The wind turbine maintenance industry in the DACH region plays a vital role in the renewable energy sector. It focuses on monitoring, servicing, and optimizing wind farms to ensure efficient energy production. Companies of various sizes, from large corporates to nimble startups, operate within this space, offering services ranging from routine inspections to advanced predictive maintenance using new technologies. As sustainability efforts grow, the industry is evolving to incorporate digital tools and automation, promising improved performance and lower operational costs. This shift is especially crucial as investments in renewable energy options continue to surge in the coming decade.


In this article, we explore 16 critical investors in the wind turbine maintenance arena across the DACH region. The list features a range of corporate investors, venture capital firms, and private equity companies, with headquarters mainly in urban hubs like Munich, Zurich, and Berlin. These firms vary in size, with many boasting a workforce of over 1,000, and were mainly founded between the late 1800s and early 2000s. Their activity in 2024 highlights strategic investments, reflecting a strong commitment across the board to enhance wind turbine maintenance capacity and technologies for sustainability.


Top 16 Wind Turbine Maintenance Investors in DACH


1. Rwe

  • Website: rwe.com
  • Type: Corporate
  • Headquarters: Essen, North Rhine-Westphalia, Germany
  • Founded year: 1898
  • Headcount: 10001+
  • Number of deals in 2024: 3
  • LinkedIn: rwe-

RWE is a corporate investor based in Essen, North Rhine-Westphalia, Germany, specializing in both renewable and conventional energy solutions. Founded in 1898, RWE has evolved into a major energy company that offers a diverse range of services, including energy generation from wind, solar, and hydropower, as well as project management and engineering services. In 2023, RWE made significant strides in expanding its wind energy portfolio, including the acquisition of Con Edison Clean Energy Businesses, which added 8 gigawatts of operating assets and a project development pipeline of over 24 gigawatts in onshore wind, solar, and battery storage. Additionally, RWE acquired a 20% stake in the Rampion offshore wind farm, increasing its total ownership to 50.1%, and took full ownership of the Nordseecluster offshore wind project portfolio, further solidifying its position in the offshore wind sector. These transactions highlight RWE's commitment to enhancing its renewable energy capabilities, particularly in wind energy, which is crucial for maintenance operations.


2. 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 leading technology conglomerate specializing in industrial automation, energy solutions, rail transport, and health technology. With a workforce of approximately 320,000 employees, Siemens generates significant revenue globally. The company has made strategic acquisitions to enhance its service portfolio in the energy sector, including the acquisition of Pro Integris d.o.o. za inženjering in November 2023, which is likely to bolster their capabilities in energy services. Additionally, Siemens acquired Flender in 2005, a company that provides drive systems and services, which can be relevant to wind turbine maintenance. These transactions indicate Siemens' commitment to expanding its footprint in the energy sector, particularly in areas that support wind energy and maintenance services.


3. 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. Notably, Partners Group has made significant strides in the renewable energy sector, including the acquisition of North Star, a UK operator of specialized vessels for emergency response and offshore wind maintenance services, which aims to establish North Star as a leading pan-European offshore wind infrastructure services company. Additionally, their acquisition of VSB Group further emphasizes their engagement in the renewable energy space, while their investments in EnfraGen and Sunsure Energy highlight their strategy to enhance renewable energy capabilities across various regions. These transactions collectively illustrate Partners Group's active role in the wind energy sector, particularly in maintenance and operational support.


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. Demeter-Partners manages a diverse portfolio that promotes ecological solutions. Notably, they acquired VERGNET, a company involved in renewable energy solutions, on June 14, 2006. Furthermore, they have made several investments in Ideol Offshore, a company focused on floating wind turbine technology, raising significant amounts in multiple venture rounds between 2013 and 2016. These transactions highlight Demeter-Partners' commitment to the wind energy sector and their role in advancing sustainable energy solutions.


5. SUSI Partners

  • Website: susi-partners.com
  • Type: Venture Capital
  • Headquarters: Zurich, Zurich, Switzerland
  • Founded year: 2009
  • Headcount: 51-200
  • Number of deals in 2024: 4
  • LinkedIn: susi-partners-ag

SUSI Partners is an investment management firm based in Zurich, Switzerland, specializing in energy transition infrastructure. Founded in 2009, the firm focuses on providing institutional investors with access to mid-market private infrastructure opportunities, particularly in renewable energy, energy efficiency, and energy storage solutions. Their clients include pension funds and insurance companies seeking responsible investment options that contribute to climate neutrality. Recent transactions include acquiring a majority stake in APAL MW, a French renewable energy developer, which enhances their capabilities in clean energy development. They also secured funding for projects in electric vehicle charging and collaborated with BIWO Renovables for large-scale solar and battery storage projects in Chile. While these transactions do not directly involve wind turbine maintenance, they reflect SUSI Partners' commitment to the renewable energy sector, which is closely related to wind energy.


