finance people to review and approve incentives. We integrate with the main CRMs and ERP on the market (Hubspot, Salesforce, Pipedrive...)
• Mas Leads — Mas Leads Technologies, through its SaaS (Software as a Service), assists B2B firms' Marketing and Sales Departments in obtaining the best real-time data on new potential clients in national and international marketplaces, thereby automating the lead creation process.
• Hoop Carpool — Hoop Carpool is a SaaS Carpooling Platform for Companies, Universities and Citi-halls

Portfolio highlights

• Kickscale — The AI-powered conversation intelligence platform records, transcribes, and analyzes meetings to provide tailored training recommendations to every sales rep
• VoiceLine — VoiceLine is AI-powered field sales revenue intelligence. Document any customer interactions in seconds, get actionable insights and boost sales performance. Start today!
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• Zeigo — Zeigo by Schneider Electric provides sustainability software for efficient carbon reduction and supply chain decarbonization, aiming for a carbon-free future.
• RootWave — RootWave is an electronics company that develops tools that kill weeds it enables farmers to control weeds on their farm. Its technology is an alternative substitute for herbicides and other weed control chemicals. The company was founded in 2012 and headquartered in Warwickshire, United Kingdom.
• CoCooking — CoCooking uses food and cooking to create ample opportunity for dialogue and thought, fostering creativity, diversity, and well-being of individuals and communities.

Portfolio highlights

• Carsell — Carsell is an automotive company that offers turnkey service solutions for their car. The company supports the entire process of selling used vehicles between individuals and frees them from all the constraints and sources of stress associated with it Carsell was founded by Morgan Petitjean in 2021.
• Electra — Electra is a platform that provides Charging stations Ultrafast for electric vehicles.
• Sharelock — Sharelock is the first shared locks network in the world. They develop, deploy and operate an innovative secured shared lock infrastructure in partnership with city authorities and mobility operators to massively enable active mobility. Based on mobility expertise and proprietary data, they also develop disruptive insurance products.

Portfolio highlights

• KWOTA — Kwota offers digital validation and trading services for recycled material CO₂ emissions.
• PayQin — Vous allez aimer payer en ligne
• Detail — Record and edit videos with Detail for iOS and macOS. Everything you need to create videos and podcasts, fast. Download for free on the App Store.

Portfolio highlights

• GreenSpur Wind — Time To ACT plc supports the global transition to Net Zero through the development and commercialisation of world-beating clean technologies

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.

Portfolio highlights

• Otark GmbH — Otark GmbH specializes in digitalizing green energy trading and is setting new standards in the industry. With a clear focus on neutrality and transparency, Otark is making trading in renewable energy more accessible. The company offers a fully digitalized platform that seamlessly integrates procurement and billing processes. As a result, Otarkenables straightforward and efficient processing of green energy transactions for every company, from industrial groups to SMEs.Otark aims to accelerate the energy transition by making it easier for its customers to access green electricity and simplify the management of their energy contracts through state-of-the-art digital solutions. Otark stands for innovation, neutrality, and reliability.
• Phonedeck — Phonedeck integrates mobile and video calling inside Salesforce. It is the first CTI solution for smartphones that makes it possible to remote control and track calls under the ‘real’ mobile number using regular carrier minutes. Phonedeck helps enterprises to manage and optimize business processes. The results are a large costs saving due tomobilizing sales teams and increasing the productivity.Phonedeck is Alcatel-Lucent and ISV Salesforce partner. In 2012 Phonedeck’s founder Prof. Dr.-Ing. Frank Fitzek was awarded with the Vodafone Innovation Prize. Alcatel-Lucent awarded Phonedeck during its Munich Hackathon in June 2014 as Innovative Leader in IMS. In January 2015 Phonedeck has won Disruptive Innovator 2015 award at Enterprise Mobility Management Forum.Phonedeck´s supporters are business angels, the IBB bank of Berlin and the venture capital fund Atlantic Internet.

Portfolio highlights

• Invinity Energy Systems Plc — See what makes Invinity the world's leading manufacturer of utility-grade energy storage - safe, economical & proven vanadium flow batteries.

Portfolio highlights

• MARCLEY — MARCLEY provides a system that enables multi-family building apartment owners to utilize solar energy on their roofs without any financial commitment or additional effort. The generated green power is sold at a cheaper cost than the local basic utility.

Portfolio highlights

• Renew Risk — Renew Risk offers science-driven risk analytics and products to secure renewable energy infrastructure and support the energy transition.

Portfolio highlights

• Qkera — We develop drop-in solutions improving battery technologies and advancing future energy storage.

Portfolio highlights

• Qkera — We develop drop-in solutions improving battery technologies and advancing future energy storage.

