In the DACH region, energy efficiency is becoming a central focus in shifting towards sustainable development. This industry includes startups and established companies that offer innovative solutions aimed at optimizing energy use across various sectors. Key players operate in tech sectors like smart home systems, renewable energy, and advanced manufacturing processes. The sector is supported by government policies aimed at reducing emissions while enhancing energy efficiency. With growing investments and advancements in smart technologies, the future looks promising, as the region propels toward a more energy-conscious economy and actively works on reducing its carbon footprint.


The investors profiled here illustrate a mix of corporate entities and venture capital firms based across the vibrant DACH area. Ranging in size from small teams to large corporations, these investors have been actively funding projects since the late 20th century. In 2024 alone, these investors participated in a remarkable total of 311 deals, indicating their commitment to the energy efficiency sector. Notable investors include corporate giants like Siemens and emerging venture firms such as Vireo Ventures, each focusing on innovative solutions that drive sustainability and efficiency in different areas of energy management.


Top 16 Energy Efficiency Investors in DACH


1. Siemens

  • Website: siemens.com
  • Type: Corporate
  • Headquarters: Munich, Bavaria, Germany
  • Founded year: 1847
  • Headcount: 10001+
  • Number of deals in 2024: 11
  • LinkedIn: siemens

Siemens AG, founded in 1847 and headquartered in Munich, Bavaria, Germany, is a prominent technology conglomerate specializing in industrial automation, energy solutions, rail transport, and health technology. With a workforce of approximately 320,000 employees, Siemens generates substantial revenue and operates globally. The company has actively pursued investments in the energy efficiency sector, exemplified by its acquisition of Enlighted, a provider of smart IoT systems for buildings, which enhances digitalization and energy management. Additionally, Siemens acquired Wattsense, a French startup specializing in hardware and software for buildings, further expanding its portfolio in energy-efficient solutions. These strategic moves demonstrate Siemens' commitment to enhancing efficiency and sustainability across various sectors, making it a significant player in the energy efficiency landscape.


2. Partners Group

  • Website: partnersgroup.com
  • Type: Private Equity
  • Headquarters: Baar, Zug, Switzerland
  • Founded year: 1996
  • Headcount: 1001-5000
  • Number of deals in 2024: 19
  • LinkedIn: partners-group

Partners Group Holding AG is a prominent investment management firm based in Baar, Zug, Switzerland, specializing in private equity, private infrastructure, private real estate, and private debt. Founded in 1996, the firm manages over USD 149 billion in assets and is recognized for its innovative approach and commitment to sustainability. Among its notable transactions, Partners Group acquired Budderfly, a leading Energy-as-a-Service provider in the US, for over USD 500 million, aiming to transform it into a multi-billion-dollar infrastructure platform focused on energy efficiency. Additionally, they acquired Eteck, a company involved in the energy transition sector, further emphasizing their commitment to energy-related investments. Their acquisition of the District Heating Platform, one of the largest in the Baltics, also highlights their strategy to enhance customer-centric energy solutions. These investments reflect Partners Group's dedication to fostering energy efficiency and sustainable practices across their portfolio.


3. Deutsche Bank

  • Website: db.com
  • Type: Corporate
  • Headquarters: Frankfurt, Hesse, Germany
  • Founded year: 1870
  • Headcount: 10001+
  • Number of deals in 2024: 32
  • LinkedIn: deutsche-bank

Deutsche Bank AG, founded in 1870 and headquartered in Frankfurt, Hesse, Germany, is a leading investment bank and financial services provider. The bank offers a wide range of solutions including investment banking, corporate banking, cash management, trade finance, and securities services. It serves corporate and institutional clients, helping them manage their financial assets and liquidity effectively through its digital platform, Autobahn. In recent years, Deutsche Bank has been involved in several notable transactions that highlight its commitment to the energy sector, particularly in energy efficiency and renewable energy. For instance, in August 2023, Deutsche Bank facilitated a $250 million debt financing for Redaptive, a company focused on energy efficiency solutions. Additionally, the bank played a crucial role in a €335 million loan for Ignis Energía, aimed at developing solar projects in Spain, which underscores its involvement in financing renewable energy initiatives. Furthermore, Deutsche Bank has also participated in significant debt financing for companies like Greenko Group, which is engaged in renewable energy projects. These transactions reflect Deutsche Bank's active role in supporting the transition to a more sustainable energy landscape.


