Top 35 Renewable Energy Angel Investors in Germany (May 2026)

Portfolio highlights

• Voltfang — Optimieren Sie die Effizienz und Nachhaltigkeit Ihres Unternehmens mithilfe unseres Second-Life-Batteriespeichers, aus E-Autobatterien.
• 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

• gridX — Combine powerful IoT and cloud infrastructure with flexible modules to build customized and cost-efficient digital energy solutions through XENON.
• Neptyne — Neptyne is making spreadsheets programmable
• Voltfang — Optimieren Sie die Effizienz und Nachhaltigkeit Ihres Unternehmens mithilfe unseres Second-Life-Batteriespeichers, aus E-Autobatterien.

Portfolio highlights

• Voltfang — Optimieren Sie die Effizienz und Nachhaltigkeit Ihres Unternehmens mithilfe unseres Second-Life-Batteriespeichers, aus E-Autobatterien.
• 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

• Lhotse — Lhotse helps you optimize the costs you're not looking at by taking the hassle out of indirect spend. The next gen procurement & sourcing system.
• Ostrom — We make energy fair, smart and green - one flexible monthly plan with no hidden fees, digital-first and 100% renewable energy.
• 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

• Bardeen — Bardeen is an automation app to replace your repetitive tasks with a single shortcut and control your web apps from anywhere. Explore our integrations with your favorite apps and hundreds of pre-built playbooks that help you stay in the flow.
• TAU Systems — TAU Systems provides medical imaging technology.
• MILES — Carsharing nach Kilometern statt Minuten. MILES Autos und Transporter einfach per App mieten und losfahren!

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

• 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

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

Portfolio highlights

• 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!
• ALOHA — Healthy plant-based foods, snacks & meal replacements. Best organic plant based protein bars, shakes and powders. Nothing artificial. Welcome to ALOHA!
• 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

• 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

• SECJUR — Secjur provides a platform for automated compliance using AI. The startup's technology streamlines procedures in the Digital Compliance Office for areas including data security, anti-money laundering, and whistleblowing.
• Ivy — We are building a global API for instant bank payments
• cleverly.de — cleverly.de is an onlineplatform which provides online coaching and tutorial classes.

Portfolio highlights

• elvah — So geht sorgloses Elektroauto laden.
• 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

• 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 — Hygraph is the next generation GraphQL-Native Federated Content Platform. Integrate all your services with our unique content federation approach and deliver to any destination of choice using our content APIs
• Detectify — Detectify's external attack surface management tool - assess, prioritize, remediate continuously growing external attack surfaces.

Portfolio highlights

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

Portfolio highlights

• Amperecloud — ampere.cloud is Renewables & Environment company

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 is a network of cutting-edge clinics with an emphasis on providing comprehensive pet health care.
• 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

• SECJUR — Secjur provides a platform for automated compliance using AI. The startup's technology streamlines procedures in the Digital Compliance Office for areas including data security, anti-money laundering, and whistleblowing.
• Ivy — We are building a global API for instant bank payments
• simpleclub — simpleclub - the most popular digital learning platform in Germany with over 1 million users per month.Loved by both students and parents, simpleclub makes it easy for students and learners to understand anything related to any subject at school by investing less time and therefore reducing stress. At simpleclub we are all creators. We have builta product that millions of people already use and are falling in love with. Check out our app for Apple and Android.We are on a mission to disrupt the traditional school-based learning system by creating a learning experience personalised to every student. Created in 2015 by back then students, Alexander Giesecke and Nicolai Schork, simpleclub has grown to over 1M users and going. In 2020, simpleclub secured a seed round from HV Capital (formerly HV Holtzbrinck Ventures) to accelerate growth.

Portfolio highlights

• NUMOS — NUMOS is an insurance tech platform.
• trawa — The partner for renewable and affordable electricity for businesses. Get electricity directly from solar and windparks with corporate PPAs.
• dao — We use modern technology to revolutionize residential property management

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

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

Portfolio highlights

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

Portfolio highlights

• Kurabu — KURABU verbindet nahtlos eine umfangreiche Verwaltungssoftware mit einer modernen Vereinsapp. Starte jetzt kostenlos & unverbindlich!
• Cello — Turn users into your most valuable growth channel. Cello is the easiest way to add a P2P referral program to any SaaS product in hours.
• SalesPlaybook — Leading European startups to their sales goals & beyond

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

• 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

• 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 — Photovoltaik mit Speicher zum Einstecken in der Steckdose - Mit deinem Balkonkraftwerk von EET produzierst du eigenen Sonnenstrom.

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

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

Portfolio highlights

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

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

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

Portfolio highlights

• Amperecloud — ampere.cloud is Renewables & Environment company

Portfolio highlights

• Revyze — Revyze is a community-powered app with a sharp focus on high school education.
• Tuio — Tuio is a insurance company that provides digital platform providing house or propety insurance.
• Sqwad — Lower your customer acquisition cost by partnering with other D2C ecommerce brands and sell more together. Our solution plugs into your Shopify in one click.

Portfolio highlights

• Voltfang — Optimieren Sie die Effizienz und Nachhaltigkeit Ihres Unternehmens mithilfe unseres Second-Life-Batteriespeichers, aus E-Autobatterien.