Portfolio highlights

• Qkera — We develop drop-in solutions improving battery technologies and advancing future energy storage.

Portfolio highlights

• ALVA Energie — Alva delivers turnkey solar systems with integrated energy, heating, and e-mobility for buildings

Portfolio highlights

• feld.energy — feld. energy enables farmers to produce sustainable energy without sacrificing agriculture.Agri-PV is a solution that brings benefits to all parties.
• ALVA Energie — Alva delivers turnkey solar systems with integrated energy, heating, and e-mobility for buildings

Portfolio highlights

• Fibersail — “If you cannot measure it, you cannot improve it” (William Kelvin)Fibersail develops a shape sensing system based on FBG fiber optic research and development to monitor and analyze wind turbine blades in terms of shape, condition, and behavior. The real-time information provided by our system will help wind turbine operators maximize performanceand availability while preventing failures and minimizing maintenance costs from their assets.Our unique solution and approach with fiber optic sensors make it possible for a very easy and simple integration along the entire length of any critical structure ensuring the monitoring of its precise shape and behavior.Fibersail - Shaping the structures of tomorrow.

Portfolio highlights

• Cycle — Cycle was founded with the mission of building innovative ultrafast laser technology for science and industry that excels through performance and reliability in application.A versatile team, backed with decades of expertise in laser technology and system integration, works closely together with applicants to plan and install solutions foractive environments. Cycle's team offers comprehensive consulting, service and support to realize the best match for your requirements.
• METALSALE — Metalsale builds a digital trading platform that allows non-ferrous metal scrap to be traded easily, lucratively and safely. They are a team with many years of experience in recycling and technology companies and know the problems that need to be solved.

Portfolio highlights

• Holyvolt — Our mission is to provide the world with high-efficiency renewable energy solutions at an affordable cost and with minimal environmental impact.
• MAJORITY — MAJORITY is the first digital financial service dedicated to serving migrants worldwide. For $5 a month, MAJORITY members in the U.S. receive an FDIC-secured account, VISA® debit card, use of more than 55,000 ATMs across North America, remittance and international calling, native language advisors, and access to our network of community meet-upspaces, local discounts and events. With MAJORITY, there are never overdraft fees or minimum balance requirements. MAJORITY was started in Sweden by a diverse team of banking, fintech, payments, and telecom executives serving immigrant communities globally for the last 15 years. MAJORITY’s U.S. headquarters are in Houston, Texas.
• Gilion (Formerly Ark Kapital) — Ark Kapital is a precision financing company that empowers technology businesses to grow faster, enables owners to maintain control, and reduces risk for investors. ArK is founded by a world-class AI technology developer, a six-time-founder, and the veteran banker you always wanted.

Portfolio highlights

• Allone — Allone develops a free alarm application that aims to create a safer environment for all. The application enables its users to let specific people follow their movements and alert people nearby or their close ones, if there is an emergency.Allone allows its users to create different groups for personalized alarms. It also provides preselectedcontacts the ability to see its users’ exact location and enables them to get involved and help other Allone users.Allone was launched in 2015 by Anders Paulson and is based in Sweden.
• Epishine — Epishine's goal is to be able to provide the world's most scalable, resource efficient, and affordable solar modules. Epishine sells light energy harvesting modules to manufacturers of wireless products. The modules are used to harvest light in any lighting conditions, turning light into usable power.
• Lightdash — Connect your dbt project to Lightdash and allow everyone to answer their own data questions. Built for analysts and the modern data stack.

Portfolio highlights

• Enzai — Enzai's AI governance platform allows you to build and deploy AI with confidence. Measure your progress in AI responsibility, and get actionable steps with our 3-minute maturity assessment.
• Gladia.io — 1 stop shop AI API hub for developers
• Hyperline — Enjoy the most flexible billing platform for B2B SaaS businesses. Start today without a single line of code.

Portfolio highlights

• Eternal Power — Eternal Power is a globally integrated mass production of green hydrogen and derivatives such as sustainable fuels.

Portfolio highlights

• MARCLEY — MARCLEY provides a system that enables multi-family building apartment owners to utilize solar energy on their roofs without any financial commitment or additional effort. The generated green power is sold at a cheaper cost than the local basic utility.

Portfolio highlights

• avoltra — Avoltra aims to position itself as an "intelligent energy purchasing solution" by leveraging advanced technology and data-driven insights to optimize energy procurement.
• Rulemapping Group — Rulemapping Group is a rule-based AI platform that enables a level of end-to-end automation for rule-based processes. Automated decision-making solutions for digital legislation, administrative operations, legal procedures, and regulatory compliance.
• Atmen — Atmen, formerly known as Point Twelve, automates hydrogen and e-fuels certification, saving you up to 90% time in the process.

