Top 50 Renewable Energy Angel Investors in Germany in May 2026

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

• 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

• Montamo — Montamo trains lateral entrants with standardized methods. We rely on both our on-site academy and our digital learning software.
• 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.

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

• 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

• 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

• 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

• 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

• 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

• 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

• Agriportance — Agriportance is a digital platform that connects biomethane producers and mineral oil companies.

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

• Graswald AI — 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

• 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

• VIVLA — We make exclusive second homes in top European locations accessible to everyone. Buy shares of your home without having to buy the whole property.
• Revyze — Revyze is a community-powered app with a sharp focus on high school education.
• Sunhero — Sunhero delivers custom-built solar panel solutions. Sunhero offers consumers a hassle-free method of installing customised photovoltaic solar systems on their homes, be that either purchasing outright or renting for a 20 year period.

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

• 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

• 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

• elvah — elvah provides flat rates for charging the electric car by fixing a monthly fee.
• Cling Systems — Connecting the battery ecosystem to ensure batteries are reused, repurposed and recycled.
• Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.

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

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

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.
• Build.One — Build.One is an end-to-end application development platform that allows to build mission-critical and legacy-free business applications without any limits, using a combination of No-Code, Low-Code and Pro-Code.
• Lilium — Lilium is developing sustainable, high-speed air mobility through its electric vertical take-off and landing aircraft, vertiports and digital service.

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.
• Citra Style — Citra Style designs and produces fashion for Muslim Women that follows contemporary runway and mainstream trends. Products are available both online and offline across the globe, with strong footprint in USA, Canada, United Kingdom, and Germany. The quality of merchandise is considered best in the segment.Citra Style’s fashion experts combinefashion items to looks which are made available online in a distinguished “Shop-By-Look” feature to inspire online shoppers.The team consists of Western born/raised Muslims with extensive fashion and ecommerce experience. Citra Style has a solid investor base that will help grow the company into a Multi 100 million USD business.

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

• 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.
• Clarifeye — Clarifeye is a software development company that offers an augmented reality-based surgical navigation tool.
• Hyperline — Enjoy the most flexible billing platform for B2B SaaS businesses. Start today without a single line of code.

Portfolio highlights

• Amperecloud — ampere.cloud is Renewables & Environment company

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.
• Admi — Admi is a government technology company that helps towns and municipalities develop and operate photovoltaic systems on public lands.
• Mozart AI — Artho has revealed its first product, Mozart AI, a groundbreaking AI-powered Digital Audio Workstation (DAW) that aims to accelerate and magnify human creativity. This hybrid musician will have complete control over their musical vision with no creative friction. They will create, engineer, and perform at the speed of their imagination. They willoutperform and innovate the best pure human artists by combining human artistry with AI co-creation. We are a team of musicians, technologists, and creative visionaries.

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

• Seqana — Seqana provides the scientific foundation for measuring soil health with a focus on soil organic carbon (SOC). Our advanced, satellite-based solutions help clients navigate evolving standards and measure their SOC sequestration. We work with teams at every step of their journey to build scientifically robust MRV at scale, improving the resilience of soils globally.
• Atmen — Atmen, formerly known as Point Twelve, automates hydrogen and e-fuels certification, saving you up to 90% time in the process.

Portfolio highlights

• Heatle — Heatle engages in the manufacture and supply of an inductive immersion heater that heats liquids in the vessel of your choice.
• 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

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

Portfolio highlights

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

Portfolio highlights

• JUMiNGO — Jumingo is an international digital shipping and carrier service provider. It is an innovative startup that has made the logistics industry clear and transparent for customers through a digital shipping platform. They facilitate both business and private customers to compare prices, packaging, and booking services from numerous shipping serviceproviders such as UPS, DHL Express, TNT, FedEx, GLS, and DPD with up to 80% discounted rates. Jumingo saves time and money with benefit from the dynamics and flexibility of their comprehensive range of services without any contractual obligations.
• 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 a climate tech startup, that develops a breakthrough solution for zero-carbon industrial heat at very high temperatures.

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

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

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

• 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

• 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.
• Moonblock — Moonblock is a tool to navigate Web3 with the right insights with a Web3 Brand Intelligence platform.

Portfolio highlights

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

Portfolio highlights

• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• Hygraph — A GraphQL-native headless CMS that marketers and developers love. Structure content, scale with AI, and launch faster across every channel.
• Detectify — Detectify's external attack surface management tool - assess, prioritize, remediate continuously growing external attack surfaces.