The power electronics sector in Germany plays a transformative role in the modern technological landscape. It focuses on the conversion and control of electric power, crucial for applications like electric mobility, renewable energy systems, and industrial automation. Companies within this industry range from large corporations specializing in advanced components to smaller niche firms offering innovative solutions. With a growing emphasis on sustainability, many firms are increasingly adapting their offerings for energy efficiency. The industry's future appears bright, driven by advancements in Electric Vehicle (EV) technologies, smart grid solutions, and extensive integration of renewable energy sources.


This compilation highlights 23 companies in Germany’s power electronics sector, varying in size from small teams to over 10,000 employees. Their headquarters are spread across regions, with a remarkable number founded in the late 20th century. These firms specialize in an array of products, such as power modules, electronic components, and advanced energy management systems. From established names like KOSTAL Group to innovative newcomers like ai-energy GmbH, this list showcases companies contributing to a more electrified future.


Continue reading to discover Germany's top power electronics companies.


Top 23 Power Electronics Companies in Germany


1. KOSTAL Group

  • Website: kostal.com
  • Ownership type: Family Owned
  • Headquarters: Neunkirchen, North Rhine-Westphalia, Germany
  • Employee distribution: Mexico 18%, Germany 18%, Bulgaria 9%, Other 55%
  • Founded year: 1912
  • Headcount: 10001+
  • LinkedIn: kostal-group

KOSTAL Group, founded in 1912 and based in Neunkirchen, North Rhine-Westphalia, Germany, is a family-owned manufacturing company that specializes in automotive electrical systems, industrial electronics, and solar energy solutions. With over 19,900 employees across 46 locations worldwide, KOSTAL has established itself as a key player in the power electronics industry. The company designs and produces innovative products, including inverters, drive controllers, and connectors, catering to major automotive manufacturers and other sectors. KOSTAL's commitment to quality and customer satisfaction is evident in its substantial investment in research and development, which supports the creation of cutting-edge technologies that enhance energy efficiency and performance in various applications.


2. Vincotech

  • Website: vincotech.com
  • Ownership type: Private
  • Headquarters: Unterhaching, Bavaria, Germany
  • Employee distribution: Hungary 71%, Germany 20%, China 7%, Other 2%
  • Founded year: 1968
  • Headcount: 501-1000
  • LinkedIn: vincotech

Vincotech, based in Unterhaching, Bavaria, Germany, is a private power electronics manufacturer that specializes in high-quality power modules. Established in 1968, the company has carved out a niche in the power electronics industry, focusing on applications in motion control, renewable energy, and power supply. Vincotech's product range includes various power modules, such as rectifiers, inverters, and solid-state relays, designed to enhance the performance of their clients' products. The company prides itself on its engineering expertise and innovative approach, collaborating closely with customers to develop solutions tailored to their specific requirements. With a workforce of approximately 800 employees, Vincotech operates primarily in Hungary, Germany, and China, showcasing its international reach. The company is also committed to sustainability and social responsibility, actively participating in initiatives that support local communities and environmental efforts.


3. TDK Electronics

  • Website: tdk-electronics.tdk.com
  • Ownership type: Private
  • Headquarters: Flensburg, Schleswig-Holstein, Germany
  • Employee distribution: Germany 24%, Brazil 22%, India 18%, Other 36%
  • Founded year: 1935
  • Headcount: 10001+
  • LinkedIn: tdk-electronics

TDK Electronics, based in Flensburg, Germany, is a prominent electronics manufacturer with a history dating back to 1935. The company specializes in a broad spectrum of electronic components, including capacitors, inductors, and sensors. TDK serves various industries, notably automotive and renewable energy, providing critical components that enhance the performance and reliability of electronic devices. Their product offerings are integral to power electronics, particularly in applications like frequency converters, solar inverters, and electric vehicle systems. TDK operates on a global scale, emphasizing innovation and quality in its manufacturing processes. With a workforce of over 10,000 employees, TDK is well-positioned to meet the growing demands of the power electronics sector.


