AENU

AENU is a Berlin-based impact fund that invests in early-stage European climate-tech and social impact companies. It focuses on driving systemic transformation in venture capital, promoting impact, accessibility, and stakeholder alignment. AENU's investment ticket sizes range from EUR 0.5 to 5 million, targeting sectors such as climate & ecosystems, energy, food, agriculture, and social equality. As an Article 9 fund under the EU SFDR, AENU prioritizes ESG and impact investments.

Siobhan Brewster

Partner

Ferry Heilemann

Co-Founder and Partner

Fabian Heilemann

Co-Founder, Managing Directors and CEO

Zoe Magee

Director Communications

Melina Montañés

Principal

Beatrix von Schroeder

Impact Investor

Robert Stoecker

Impact Investor

Till Thietje

Impact Investor

Past deals in Sustainability

EPYR

Pre Seed Round in 2025
EPYR is an energy technology company specializing in large-scale industrial decarbonization. It develops and operates thermal energy storage (TES) systems, providing clean, cost-effective, and scalable high-temperature heat for industrial applications. This enables businesses to transition from fossil fuels, lower energy costs, and reduce their carbon footprint, thereby accelerating the global shift towards renewable energy.

Ecosystem Restoration Standard

Seed Round in 2024
The Ecosystem Restoration Standard is a certification initiative focused on nature-based restoration projects within the Voluntary Carbon Markets. It aims to support small-scale, community-driven restoration efforts that address climate change, enhance biodiversity, and improve local livelihoods. By incorporating advanced Digital Monitoring, Reporting, and Verification (dMRV) methods, the Standard facilitates continuous tracking of project progress across various baselines. This approach enhances traceability and transparency for both project developers and buyers, ensuring that restoration efforts are effectively monitored and verified.

Voltfang

Series A in 2024
Voltfang specializes in developing sustainable home storage solutions by utilizing recycled traction batteries from electric vehicles. The company repurposes used electric car batteries, integrating them into stationary storage systems that create a decentralized energy storage network. This approach not only extends the lifespan of these batteries after their automotive use but also provides small and medium-sized enterprises with the capability to store renewable energy. As a result, Voltfang's systems help stabilize the energy grid through techniques like peak shaving and load shifting, ultimately enabling clients to minimize their ecological footprint and contribute to environmental conservation efforts.

alcemy

Venture Round in 2024
Alcemy is a startup focused on decarbonizing the cement and concrete industry through the development of predictive analysis software. This software aids manufacturers by providing accurate quality predictions for mixtures and their ingredients prior to product shipment. By doing so, Alcemy helps companies address fluctuations in limestone and cement, ensuring consistent product quality and supporting sustainability efforts in construction materials.

Trawa

Seed Round in 2024
trawa provides software solutions and electricity procurement services tailored for energy-intensive businesses. The company utilizes a proprietary optimization engine that facilitates access to renewable energy sources, specifically from solar and wind parks. By integrating its technology into the operations of various companies, trawa enables them to optimize their energy purchasing, thereby reducing costs and enhancing sustainability. This approach not only aids businesses in decarbonizing their operations but also offers protection against potential energy crises. Through its innovative offerings, trawa aims to support companies of all sizes in achieving professional and sustainable energy procurement.

Apiday

Venture Round in 2024
Apiday is a Paris-based company founded in 2021 that provides a platform for businesses to manage their Environmental, Social, and Governance (ESG) data effectively. The platform centralizes ESG data collection, automates reporting and certification processes, and facilitates collaboration with specialized ESG consultants. By leveraging artificial intelligence, Apiday enhances the data management experience, allowing companies to easily access expert advice and the necessary documentation to improve their ESG scores. The company's mission is to simplify sustainability, making it measurable and affordable for businesses seeking to enhance their ESG performance.

