Top 30 Clean Energy Angel Investors in Germany (August 2026)

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

• encosa — encosa helps commercial and industrial customers cut electricity costs with battery storage systems and software. It plans, finances, installs, and operates these systems as a complete service. The company also uses energy optimization and electricity trading to improve system returns.
• Urban Ray — Urban Ray makes goods accessible anytime for everyone.
• Vaeridion — Vaeridion offers green air mobility technology and services which helps electric microliners to fly with the low energy consumption.

Portfolio highlights

• encentive — encentive provides modular building to grid and consumer VPP solutions as a service for existing systems and infrastructure. We are the expert for cost efficient, scalable and fully automated micro-flexibility services!

Portfolio highlights

• CodeWords — CodeWords is a technology startup working on AI systems for workflow automation. Their platform CodeWords lets anyone create automations and AI workflows by chatting with AI. Agemo's technology is designed to build code-based workflows and systems that can autonomously reason through software.
• 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 — Work happens before it's written down. Clarifeye captures what your people know, by using AI to interview them before it's lost.

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.

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

• Amperecloud — With Amperecloud, you can monitor and manage your entire renewable energy portfolio in real-time, access new revenue streams through peer-to-peer trading and grid services, and reduce your carbon footprint and operational costs. Amperecloud is the operating system for renewables, empowering you to harness the power of clean energy with ease andconfidence.

Portfolio highlights

• Book Your Own — Book Your Own is building an integrated travel ecosystem designed to unify India’s fragmented travel market.
• UrbanFarmers — UrbanFarmers is a platform that connects city dwellers with local urban farms and community gardens.
• Excel And Impact Agro — Excel And Impact Agro aims to tackle the chronic shortage of vegetable production in Côte d'Ivoire.

Portfolio highlights

• atmio — atmio helps natural gas operations to find, fix and report methane emissions easily.

Portfolio highlights

• Celsio — Celsio operates as a next-generation electricity provider transforming power market volatility into savings for heat-intensive industries. The company integrates electric heating assets (Power-to-Heat) and thermal storage into existing fossil-fueled industrial infrastructure without disrupting manufacturing processes. Utilizing a proprietarycross-market AI algorithm, Celsio forecasts trading opportunities across short-term electricity and balancing power markets

Portfolio highlights

• Celsio — Celsio operates as a next-generation electricity provider transforming power market volatility into savings for heat-intensive industries. The company integrates electric heating assets (Power-to-Heat) and thermal storage into existing fossil-fueled industrial infrastructure without disrupting manufacturing processes. Utilizing a proprietarycross-market AI algorithm, Celsio forecasts trading opportunities across short-term electricity and balancing power markets

Portfolio highlights

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

Portfolio highlights

• Lovely Day Foods — We harness the power of plants and cutting-edge technology to crack the egg.
• Buddywise — Gain control of your safety risks and empower your EHS teams to be truly data-driven. Use existing cameras to gather data, eliminate risks and react in real-time.
• Nomos — Nomos is a full-stack power company built from first principles. Headless, decentralized, and AI-first, serving category leaders to power the world.

Portfolio highlights

• Lovely Day Foods — We harness the power of plants and cutting-edge technology to crack the egg.
• Prematch — Prematch is digitizing grassroots football. As a data-powered social platform for grassroots football, Prematch is covering all divisions below the professional level. Every player receives their personal profile with personal performance data and a gamified market value, complemented by personalised news and various social features.
• Growth Kitchen — Growth Kitchen provides a network of delivery-optimized kitchens coupled with food delivery solutions and support.

Portfolio highlights

• LAP Coffee — LAP Coffee is a community-driven specialty coffee brand.
• Bounti — Knowledge management and development for deskless employees
• Penzilla — At Penzilla, we believe it's time to make corporate pension provision the way it really should be - simple. That's why we offer a solution that helps everyone get the maximum benefit from corporate pension options. Most importantly, we enable every employer to achieve true corporate social responsibility with 100% compliance and everyemployee to receive a fair pension. This is how corporate pension provision works with Penzilla: Let's "Simply Provision" together.