4. Finepower GmbH

  • Website: finepower.com
  • Ownership type: Private
  • Headquarters: Ismaning, Bavaria, Germany
  • Employee distribution: Germany 78%, Czech Republic 22%
  • Founded year: 2001
  • Headcount: 11-50
  • LinkedIn: finepower-gmbh

Finepower GmbH, established in 2001 and headquartered in Ismaning, Bavaria, Germany, is an engineering firm that specializes in advanced power electronics solutions. With a workforce of approximately 35 employees, the company provides a range of products and services, including power supplies and engineering consulting. Their primary clientele includes businesses in the automotive and renewable energy sectors, where they focus on improving efficiency and reliability in power systems. Finepower is also involved in various projects and cooperations, showcasing their commitment to innovation and collaboration within the industry. The company has been recognized for its contributions to power electronics, including receiving the seal "Innovative through Research" from the Donors' Association for the Promotion of Sciences and Humanities in Germany. This recognition highlights their ongoing efforts to advance technology and support the evolution of power electronics applications.


5. Semikron Danfoss

  • Website: semikron-danfoss.com
  • Ownership type: Family Owned
  • Headquarters: Nuremberg, Bavaria, Germany
  • Employee distribution: Germany 63%, Italy 9%, United States (USA) 7%, Other 21%
  • Founded year: 2022
  • Headcount: 1001-5000
  • LinkedIn: semikron

Semikron Danfoss, based in Nuremberg, Bavaria, Germany, is a power electronics manufacturer that specializes in the production and distribution of power modules and electronic components. Founded in 2022, the company serves various sectors, including electronics and power systems, providing essential products for reliable power management. Their product range includes IGBT/MOSFET modules, thyristor/diode modules, and SiC components, among others. Semikron Danfoss also features an online shop that allows customers to purchase components directly, enhancing their market presence. With a workforce of approximately 1,374 employees, the company has a significant footprint in Germany and maintains a growing international presence, particularly in Italy, the USA, France, and Brazil. This strategic positioning enables them to cater to a global customer base, further solidifying their role in the power electronics industry.


6. Delta Energy Systems (Germany) GmbH


Delta Energy Systems (Germany) GmbH, founded in 1971, is a private power electronics manufacturer based in Soest, North Rhine-Westphalia, Germany. The company specializes in creating innovative power supply solutions and smart battery chargers tailored to meet the specific needs of various industries, including automotive, telecommunications, data centers, industrial applications, and medical sectors. With a workforce of around 160 employees, Delta Energy Systems has established itself as a reliable partner in the power electronics field. Their product offerings include on-board chargers, DC/DC converters, and power solutions for data centers, all designed with a focus on high efficiency and power density. The company is part of the Delta Group, which enhances its capabilities and reach in the global market. Delta Energy Systems is committed to addressing environmental challenges through energy-efficient designs and sustainable practices, positioning itself as a relevant player in the power electronics industry.


7. alfatec GmbH & Co. KG

  • Website: alfatec.de
  • Ownership type: Private
  • Headquarters: Rednitzhembach, Bavaria, Germany
  • Employee distribution: Germany 100%
  • Founded year: 1978
  • Headcount: 51-200
  • LinkedIn: alfatec-management-gmbh

alfatec GmbH & Co. KG, founded in 1978 and based in Rednitzhembach, Bavaria, Germany, is a private company that specializes in electronic components. With a workforce of around 80 employees, alfatec provides a wide array of products, including active components like MOSFETs, IGBTs, and thyristors, as well as passive components such as capacitors and inductors. Their products are essential for various applications, particularly in the automotive and renewable energy sectors, where high-quality electronic components are critical. The company also offers thermal management solutions and optoelectronics, further enhancing their portfolio. By focusing on industries that demand reliable and efficient power electronics, alfatec positions itself as a valuable partner for businesses looking to innovate and improve their electronic systems.