UNDO

Venture Round in 2023
UNDO is a leading developer of carbon dioxide removal projects that focuses on enhanced rock weathering, a natural process that has historically absorbed large amounts of carbon dioxide from the atmosphere. By spreading crushed, reactive rock onto agricultural land, UNDO accelerates this weathering process, where plants and soil microbes facilitate the breakdown of the rock. This process releases nutrients and bicarbonates, which ultimately transform into solid carbonate minerals in the oceans, thereby permanently sequestering carbon dioxide. The rock, sourced as a by-product from the aggregate and mining industries, is provided to local farmers at no cost and utilized with existing agricultural infrastructure. UNDO operates in the UK and US, and its model not only aims for rapid and scalable carbon removals but also offers significant benefits to local communities, such as improved soil health, ocean deacidification, and increased agricultural profits.

Voltfang

Seed Round in 2023
Voltfang specializes in developing sustainable home storage solutions by utilizing recycled traction batteries from electric vehicles. The company repurposes used electric car batteries, integrating them into stationary storage systems that create a decentralized energy storage network. This approach not only extends the lifespan of these batteries after their automotive use but also provides small and medium-sized enterprises with the capability to store renewable energy. As a result, Voltfang's systems help stabilize the energy grid through techniques like peak shaving and load shifting, ultimately enabling clients to minimize their ecological footprint and contribute to environmental conservation efforts.

Pivotal Future

Seed Round in 2023
Pivotal Future Ltd. specializes in biodiversity measurement services, offering businesses and markets accurate, auditable evidence of changes in the state of nature. By integrating data from various on-the-ground and remote sources, the company delivers verified primary datasets that enable clients to assess nature-related risks and impacts, enhance investment decisions, and make credible disclosures. Utilizing proprietary machine learning and a global network of ecosystem experts, Pivotal ensures high-quality control and annotation of biodiversity data. Their web-based reporting portal communicates these metrics clearly, empowering clients to comply with regulations and adopt voluntary frameworks aimed at fostering positive environmental outcomes. Ultimately, Pivotal aims to balance economic interests with ecological sustainability, helping clients recognize the value of contributing to nature conservation.

Agreena

Series B in 2023
Agreena is a company dedicated to advancing regenerative agriculture. It provides financial support to farmers adopting regenerative practices and verifies the environmental impact of these efforts using proprietary digital technologies, including AI and satellite imagery. Agreena mints and sells carbon credits generated by farmers, issues third-party verified carbon certificates, and develops software to detect key metrics, enabling businesses to meet sustainability goals and farmers to increase yields and profits.

alcemy

Series A in 2022
Alcemy is a startup focused on decarbonizing the cement and concrete industry through the development of predictive analysis software. This software aids manufacturers by providing accurate quality predictions for mixtures and their ingredients prior to product shipment. By doing so, Alcemy helps companies address fluctuations in limestone and cement, ensuring consistent product quality and supporting sustainability efforts in construction materials.

Carbon Equity

Seed Round in 2022
Carbon Equity is a provider of investment services focused on facilitating climate investments in private markets. The company employs a combination of climate diligence and financial diligence processes to identify and select funds that have a fixed investment period. This approach enables investors to access private climate technology funds and construct a diversified portfolio of climate startups and scaleups. Carbon Equity is committed to addressing climate change by promoting substantial investments in innovative technologies and fostering behavioral shifts among consumers and corporations.

XFuel

Venture Round in 2022
XFuel is a company that specializes in producing sustainable and net-zero drop-in fuels for road, marine, and aviation applications. Founded in 2010 and headquartered in Dublin, Ireland, with a presence in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient and cost-effective conversion of biomass waste into low-carbon fuels. The company’s advanced fuels generate up to 85% fewer greenhouse gas emissions compared to conventional fossil fuel production, positioning them as a cleaner alternative in the transport sector. By providing decentralized and sustainable fuel solutions, XFuel aims to support distributors and consumers globally in reducing reliance on fossil fuels while working towards carbon-neutral and even carbon-negative fuel options.

Tomorrow

Funding Round in 2022
Sustainable banking. Green Finance. A credit card that is ecological, ethical and uses your money to generate a positive environmental impact. A bank that funds and promotes Renewable Energy, Solar Power, Wind Power and sustainable agriculture.

Tomorrow

Funding Round in 2022
Sustainable banking. Green Finance. A credit card that is ecological, ethical and uses your money to generate a positive environmental impact. A bank that funds and promotes Renewable Energy, Solar Power, Wind Power and sustainable agriculture.