6. Phoenix Contact Innovation Ventures GmbH


Phoenix Contact Innovation Ventures GmbH is a corporate venture capital firm based in Blomberg, North Rhine-Westphalia, Germany, founded in 2015. The firm specializes in investing in high-tech startups that focus on disruptive technologies and sustainable solutions. They provide venture capital, advisory services, and networking opportunities to help startups scale and innovate in sectors such as energy and mobility. Notably, Phoenix Contact has invested in WindESCo, a company that enhances wind turbine performance, and Eologix, which operates in the green tech space and has raised significant funding for international growth. These investments highlight their commitment to supporting innovations that can improve the efficiency and sustainability of energy production, including wind energy.


7. Egeria REI GmbH Ijzendoorn & Co. KG


Egeria REI GmbH Ijzendoorn & Co. KG is a private equity investment firm based in Berlin, Germany, founded in 1997. The firm specializes in private equity and real estate investments, focusing on partnering with healthy businesses to drive sustainable growth through strategic investments. Egeria operates primarily in the Netherlands, the DACH region, and North America, providing capital and management expertise to businesses seeking to expand and thrive. Notably, Egeria acquired Vestas, a leading manufacturer of wind turbines, on May 1, 1998. This acquisition highlights Egeria's historical involvement in the wind energy sector, which may position them as a potential investor in wind turbine maintenance, despite their broader investment strategy.


8. 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. Bayern Kapital supports its clients with financial resources and access to a network of industry experts, helping them navigate the challenges of growth and development in various sectors, including life sciences and software. Notably, Bayern Kapital has invested in fos4X, a Munich-based company that focuses on fiber optic sensor technology for wind energy applications. This investment highlights Bayern Kapital's engagement in the wind energy sector, particularly in technologies that can improve the maintenance and operational efficiency of wind turbines. The firm has participated in multiple funding rounds for fos4X, including Series A and Series B rounds, indicating a sustained interest in supporting advancements in wind energy technology.


9. b2venture

  • Website: b2venture.vc
  • Type: Venture Capital
  • Headquarters: St. Gallen, St. Gallen, Switzerland
  • Founded year: 2000
  • Headcount: 11-50
  • Number of deals in 2024: 15
  • LinkedIn: btovpartners

b2venture is a venture capital firm based in St. Gallen, Switzerland, founded in 2000. The firm specializes in early-stage investments in innovative startups across various sectors, providing financial backing and support to entrepreneurs. They collaborate with a community of angel investors, enhancing their investment strategy and positioning them as a key player in the European venture capital landscape. Notably, b2venture participated in a funding round for ROMO Wind, investing €4.8 million alongside other investors. This investment highlights their engagement in the wind energy sector, particularly in companies that may contribute to wind turbine maintenance and technology. Additionally, they have been involved in other ventures, such as CellEra, but the focus on ROMO Wind is particularly relevant to the wind turbine maintenance context.


10. Siemens Financial Services


Siemens Financial Services, based in Munich, Bavaria, Germany, is a corporate investor that specializes in providing financial solutions to support the growth and efficiency of businesses across various sectors, including industry, infrastructure, mobility, and healthcare. Founded in 1997, Siemens combines its technological expertise with financial services to enable digital transformation and sustainability. In 2024, Siemens Financial Services was involved in significant transactions such as the $550 million debt financing for Clearway Energy Group, which operates in the renewable energy sector, and a $50 million venture round for AMPIN Energy Transition, indicating their engagement in energy transition initiatives. While these transactions do not explicitly mention wind turbine maintenance, they reflect Siemens' commitment to supporting the energy sector, which includes wind energy solutions.


11. Pace Ventures

  • Website: paceventures.com
  • Type: Venture Capital
  • Headquarters: Berlin, Berlin, Germany
  • Headcount: 1-10
  • Number of deals in 2024: 4
  • LinkedIn: paceventures

Pace Ventures is a venture capital firm based in Berlin, Germany, that specializes in investing in health-tech and climate-tech startups. Founded with a mission to provide financial support and strategic guidance to innovative founders, Pace Ventures focuses on fostering companies that tackle critical global health and environmental challenges. Notably, they have participated in funding rounds for Aerones, a company that has raised significant capital to expand its robotics business, which is directly related to wind turbine maintenance. Their investments in Aerones, including a seed round of $8.3 million and a subsequent $30 million growth capital round, highlight their commitment to advancing technologies that can enhance the maintenance and efficiency of wind turbines, thereby contributing to the broader climate-tech landscape.


12. UVC Partners


UVC Partners is a venture capital firm based in Munich and Berlin, specializing in investing in B2B startups across Europe. Founded in 2011, the firm provides financial support and strategic guidance to early-stage companies, helping them grow in competitive markets. UVC Partners has a diverse portfolio that includes innovative startups in various sectors, including renewable energy. Notably, they have invested in fos4X, a Munich-based company focused on fiber optic sensor technology for wind energy. This investment highlights UVC Partners' commitment to supporting advancements in the wind energy sector, particularly in technologies that can improve wind turbine maintenance and performance. Their involvement in multiple funding rounds for fos4X, including Series A and Series B, underscores their strategic focus on the wind energy industry.