8. GVA Leistungselektronik GmbH

  • Website: gva-power.de
  • Ownership type: Private
  • Headquarters: Mannheim, Baden-Württemberg, Germany
  • Employee distribution: Germany 100%
  • Founded year: 1994
  • Headcount: 11-50
  • LinkedIn: gva-leistungselektronik-gmbh

GVA Leistungselektronik GmbH, based in Mannheim, Germany, is a private company founded in 1994. With a workforce of 11 to 50 employees, GVA specializes in manufacturing high-quality power electronics components and systems. Their offerings include a range of products such as power semiconductors, sensors, capacitors, and inverters, which are integral to applications in drive technology and energy technology. GVA is dedicated to providing tailored solutions that ensure efficient integration of their products into customer applications. They also offer consulting services that support clients throughout the entire product lifecycle, from development to production. The company prides itself on its ability to produce prototypes and series production efficiently, maintaining high standards of quality assurance. GVA's commitment to innovation and customer satisfaction positions it as a relevant entity in the power electronics industry.


9. Telefunken Semiconductors

  • Website: tfsemi.com
  • Ownership type: Private
  • Headquarters: Heilbronn, Baden-Württemberg, Germany
  • Employee distribution: United States (USA) 66%, Germany 34%
  • Founded year: 1903
  • Headcount: 201-500
  • LinkedIn: telefunken-semiconductors

Telefunken Semiconductors, also known as TF Semiconductor Solutions, is a private semiconductor manufacturer based in Heilbronn, Germany. Founded in 1903, the company has a long history in the electronics industry. TF Semi specializes in energy-efficient integrated circuits designed for power management and high-performance interfaces. Their product lineup includes high-side and low-side gate drivers, half-bridge and three-phase gate drivers, which are essential for applications such as motor control, industrial lighting, and Class-D audio amplifiers. With a strong emphasis on innovative design and technology, Telefunken Semiconductors aims to provide solutions that enhance performance while reducing power consumption. The company operates globally, with a significant presence in both the United States and Europe, and serves a variety of sectors within the electronics industry.


10. SAXOGY POWER ELECTRONICS GmbH

  • Website: saxogy.de
  • Ownership type: Private
  • Headquarters: Chemnitz, Saxony, Germany
  • Employee distribution: Germany 100%
  • Founded year: 2004
  • Headcount: 11-50
  • LinkedIn: saxogy

SAXOGY POWER ELECTRONICS GmbH, founded in 2004 and based in Chemnitz, Saxony, Germany, specializes in power electronics. The company develops and manufactures a range of products, including test equipment, safety technology, and electronic components tailored for industries such as automotive, energy, and transport. With a team of around 30 dedicated professionals, SAXOGY focuses on creating customized solutions that meet the specific needs of their clients. Their offerings include systems for testing power electronic components like thyristors and IGBTs, as well as safety equipment and research services. SAXOGY's commitment to quality and innovation is evident in their approach to electronics development, where they prioritize adaptability and sustainability. They have established a reputation for addressing complex challenges in power electronics, making them a valuable partner for R&D departments seeking specialized solutions.


11. Fuji Electric Europe - Drives & Automation


Fuji Electric Europe - Drives & Automation, established in 1987, is an engineering firm based in Offenbach, Germany. The company specializes in electrical and thermal power engineering, providing a range of products and services tailored for energy-intensive industries. Their offerings include low voltage drives, regenerative converters, servo systems, and various semiconductor products such as IGBTs and SiC modules. Fuji Electric Europe aims to help businesses reduce their energy consumption and carbon footprints through innovative technologies. They serve clients across Europe, the Middle East, and Africa, emphasizing their role as a reliable partner in the power electronics sector. The company is part of Fuji Electric Co., Ltd., headquartered in Tokyo, Japan, which further strengthens its global presence and expertise in the industry.