Portfolio highlights

• avoltra — Avoltra aims to position itself as an "intelligent energy purchasing solution" by leveraging advanced technology and data-driven insights to optimize energy procurement.
• Atmen — Atmen, formerly known as Point Twelve, automates hydrogen and e-fuels certification, saving you up to 90% time in the process.

Portfolio highlights

• NewLimit — NewLimit is extending human healthspan by unlocking regenerative potential.
• Cortex — Cortex makes it easy for engineering organizations to gain visibility into their services and deliver high quality software.
• Rivan Industries — Rivan Industries designs and builds modular, vertically integrated, synthetic fuel plants.

Portfolio highlights

• CollectiveCrunch — CollectiveCrunch is an AI leader in the forestry industry. We collect and analyze a wide range of information, including climate, geo and process data, to bring best-in-class forest inventories and accurate carbon storage calculations to our customers. The largest forest owners the Nordics and Baltics are already using using our solution, LindaForest.With Linda Forest, our customers gain actionable insights, leading to improved forest management, informed forest investments and up-to-date carbon storage analytics. Overall, Linda Forest can reduce forest planning costs while increasing accuracy. We are currently focused on the Nordic and Baltic countries but are soon adopting the solution to Northern America, Russia and other forestry markets. Moreover, we are working with insurance companies to apply our expert analytics to new opportunities such as prediction of forest risk.

Portfolio highlights

• Empion — EMPiON – The Robo Advisor for Cultural FitEmpion is a data-based job platform that matches companies and applicants based on company culture, values and skills. Using an AI-based Robo Advisor, Empion quantifies company culture and implements automated headhunting.Every second employee is currently thinking about a job change. The 5 mostimportant factors for job satisfaction have to do with company culture and values. And yet, company culture remains largely ignored on customary job portals. The results for companies and applicants are inefficient hiring processes and high employee turnover.Our vision is bringing company culture to every hire in the world.For more information visit www.empion.de
• MARCLEY — MARCLEY provides a system that enables multi-family building apartment owners to utilize solar energy on their roofs without any financial commitment or additional effort. The generated green power is sold at a cheaper cost than the local basic utility.
• Widgetbook — Widgetbook is an open source tool for organizing widgets in Flutter. It accelerates UI development and improves the collaboration between developers, designers and clients.

Portfolio highlights

• Palm — Cash Management for the Modern Treasury
• Kontigo — We help underbanked gig workers in Latam build credit and access group financing where small groups of family or friends lend and save money together. Users can validate their income from multiple sources such as gig apps, catalog sales, and open finance (Uber, Rappi, Didi, Indriver, Avon, and all major banks). After verifying the income wedirectly offer them group savings and group loans, without leaving WhatsApp, their primary messaging app.
• Keyring Network — Blockchain compliance solutions for the financial sector.

Portfolio highlights

• Graswald — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
• YGO.AI — YGO Trips revolutionizes the travel booking experience with our AI-driven platform, providing a seamless, all-in-one solution for planning your perfect getaway. Our innovative platform streamlines your holiday planning by offering an extensive selection of flights, hotels, mobility services, activities, concerts, and festivals & more all inone convenient location. With YGO Trips, you have the power to tailor your holiday to your exact preferences, creating a personalized itinerary that aligns with your desires.Leveraging cutting-edge AI technology, YGO Trips discerns your preferences to suggest events and activities that resonate with your interests, ensuring every aspect of your trip is as enjoyable as possible. It's not just about booking a trip; it's about crafting the unique holiday experience that you've always dreamed of, effortlessly and all from one provider.
• YOUTH — Full health check-up in less than 2 minutes!

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.

Portfolio highlights

• Meatable — Meatable is a food production company that produces real and guilt-free meat. With one cell, they are revolutionizing the meat industry's impact on climate change and animal welfare. At the same time they increase food security, without compromising the culinary experience of eating tasty, real meat. They aim to satisfy the world'sappetite for meat without harming people, animals, and the planet.It was founded in 2018 and is headquartered in Delft, South Holland, The Netherlands.
• Open Cosmos — Open Cosmos design, build and operate space missions, providing straightforward access to high quality satellite data and insights on a global scale.
• Unearthly Materials — Unearthly Materials is a transformative materials company focused on delivering practical room-temperature superconductors and powering the century of superconductivity.

Portfolio highlights

• OCELL — Building the Operating System of Sustainable Forestry
• Predium — Predium is the software platform for real estate owners to measure, manage and communicate their ESG performance.
• Voltfang — We integrate used electric car batteries into a battery storage system and thus build up a decentralized storage network.