Top 50 Renewable Energy Angel Investors in Germany (July 2026)

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

• 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

• Graswald AI — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
• 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.
• DEALCIRCLE — DealCircle is a digital M&A solution and partner of hundreds of M&A advisors. We support in identifying buyers and addressing the market. This provides investors access to a comprehensive deal flow of relevant projects.

Portfolio highlights

• Entrix — Entrix is an optimisation and trading platform for grid-scale battery storage that accelerates the transition towards a clean energy future. Our mission is to enable the most effective use of green energy and to ensure the reliability of the future energy system. We provide state-of-the-art technology and services to both asset owners and potentialinvestors across the globe.
• Admi — Admi is a government technology company that helps towns and municipalities develop and operate photovoltaic systems on public lands.
• feld.energy — feld. energy enables farmers to produce sustainable energy without sacrificing agriculture.Agri-PV is a solution that brings benefits to all parties.

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

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

Portfolio highlights

• Scripe — Create viral LinkedIn posts in seconds with AI. Scripe is your personal branding workspace to create content 10x faster.
• Kickscale — The AI-powered conversation intelligence platform records, transcribes, and analyzes meetings to provide tailored training recommendations to every sales rep
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• AXO — AXO Track upgrades rail assets with retrofit predictive maintenance systems to reduce costs, increase safety, and boost productivity.
• Co-Power — Energiekosten durch Batteriespeicher senken - ohne eigene Investition, operativen Aufwand oder Risiko.
• hellgrün — hellgrün is a green-tech company that operates PV systems and helps to build simple, smart, sustainable green energy.

Portfolio highlights

• SKYSEED — Mit Drohnen und Saatpellets
• 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

• Werover — Wind Turbine Blade Health Monitoring System | Werover

Portfolio highlights

• Amperecloud — ampere.cloud is Renewables & Environment company

Portfolio highlights

• HyperHeat — HyperHeat is building a cutting-edge, all-electric heating solution designed to reach temperatures of up to 2,000°C. Using renewable electricity HyperHeat is providing an efficient alternative to fossil fuel combustion. With an efficiency rate of up to 98%, HyperHeat is ideal for retrofitting industrial processes, enabling significant CO2reductions across industries like steel, cement, and chemicals. The scalable technology offers a cost-efficient approach to decarbonizing thermal processes, with a potential to reduce global CO2 emissions by over 4.5 gigatons annually.

Portfolio highlights

• Gixel — Creating breakthrough AR display technology for AI glasses and spatial computing.
• 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.
• BLOCKS — BLOCKS deploys an AI agent to monitor cloud usage patterns continuously. The agent identifies wasteful resource allocations and applies real-time optimizations autonomously. It differs from dashboards by taking direct action instead of just alerting users.

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

• awamo — awamo offers a mobile, biometric core banking system (SaaS) to microfinance institutions in sub-Saharan Africa. It is affordable, easy-to-use, and platform independent.Using this platform 300+ institutions serving 450,000+ consumers are being connected. Going forward, they will be able to additionally sell partner products & services,generating additional revenue and fostering local economic growth. The market awamo serves accounts for more than 600m individuals in sub-Saharan Africa – only considering awamo’s core services. In awamo's target markets, there are already more than 16,000 MFIs operational with more than 210,000 staff serving 53m+ consumers. Besides, the microfinance sector grows at >10% p.a. and Africa’s population is about to more than double to 2.4bn people until 2050. Currently, Awamo serves 300+ institutions with 450,000+ consumers in Uganda and Kenya. Month-over-month more than 150,000+ transactions are being processed, moving more than 7m EUR through the platform.
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• klarx — klarx is the leading platform for construction equipment rental in Europe, enabling the energy transition currently underway. klarx is revolutionizing the way machines are rented and used, which in turn is enabling the massive expansion of solar energy in Germany. So far, klarx has served over 6.800 customers and has operated more than 330k rentaldays. Through the vast network of 4.900 supplier stations and our logistic centres, we can ensure that machines are travelling less than 50km to the construction site and are always used with the highest utilization rates. After successfully building up the klarxManager software and network business, klarx has launched two logistic centres in Europe and plans to open another 9 logistic centres across Europe within the next three years. klarx has already raised over 23.7 Mio. € from investors like Target Global, Lukasz Gadowski, the Flixbus founders and the B&C Holding.
• Mercanis — Source services smarter and drive automation along your source-to-settle process. Discover how Mercanis enables you to collaborate with best-in-class suppliers across your departments.

Portfolio highlights

• elvah — elvah provides flat rates for charging the electric car by fixing a monthly fee.
• CleanHub — Become plastic neutral with CleanHub and prevent ocean bound plastic before it can cause damage
• nilo.health — nilo is a workplace mental health solution. Provide your employees with easy access to 1:1s with 500+ psychologists, group workshops, and more.