12. EA Elektro-Automatik

  • Website: elektroautomatik.com
  • Ownership type: Corporate
  • Headquarters: Viersen, North Rhine-Westphalia, Germany
  • Employee distribution: Germany 81%, United States (USA) 15%, Other 5%
  • Latest funding: April 2024
  • Founded year: 1974
  • Headcount: 201-500
  • LinkedIn: ea-elektro-automatik

EA Elektro-Automatik, based in Viersen, North Rhine-Westphalia, Germany, is a technology manufacturer that specializes in power supply and electronic load devices. Established in 1974, the company has built a reputation for providing high-quality programmable DC power supplies and electronic load solutions. Their products are utilized across various industries, including automotive, renewable energy, and battery technology, catering to the needs of businesses and research institutions that require dependable power solutions for testing and development. With a global operational footprint, EA Elektro-Automatik emphasizes innovation and quality in its manufacturing processes. The company has a workforce of approximately 450 employees and maintains a strong presence in key markets, including the United States and China. Their commitment to advancing power electronics technology is evident through their participation in industry events and collaborations with other technology firms.


13. eesy-ic GmbH

  • Website: eesy-ic.com
  • Ownership type: Corporate
  • Headquarters: Erlangen, Bavaria, Germany
  • Employee distribution: Germany 100%
  • Latest funding: March 2023
  • Founded year: 2012
  • Headcount: 51-200
  • LinkedIn: eesy-ic-gmbh

eesy-ic GmbH, based in Erlangen, Bavaria, Germany, is a semiconductor manufacturer that was founded in 2012. The company operates within the automotive technology sector, providing a range of products that include MEMS sensors, system ICs, and power semiconductors. Their offerings cater primarily to automotive manufacturers, focusing on enhancing vehicle safety and performance. eesy-ic GmbH is particularly noted for its contributions to the development of power semiconductors, which are crucial for electric vehicles, helping to reduce power losses in drive electronics and power converters. The company has a workforce of approximately 51-200 employees, all located in Germany, and has not reported any recent funding activities.


14. Magnetec Group

  • Website: magnetec.de
  • Ownership type: Private
  • Headquarters: Hanau, Hesse, Germany
  • Employee distribution: Germany 40%, Moldova 20%, Vietnam 16%, Other 25%
  • Founded year: 1984
  • Headcount: 501-1000
  • LinkedIn: magnetec

Magnetec Group, based in Hanau, Hesse, Germany, is a private company founded in 1984. It specializes in the manufacturing of inductive components that serve various industries, including automotive, energy, and safety. The company is known for its commitment to developing high-quality products that enhance the efficiency and reliability of electrical systems. With a workforce of around 650 employees, Magnetec operates internationally, with a notable presence in countries like Moldova, Vietnam, Hungary, and China. Their product range includes innovative solutions such as the CoolBlue® and SafeBlue® series, which address specific challenges in power electronics applications. Magnetec's focus on research and development reflects their dedication to meeting the evolving demands of the industry, making them a relevant player in the power electronics sector.


15. Panasonic Industry Europe


Panasonic Industry Europe GmbH, based in Ottobrunn, Bavaria, Germany, is a prominent manufacturer of electronic components and automation solutions. Established in 1918, the company has evolved to offer a wide array of products, including relays, sensors, batteries, and motors. These products cater primarily to sectors such as automotive, energy, and manufacturing, where they play a critical role in enhancing operational efficiency. Panasonic Industry Europe is particularly noted for its innovative solutions in power relays and energy storage systems, which are essential in modern power electronics applications. The company operates with a workforce of over 800 employees, primarily in Germany, and maintains a strong presence across Europe. Their commitment to quality and performance is evident in their extensive product offerings and ongoing development in energy efficiency solutions.


16. SCHIEDERWERK GmbH


SCHIEDERWERK GmbH, founded in 1919, is a private manufacturer based in Nuremberg, Germany, specializing in custom power supplies. With a workforce of around 200 employees, the company has carved out a niche in several key industries, including e-mobility, medical technology, and lighting. Their product offerings include innovative solutions designed to meet the specific needs of their clients, ensuring reliability and efficiency in power supply systems. Over the years, SCHIEDERWERK has evolved from its origins in telecommunications to become a significant player in the power electronics market, focusing on high-performance LED drivers and electronic ballasts. Their commitment to quality is underscored by certifications such as DIN EN ISO 9001 and ISO 14001, reflecting their dedication to both product excellence and environmental sustainability. The company continues to support its customers in implementing successful innovations, leveraging its extensive experience and technical know-how.