4. Demeter-Partners


Demeter-Partners is a venture capital and private equity firm based in Berlin, Germany, founded in 2007. The firm specializes in investments aimed at facilitating the energy and ecological transition, supporting innovative startups and small to mid-cap companies with funding and strategic guidance. With a strong focus on sustainable development, Demeter-Partners manages a diverse portfolio that promotes ecological solutions. Notable transactions include investments in Enerbee, which raised over $2.6 million for energy efficiency solutions, and Deepki, which secured $2.3 million to enhance energy management in buildings. Additionally, they invested in EnergieIP, which raised $1 million for energy management systems, further emphasizing their commitment to energy efficiency initiatives.


5. Deg

  • Website: deginvest.de
  • Type: Corporate
  • Headquarters: Neunkirchen, North Rhine-Westphalia, Germany
  • Founded year: 1962
  • Headcount: 501-1000
  • Number of deals in 2024: 17
  • LinkedIn: deg

DEG – Deutsche Investitions- und Entwicklungsgesellschaft mbH is a public entity based in Neunkirchen, North Rhine-Westphalia, Germany, founded in 1962. As a development finance institution, DEG provides long-term financing and advisory services to private enterprises in developing and emerging markets, with a strong emphasis on sustainable development and job creation. DEG supports businesses across various sectors, including agriculture, manufacturing, and infrastructure, helping them access capital and expert guidance for growth. Notably, DEG has been involved in significant transactions such as ACCIONA, which raised $600 million in post-IPO debt, and ACWA Power, which raised approximately $692 million in a similar transaction. These companies are engaged in renewable energy, which aligns with energy efficiency goals. Additionally, DEG provided a grant to SOLshare, a company focused on solar energy solutions, further indicating their involvement in projects that can enhance energy efficiency.


6. Speedinvest

  • Website: speedinvest.com
  • Type: Venture Capital
  • Headquarters: Vienna, Vienna, Austria
  • Founded year: 2011
  • Headcount: 51-200
  • Number of deals in 2024: 45
  • LinkedIn: speedinvest

Speedinvest is a venture capital firm based in Vienna, Austria, founded in 2011. The firm specializes in funding early-stage tech startups across Europe, providing both capital and hands-on support to help these companies scale their operations. Speedinvest's investment focus spans various technology sectors, including Deep Tech, Fintech, and SaaS. Recently, they have made significant investments in the energy efficiency sector, such as Purpose Green, a climate technology company that raised $15 million in a seed round, and Trawa, which is developing a digital, data-driven energy provider aimed at supporting SMEs in the manufacturing and processing sectors. Additionally, they participated in the funding of Tibo Energy, which focuses on expanding sales and marketing for energy solutions. These transactions highlight Speedinvest's engagement with innovative companies that are contributing to energy efficiency and sustainability.


7. Siemens Financial Services


Siemens Financial Services, based in Munich, Bavaria, Germany, is a corporate investor founded in 1997. As a part of Siemens, a leading technology company, they specialize in providing innovative solutions that drive digital transformation and sustainability across various sectors, including industry, infrastructure, mobility, and healthcare. In 2024, Siemens Financial Services was involved in several significant transactions relevant to energy efficiency, such as participating in a funding round for EIT InnoEnergy, a sustainable energy investor, and leading a funding round for Skeleton Technologies, which focuses on developing ultracapacitors that enhance energy efficiency. They also participated in debt financing for Clearway Energy Group and GeoPura, both of which are involved in energy solutions. These activities highlight their active role in promoting energy efficiency and sustainability through strategic investments.


8. Sictic

  • Website: sictic.ch
  • Type: Venture Capital
  • Headquarters: Zurich, Zurich, Switzerland
  • Founded year: 2014
  • Headcount: 201-500
  • Number of deals in 2024: 77
  • LinkedIn: sictic

Sictic is a not-for-profit venture capital organization based in Zurich, Switzerland, founded in 2014. It connects smart money investors with innovative Swiss early-stage technology startups, providing investment opportunities, networking events, and educational resources to facilitate the growth of startups and the investment community. In 2024, Sictic has been involved in 77 investments, including notable transactions in the energy efficiency sector. For instance, they participated in the funding of Yuon Control AG, a startup focused on a predictive, self-learning heating control system designed to optimize heating networks and reduce CO2 emissions by up to 25%. Additionally, Sictic invested in Cowa Thermal Solutions, which is likely involved in thermal energy management, further emphasizing their engagement in energy efficiency initiatives. Other investments include MOOST and Scandens, which may also contribute to energy efficiency solutions.