Portfolio highlights

• Pazls — Design your custom furniture with the modular Pazls system - from the comfort of your couch. With our intuitive 3D Configurator on pazls.de you put your Furnishing wish playfully around. And if something changes with you, you can always order new modules or redesign your furniture. It's never been easier: you do not need tools for Pazl'sfurniture. Incidentally, we only use wood from European forestry for our furniture. The materials and finishes are durable and durable. This applies to our patented Pazls Snap connection anyway: 100 connection processes are no problem at all.
• Xentral — Xentral is a comprehensive business software that enables modern teams to map and manage their products and services centrally and thus share them with the world even more successfully.Startups and established companies from all industries use Xentral to access more than 1,000 functions in the areas of sales, product, logistics, finance, team,and project management. From order processing to delivery, Xentral takes over the most important processes and offers its users an intelligent platform for organizing the business areas. For example, Xentral simplifies customer communication, automates the pick-pack-ship process, controls production, avoids errors in accounting, and offers interfaces with almost all shops, marketplaces, fulfillers, and suppliers worldwide. Xentral offers its business platform as a commercial version Xentral Home in three different packages from 65 euros per month.
• DARV studios — DARV studios has designs and manufactures purse, wallet, laptop, and mobile and tablet pouch and accessories.

Portfolio highlights

• CodeWords —
• fonio.ai — Founded in Vienna in 2024, fonio.ai provides AI-powered phone assistants that automate customer communication 24/7. The platform answers calls, forwards inquiries, books appointments, and integrates with CRM and ERP systems, while every interaction is transcribed and can be stored, shared, or connected to existing tools.
• Clarifeye — Clarifeye is a software development company that offers an augmented reality-based surgical navigation tool.

Portfolio highlights

• Arogga — Arogga App is the first Bangladeshi app that brought healthcare system to your doorstep. Easy and efficient. With a click of a button, upload your prescription and we will ensure safe delivery of your medicine at earliest possible time.
• GoZayaan — Welcome to GoZayaan, the ultimate online platform for next generation traveling! We aim to put you in charge of your travel plan. Your dream trip is just a few clicks away, with GoZayaan!
• Frequenz — Frequenz empowers developers with innovative tools to orchestrate Decentralized Energy Resources (DERs) efficiently. Join us revolutionizing the way the world manages power.

Portfolio highlights

• Voltfang — We integrate used electric car batteries into a battery storage system and thus build up a decentralized storage network.

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• NeoCarbon — NeoCarbon reverses climate change by dramatically cutting costs of Direct Air Capture leveraging cooling towers around Europe. By retrofitting existing infrastructure without impacting their original function, the time and cost needed to set up a carbon capturing system is improved by up to 10x.

Portfolio highlights

• Sunvigo — Sunvigo provides you with cheap solar power from your roof and real green power from the grid.

Portfolio highlights

• ABSORA —
• Arctis AI — Arctis AI develops an AI platform to manage building contracts. It transforms difficult papers into useful insights for project teams.
• Holy Technologies —

Portfolio highlights

• Gixel — Creating breakthrough AR display technology for AI glasses and spatial computing.
• Minitap — Minitap is an AI-driven mobile development company that assists with monitoring mobile devices.
• BLOCKS — BLOCKS deploys an AI agent to monitor cloud usage patterns continuously. The agent identifies wasteful resource allocations and applies real-time optimizations autonomously. It differs from dashboards by taking direct action instead of just alerting users.

Portfolio highlights

• Along AI — Join our waitlist and try it first!
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• finres — finres is a science-based firm that uses artificial intelligence, big data, and research to increase food system resilience in the face of climate change by making investment decision-making robust and quick, as well as providing a comprehensive algorithmic solution for recognizing and assessing climate risks in order to prioritize adaptationefforts.
• kolum.earth — EU companies importing cement, iron and steel, aluminium, fertilisers, electricity or hydrogen from non-EU countries can use the kolum.earth software solution to create their Carbon Boder Adjustment Mechanism (CBAM) reporting, measure carbon emissions attached to their imports, and communicate with their non-EU suppliers to become fully CBAM-compliant.
• forward earth — Next-Gen carbon management for a sustainable future. AI-driven, automated, compliant, fast, and secure. Be prepared for requirements of CSRD, SFRD, EU-Taxonomy, and kick-start your carbon reduction and abatement program. White-label options for partners.

Portfolio highlights

• Droidrun — Droidrun is a cutting-edge software development company that specializes in creating innovative solutions enabling AI agents to seamlessly access and control smartphone applications. By leveraging advanced artificial intelligence and machine learning algorithms, their software facilitates smooth interactions between AI systems and mobile devices,empowering agents to autonomously navigate, operate, and optimize a wide range of apps on both Android and iOS platforms.
• Optimeleon — Optimeleon is an AI-led firm that replaces manual A/B testing with AI helping create personalized page variants.
• BLOCKS — BLOCKS deploys an AI agent to monitor cloud usage patterns continuously. The agent identifies wasteful resource allocations and applies real-time optimizations autonomously. It differs from dashboards by taking direct action instead of just alerting users.