13. Verbund

  • Website: verbund.com
  • Type: Corporate
  • Headquarters: Vienna, Vienna, Austria
  • Founded year: 1947
  • Headcount: 1001-5000
  • Number of deals in 2024: 2
  • LinkedIn: verbundag

VERBUND is an energy company based in Vienna, Austria, specializing in electricity generation and services. Founded in 1947, the company has grown to employ between 1001 and 5000 people and is recognized for its commitment to sustainable energy sources, including hydropower, wind, and solar power. In 2024, Verbund made a significant move in the wind energy sector by acquiring a wind farm located in Burgenland, Austria. This acquisition highlights their active role in the wind energy market and their potential involvement in wind turbine maintenance, as they expand their portfolio in renewable energy solutions and services.


14. Meag

  • Website: meag.com
  • Type: Corporate
  • Headquarters: Flensburg, Schleswig-Holstein, Germany
  • Founded year: 1999
  • Headcount: 501-1000
  • Number of deals in 2024: 5
  • LinkedIn: meag

MEAG Munich Ergo Assetmanagement GmbH is an asset management company based in Flensburg, Schleswig-Holstein, Germany, founded in 1999. It provides investment management services for institutional and private clients, specializing in a diverse range of asset classes, including bonds, equities, real estate, and renewable energy investments. In recent transactions, MEAG has demonstrated its commitment to the renewable energy sector by investing US$300 million for a 12% stake in Longroad Energy, a leading provider of renewable energy project development, which is crucial for the growth of wind energy projects. Additionally, MEAG, in collaboration with DWS, acquired Weltec, a German biomethane and biogas producer, further emphasizing its strategy to invest in renewable energy. These transactions highlight MEAG's active role in the renewable energy landscape, which encompasses wind energy and related maintenance services.


15. Axpo Group

  • Website: axpo.com
  • Type: Corporate
  • Headquarters: Baden, Aargau, Switzerland
  • Founded year: 1914
  • Headcount: 5001-10000
  • Number of deals in 2024: 1
  • LinkedIn: axpo-group

Axpo Group, founded in 1914 and based in Baden, Aargau, Switzerland, is a corporate investor specializing in the energy sector, particularly in the production, distribution, and trading of electricity. With a workforce of 5001-10000 employees, Axpo is committed to sustainability and the transition to renewable energy sources. A significant transaction that highlights their involvement in the wind energy sector is the acquisition of Volkswind, a German wind developer, announced on July 28, 2015. This acquisition included a portfolio of 31 wind farms totaling 154MW and a substantial project pipeline in Germany and France. By strengthening their position in renewable energies and expanding their market presence in wind power construction and development, Axpo Group is actively participating in the wind energy landscape, which may encompass maintenance activities for the wind farms they operate.


16. 3A Composites


3A Composites, a division of Schweiter Technologies AG, is a corporate investor based in Cham, Zug, Switzerland, specializing in composite materials for lightweight construction solutions. Founded in 1912, the company has a long history of innovation in materials used across various industries, including architecture and transport. In 2023, 3A Composites fully acquired JMB Wind Engineering, increasing its stake from 40% to 100%. This strategic acquisition aims to enhance their business area focused on balsa and PET products specifically designed for wind farms. JMB Wind Engineering reported sales of approximately 70 million euros in 2022, indicating a significant presence in the wind energy sector. This move highlights 3A Composites' commitment to expanding its footprint in the wind turbine maintenance industry, making them a relevant player in this market.



Wind Turbine Maintenance Insights: Key Investors in DACH


InvestorHeadquarterSizeFoundedDeals 2024
RweEssen, North Rhine-Westphalia, Germany10001+18983
SiemensMunich, Bavaria, Germany10001+184711
Partners GroupBaar, Zug, Switzerland1001-5000199619
Demeter-PartnersBerlin, Berlin, Germany11-5020070
SUSI PartnersZurich, Zurich, Switzerland51-20020094
Phoenix Contact Innovation Ventures GmbHBlomberg, North Rhine-Westphalia, Germany1-1020151
Egeria REI GmbH Ijzendoorn & Co. KGBerlin, Berlin, Germany51-20019970
Bayern KapitalLandshut, Bavaria, Germany11-50199527
b2ventureSt. Gallen, St. Gallen, Switzerland11-50200015
Siemens Financial ServicesMunich, Bavaria, Germany1001-5000199715
Pace VenturesBerlin, Berlin, Germany1-104
UVC PartnersGarching, Bavaria, Germany11-50201115
VerbundVienna, Vienna, Austria1001-500019472
MeagFlensburg, Schleswig-Holstein, Germany501-100019995
Axpo GroupBaden, Aargau, Switzerland5001-1000019141
3A CompositesCham, Zug, Switzerland1001-500019120


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