Portfolio highlights

• Celsio — Celsio operates as a next-generation electricity provider transforming power market volatility into savings for heat-intensive industries. The company integrates electric heating assets (Power-to-Heat) and thermal storage into existing fossil-fueled industrial infrastructure without disrupting manufacturing processes. Utilizing a proprietarycross-market AI algorithm, Celsio forecasts trading opportunities across short-term electricity and balancing power markets

Portfolio highlights

• TopCheck — TopCheck.com.ng is a platform for comparing financial services like insurance, credit cards or loans. It was founded in January 2015 and is headquartered in Lagos.
• Wegatech — They plan renewable energy technology for you. As a standalone solution or in the system. For the professional installation, they work closely with selected craft companies. Thereby they bundle competencies in consulting, planning and execution.
• ePilot Mobility — ePilot Mobility bringt die erste Blockchain basierte E-Carsharing Flotte auf Deutschlands Straßen.Die Blockchain ermöglicht eine Teilhabe der Kunden an den Elektrofahrzeugen. Das Einsetzen dieser Technologie bedeutet, dass Nutzer:innen die E-Autoflotte gemeinsam dezentral besitzen können.Die MissionUm die Klimaziele zu erreichen, müssenanhand neuer Mobilitätskonzepte die CO2-Emissionen pro Person reduziert werden. E-Carsharing für Privatleute, Firmen, Städte und Kommunen durch ePilot Mobility ist ein Teil der Gesamtlösung.

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.
• CareerOS — Gain a competitive edge with our innovative tools, virtual career collaboration, real-time data, and AI enhancements. Guide students each step of the way!
• CareerOS — CareerOS helps universities supercharge their career services. From coaching to employer engagement, centralize it all in one powerful platform.

Portfolio highlights

• Xaver — Xaver enables Financial Institutions to close Europe’s pension gap. By offering an advanced AI-driven B2B platform for life insurance and private pension sales, Xaver enhances the operational and sales efficiency of banks, insurers, and brokers by up to 65% and introduces a new era of white-labeled private pension products.With a leadership teamof experienced industry veterans - Max Bachem, Ole Breulmann, and Dr. Björn Holste - and backing from leading VC funds and a prominent group of former financial institution executives, fintech pioneers, and unicorn founders, Xaver is dedicated to improving the pension situation of Europeans through their B2B offering.
• Agent F — The first ERP that adapts to your business and compounds with it. One system for finance, operations, and people.
• Melotech — We create art with technology for humans to enjoy. Within just one year, our work has been heard, seen and loved for more than 2 billion minutes in every corner of the planet.

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

• 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

• 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

• Amperecloud — With Amperecloud, you can monitor and manage your entire renewable energy portfolio in real-time, access new revenue streams through peer-to-peer trading and grid services, and reduce your carbon footprint and operational costs. Amperecloud is the operating system for renewables, empowering you to harness the power of clean energy with ease andconfidence.

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

• 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

• Kodesage — Kodesage captures your company's collective knowledge to help understand and modernize legacy code
• 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.
• Helical — The full power of DNA & (m)RNA Bio Foundation Models in one open-core platform. Accelerate Drug Discovery with AI.

Portfolio highlights

• Celsio — Celsio operates as a next-generation electricity provider transforming power market volatility into savings for heat-intensive industries. The company integrates electric heating assets (Power-to-Heat) and thermal storage into existing fossil-fueled industrial infrastructure without disrupting manufacturing processes. Utilizing a proprietarycross-market AI algorithm, Celsio forecasts trading opportunities across short-term electricity and balancing power markets

Portfolio highlights

• Heizma — Heizma make climate-neutral heating possible and easy for every family. It offers complete solutions that include not only heating systems, but also photovoltaic systems, power storage, e-charging stations, and intelligent energy management systems.
• encentive — encentive provides modular building to grid and consumer VPP solutions as a service for existing systems and infrastructure. We are the expert for cost efficient, scalable and fully automated micro-flexibility services!
• Shadowmap — Discover The Sun for Everyone with Shadowmap: your global 3D map for sunpath visualization, shadow analysis and solar planning for homes and projects.

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.
• Celsio — Celsio operates as a next-generation electricity provider transforming power market volatility into savings for heat-intensive industries. The company integrates electric heating assets (Power-to-Heat) and thermal storage into existing fossil-fueled industrial infrastructure without disrupting manufacturing processes. Utilizing a proprietarycross-market AI algorithm, Celsio forecasts trading opportunities across short-term electricity and balancing power markets

Portfolio highlights

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