Voltfang

Pre Seed Round in 2022
Voltfang specializes in developing sustainable home storage solutions by utilizing recycled traction batteries from electric vehicles. The company repurposes used electric car batteries, integrating them into stationary storage systems that create a decentralized energy storage network. This approach not only extends the lifespan of these batteries after their automotive use but also provides small and medium-sized enterprises with the capability to store renewable energy. As a result, Voltfang's systems help stabilize the energy grid through techniques like peak shaving and load shifting, ultimately enabling clients to minimize their ecological footprint and contribute to environmental conservation efforts.

TESVOLT

Series B in 2022
TESVOLT GmbH, established in 2014 and headquartered in Wittenberg, Germany, specializes in the development and manufacturing of lithium battery storage systems aimed at the commercial and industrial sectors. As a recognized leader in energy storage solutions in Germany and Europe, TESVOLT produces intelligent lithium storage systems with power capacities ranging from 10 kilowatt hours to several megawatt hours, all manufactured in a carbon-neutral gigafactory. Their products facilitate companies in reducing energy dependency and contribute to the transition toward renewable energy sources, including solar, wind, and biogas. The company has been acknowledged with various awards for its innovative approaches, driven by its co-founders Daniel Hannemann and Simon Schandert, who have extensive experience in the photovoltaic sector. TESVOLT's focus on developing economical storage solutions is complemented by its commitment to safety and quality, as evidenced by TÜV certification for its products.

zolar

Series C in 2022
ZOLAR GmbH, based in Berlin, Germany, specializes in designing, building, and providing customized residential solar and battery systems. Founded in 2016, the company offers a comprehensive online configurator that allows homeowners to tailor their photovoltaic systems to meet individual needs while receiving expert assistance. ZOLAR coordinates the installation process through a network of local partner companies, ensuring that each system is properly implemented. Employing around 200 individuals, ZOLAR aims to promote energy independence for households by facilitating the integration of energy generation, storage, and smart home solutions. The company encourages customers to produce their own green electricity, thereby reducing reliance on the mains grid and contributing to climate protection initiatives. Through its innovative approach, ZOLAR envisions a future where solar systems are installed on rooftops worldwide, empowering households to neutralize their carbon footprints.

Carbon Equity

Pre Seed Round in 2021
Carbon Equity is a provider of investment services focused on facilitating climate investments in private markets. The company employs a combination of climate diligence and financial diligence processes to identify and select funds that have a fixed investment period. This approach enables investors to access private climate technology funds and construct a diversified portfolio of climate startups and scaleups. Carbon Equity is committed to addressing climate change by promoting substantial investments in innovative technologies and fostering behavioral shifts among consumers and corporations.

zolar

Series B in 2021
ZOLAR GmbH, based in Berlin, Germany, specializes in designing, building, and providing customized residential solar and battery systems. Founded in 2016, the company offers a comprehensive online configurator that allows homeowners to tailor their photovoltaic systems to meet individual needs while receiving expert assistance. ZOLAR coordinates the installation process through a network of local partner companies, ensuring that each system is properly implemented. Employing around 200 individuals, ZOLAR aims to promote energy independence for households by facilitating the integration of energy generation, storage, and smart home solutions. The company encourages customers to produce their own green electricity, thereby reducing reliance on the mains grid and contributing to climate protection initiatives. Through its innovative approach, ZOLAR envisions a future where solar systems are installed on rooftops worldwide, empowering households to neutralize their carbon footprints.

Trawa

trawa provides software solutions and electricity procurement services tailored for energy-intensive businesses. The company utilizes a proprietary optimization engine that facilitates access to renewable energy sources, specifically from solar and wind parks. By integrating its technology into the operations of various companies, trawa enables them to optimize their energy purchasing, thereby reducing costs and enhancing sustainability. This approach not only aids businesses in decarbonizing their operations but also offers protection against potential energy crises. Through its innovative offerings, trawa aims to support companies of all sizes in achieving professional and sustainable energy procurement.
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