9. Technology Fund

  • Website: technologyfund.ch
  • Type: Corporate
  • Headquarters: Zurich, Zurich, Switzerland
  • Founded year: 2014
  • Headcount: 11-50
  • Number of deals in 2024: 8
  • LinkedIn: technology-fund

Technology Fund is a not-for-profit organization based in Zurich, Switzerland, founded in 2014. It provides loan guarantees to innovative Swiss companies focused on environmental sustainability, particularly in the cleantech sector. The fund aims to bridge the gap between startup funding and traditional loans, enabling businesses to develop and market their innovative products. Notably, Technology Fund has been involved in several transactions relevant to energy efficiency, including a bridge financing round for LEDCity, which raised CHF 2.6 million to optimize its lighting solutions and accelerate international expansion. Additionally, they participated in debt financing for TVP Solar, a company likely involved in solar energy solutions, further emphasizing their focus on sustainable technologies. Their support for companies like Blockstrom and Aliunid also highlights their commitment to fostering innovation in the energy efficiency space.


10. Aenu

  • Website: aenu.com
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2022
  • Headcount: 11-50
  • Number of deals in 2024: 9
  • LinkedIn: pirate-impact

Aenu is a venture capital firm based in Berlin, Germany, founded in 2022. The firm specializes in empowering climate tech founders by providing investment brokerage and advisory services, primarily targeting tech entrepreneurs in Europe who are addressing climate change and sustainability challenges. Aenu has been involved in several notable transactions, including Hometree, which raised $46 million in a Series B round, focusing on energy efficiency solutions for homes. They also invested in Zolar, which raised significant funds in Series B and C rounds, providing solar energy solutions that contribute to energy efficiency. Additionally, Aenu's investment in trawa, a company that raised over $10 million in a Seed Round, further emphasizes their commitment to supporting innovative technologies in the energy sector.


11. Mercuria


Mercuria Energy Group Ltd. is a global energy trading company based in Geneva, Switzerland, founded in 2004. With a workforce of 1001-5000 employees, Mercuria operates in the commodity markets, focusing on crude oil, natural gas, and renewable energy. They provide trading services and invest in sustainable projects, aiming to support businesses in their transition to net zero. Notably, Mercuria has led significant funding rounds for companies in the energy efficiency sector, including a $34 million Series A investment in Exergyn, which specializes in thermal management technology, and a €50 million Series C investment in The Mobility House, a provider of smart charging solutions for electric vehicles. These transactions highlight Mercuria's active role in promoting energy efficiency and sustainable energy solutions.


12. Andritz

  • Website: andritz.com
  • Type: Corporate
  • Headquarters: Graz, Styria, Austria
  • Founded year: 1892
  • Headcount: 10001+
  • Number of deals in 2024: 5
  • LinkedIn: andritz

Andritz AG, founded in 1892 and based in Graz, Styria, Austria, is a leading technology provider specializing in industrial equipment and solutions across various sectors, including pulp and paper, metals, and energy. With a workforce of over 10,000 employees, Andritz focuses on innovation and digitalization to enhance operational efficiency and sustainability for its business customers. The company has made several strategic acquisitions to bolster its capabilities in energy efficiency. Notably, the acquisition of Royal GMF-Gouda in 2012, a manufacturer of drying solutions, enhances Andritz's offerings in energy-efficient drying technologies. Additionally, the acquisition of Kempulp in 2019, which specializes in process technologies for the chemical pulping industry, further demonstrates Andritz's commitment to integrating energy-efficient solutions into its operations. These transactions reflect Andritz's strategic direction towards improving energy efficiency across its product lines and services.


13. Future Energy Ventures

  • Website: fev.vc
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2016
  • Headcount: 11-50
  • Number of deals in 2024: 4
  • LinkedIn: innogyinnovationhub

Future Energy Ventures is a Berlin-based venture capital firm founded in 2016, specializing in investments in climate-tech startups that are focused on energy transition and sustainability. The firm provides funding, mentoring, and strategic connections to help these startups scale their operations. Notable transactions include their participation in Bidgely, which raised $26 million to enhance energy monitoring and management solutions, directly contributing to energy efficiency in households. Additionally, Future Energy Ventures has invested in Nuventura, a startup that raised €25 million to develop solutions aimed at reducing greenhouse gas emissions, further emphasizing their commitment to energy efficiency and sustainability. Their portfolio reflects a strong focus on innovative companies in the energy and technology sectors that are working towards a decarbonized future.