Portfolio highlights

• GrabrFi — GrabrFi provides access to US banking and all of its resources and possibilities and finances, life to the next level.
• Enginy — Instantly aggregate real-time B2B data from 30+ sources and enrichment tools, and scale personalised outreach using our AI sales agent.
• Imperia — Supply Chain Planning: demand, production and purchasing software. Reduce inventory, improve productivity and service levels.

Portfolio highlights

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

Portfolio highlights

• Admi — Admi is a government technology company that helps towns and municipalities develop and operate photovoltaic systems on public lands.
• Aurora Health — Aurora Health has develops digital technologies to improve mental health care for clients and practitioners.
• Mobile Healthcare Solutions — At-Home Wellness Tracker

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

• Stackgini — Softwaregini provides an enterprise SaaS platform that simplifies the software selection process for businesses by bringing together buyers and sellers on one platform. Our fully integrated workflows help our clients from requirements engineering until the decision. Softwaregini uses AI and community data to automate and improve the selectionprocess, saving time, reducing costs, and fostering a collaborative ecosystem for all stakeholders. Find more information on softwaregini.com
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

Portfolio highlights

• Werover — Wind Turbine Blade Health Monitoring System | Werover
• ForFarming — Smart Agriculture for a Healthy Future
• Plastic Move — Plastic Move engages in the production of bio-based and bio-degradable bioplastics made of waste bread.

Portfolio highlights

• Werover — Wind Turbine Blade Health Monitoring System | Werover
• FormaStar — FormaStar is a Sports-focused digital ecosystem.
• Innovasion Labs PINC — Next Generation of Energy Storage

Portfolio highlights

• HyperHeat — HyperHeat is building a cutting-edge, all-electric heating solution designed to reach temperatures of up to 2,000°C. Using renewable electricity HyperHeat is providing an efficient alternative to fossil fuel combustion. With an efficiency rate of up to 98%, HyperHeat is ideal for retrofitting industrial processes, enabling significant CO2reductions across industries like steel, cement, and chemicals. The scalable technology offers a cost-efficient approach to decarbonizing thermal processes, with a potential to reduce global CO2 emissions by over 4.5 gigatons annually.

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

• 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.
• Nox Mobility — Nox Mobility is a transportation company that operates sleeper trains and private cabins for travel and tourism sectors.
• YOUTH — Full health check-up in less than 2 minutes!

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

• Carbonstack — Carbonstack uses emissions offsets to accelerate the transition to CO2 neutrality.

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 — 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

• Gixel — Creating breakthrough AR display technology for AI glasses and spatial computing.
• 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.
• feld.energy — feld. energy enables farmers to produce sustainable energy without sacrificing agriculture.Agri-PV is a solution that brings benefits to all parties.

Portfolio highlights

• KONUX — KONUX combines Machine Learning algorithms and IoT to deliver software-as-a-service solutions for operation, monitoring, and maintenance process automation
• SINN Power — SINN Power develops innovative wave energy technology to supply people worldwide with clean and reliable energy from ocean waves.

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.
• NetBird — Wiretrustee is an open-source VPN platform built on top of WireGuard® making it easy to create secure private networks for your organization or home. It requires zero configuration effort leaving behind the hassle of opening ports, complex firewall rules, VPN gateways, and so forth.
• 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

• 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

• 5Mins — 5Mins is the new microlearning platform that helps your employees build in-demand skills fast with AI-powered personalisation and advanced gamification.
• Vetic — Vetic Pet Clinic provides human-grade pet healthcare across 65 clinics & 11 cities in India. Pet grooming, consultation, pet surgeries, pet supplies at Vetic.
• Doorstead — Doorstead has redefined the industry by providing an upfront rental guarantee to landlords regardless of vacancy. Doorstead eliminates the headaches, friction and uncertainty involved with owning and managing long-term rental property. Its application of data and technology enables the company to provide steady cash flow to landlords, and superior service to both landlords and tenants alike.

Portfolio highlights

• Certivity — Certivity offers software to model digital regulatory twins of their products. This will ensure that current regulatory requirements are integrated in the right place in the engineering process. Product compliance will be smarter, safer, more transparent, more efficient, and significantly cheaper.
• DeepDrive — We are DeepDrive. We are powered by fusion. Absolute professionalism mixed up with our deeply rooted urge to discover. Deep expertise meets revolutionary innovations.
• Leegle — Moonblock is a tool to navigate Web3 with the right insights with a Web3 Brand Intelligence platform.