14. Vireo Ventures

  • Website: vireo.vc
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Founded year: 2020
  • Headcount: 11-50
  • Number of deals in 2024: 8
  • LinkedIn: vireo-ventures

Vireo Ventures is a venture capital firm based in Berlin, Germany, founded in 2020. The firm specializes in investing in early-stage technology startups within the energy and mobility sectors, providing both capital and mentorship to help these startups develop innovative solutions aimed at electrification and sustainability. Vireo Ventures focuses on B2B business models that contribute to a decarbonized world. Notably, they have invested in Green Fusion, a startup that raised significant funding to develop its energy management software, which is crucial for optimizing energy use and enhancing efficiency. Their investment in encentive, which raised funds for its initiatives, further emphasizes their commitment to supporting energy efficiency solutions. Overall, Vireo Ventures is dedicated to fostering innovation in the energy sector, particularly in areas that promote energy efficiency and sustainability.


15. Bayern Kapital

  • Website: bayernkapital.de
  • Type: Venture Capital
  • Headquarters: Landshut, Bavaria, Germany
  • Founded year: 1995
  • Headcount: 11-50
  • Number of deals in 2024: 27
  • LinkedIn: bayern-kapital-gmbh

Bayern Kapital is a venture capital firm based in Landshut, Bavaria, Germany, founded in 1995. The firm specializes in providing investment and growth capital to innovative high-tech startups and scale-ups in Bavaria. With a focus on sectors such as life sciences and software, Bayern Kapital also supports companies in the energy efficiency space. Notable transactions include their investment in tado°, a Munich-based home energy management platform that integrates smart thermostats with energy tariffs to optimize energy use. They also invested in VoltStorage, a greentech company that develops battery solutions and Redox Flow technology, aimed at enhancing energy storage capabilities. Additionally, Bayern Kapital supported EVUM Motors, which manufactures electric utility vehicles designed to offer smart energy solutions. These investments highlight Bayern Kapital's role in fostering innovation in energy efficiency and sustainability.


16. Momenta

  • Website: momenta.one
  • Type: Venture Capital
  • Headquarters: Engelberg, Obwalden, Switzerland
  • Founded year: 2012
  • Headcount: 11-50
  • Number of deals in 2024: 7
  • LinkedIn: momentapartners

Momenta is a venture capital firm based in Engelberg, Obwalden, Switzerland, founded in 2012. The firm specializes in industrial impact and digital transformation, providing strategic investments and advisory services to Fortune 500 companies and innovative startups across various sectors, including energy, manufacturing, smart spaces, and supply chain. Momenta focuses on enhancing operational efficiency and driving sustainability through its expertise in critical industries. Notably, they have invested in Axiom Cloud, which raised $7.4M in a Series A financing round to scale its refrigeration software aimed at reducing energy costs for grocery stores. This investment highlights Momenta's commitment to energy efficiency. Additionally, they have been involved in funding Axino, a company that provides quality assurance solutions in the food retail business, which may also contribute to operational efficiencies in energy use. Overall, Momenta's investment strategy reflects a strong alignment with energy efficiency initiatives.



Energy Efficiency Insights: Key Investors in DACH


InvestorHeadquarterSizeFoundedDeals 2024
SiemensMunich, Bavaria, Germany10001+184711
Partners GroupBaar, Zug, Switzerland1001-5000199619
Deutsche BankFrankfurt, Hesse, Germany10001+187032
Demeter-PartnersBerlin, Berlin, Germany11-5020070
DegNeunkirchen, North Rhine-Westphalia, Germany501-1000196217
SpeedinvestVienna, Vienna, Austria51-200201145
Siemens Financial ServicesMunich, Bavaria, Germany1001-5000199715
SicticZurich, Zurich, Switzerland201-500201477
Technology FundZurich, Zurich, Switzerland11-5020148
AenuBerlin, Berlin, Germany11-5020229
MercuriaGeneva, Geneva, Switzerland1001-500020047
AndritzGraz, Styria, Austria10001+18925
Future Energy VenturesBerlin, Berlin, Germany11-5020164
Vireo VenturesBerlin, Berlin, Germany11-5020208
Bayern KapitalLandshut, Bavaria, Germany11-50199527
MomentaEngelberg, Obwalden, Switzerland11-5020127


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