17. Elektrosil GmbH

  • Website: elektrosil.com
  • Ownership type: Private
  • Headquarters: Hamburg, Hamburg, Germany
  • Employee distribution: Germany 100%
  • Founded year: 1977
  • Headcount: 51-200
  • LinkedIn: elektrosil

Elektrosil GmbH, founded in 1977 and based in Hamburg, Germany, is a private company that specializes in electronics and electromechanics. With a workforce of around 51-200 employees, Elektrosil focuses on providing a wide array of products, including displays, cooling solutions, and notably, power supplies. The company serves a variety of sectors, particularly automotive and medical technology, where they offer tailored solutions to meet specific client needs. Their operations span from initial development to final delivery, showcasing their comprehensive approach to engineering and manufacturing. Elektrosil is committed to high-quality standards, evidenced by their adherence to ISO 9001:2015 certification, ensuring that their products meet rigorous industry requirements. Their expertise in power supply units positions them as a relevant player in the power electronics industry, contributing to advancements in technology and efficiency across multiple applications.


18. INRO Elektrotechnik GmbH

  • Website: inro-et.de
  • Ownership type: Family Owned
  • Headquarters: Stockstadt Am Main, Bavaria, Germany
  • Employee distribution: Germany 100%
  • Founded year: 1991
  • Headcount: 51-200
  • LinkedIn: inroelektrotechnik

INRO Elektrotechnik GmbH, based in Stockstadt Am Main, Bavaria, Germany, is a family-owned electronics manufacturer that has been operational since 1991. The company specializes in control electronics, power electronics, functional safety, and charging solutions for electric vehicles. With a workforce of approximately 27 employees, INRO serves a variety of clients in the industrial and manufacturing sectors, providing innovative electronic components and systems designed to enhance efficiency and safety. Their product offerings include compact power electronics and advanced control systems tailored for demanding applications, such as electric drives in vehicles and machinery. INRO's commitment to research and development is evident in their active participation in industry associations, which helps them stay at the forefront of technological advancements. Their recent accolade as a Top Innovator in Germany further emphasizes their role as a significant player in the power electronics sector.


19. Deutronic Electronic

  • Website: deutronic.com
  • Ownership type: Private
  • Headquarters: Adlkofen, Bavaria, Germany
  • Employee distribution: Germany 84%, Brazil 16%
  • Founded year: 1983
  • Headcount: 51-200
  • LinkedIn: deutronic-elektronik-gmbh

Deutronic Electronic, founded in 1983 and based in Adlkofen, Bavaria, Germany, is a private electronics manufacturer that specializes in automotive charging technology, power supplies, motor controllers, and test systems. With a workforce of approximately 51-200 employees, the company serves a range of clients, including automotive manufacturers and industrial sectors. Deutronic is recognized for its innovative approach, providing tailored solutions that enhance energy management and testing capabilities. Their product offerings include advanced battery chargers designed for various applications, robust DC/DC converters suitable for electric and hybrid vehicles, and efficient power supplies that meet stringent industrial requirements. The company also develops custom test systems, showcasing their ability to adapt to specific client needs. Deutronic's commitment to quality and performance is evident in their extensive product range, which is designed to operate reliably under challenging conditions. Their operations are primarily based in Germany, with a notable presence in Brazil, reflecting their strategic market engagement.


20. ai-energy GmbH

  • Website: ai-energy.de
  • Ownership type: Private
  • Headquarters: Rednitzhembach, Bavaria, Germany
  • Employee distribution: Germany 100%
  • Founded year: 2020
  • Headcount: 11-50
  • LinkedIn: ai-energy-gmbh

ai-energy GmbH, established in 2020 and located in Rednitzhembach, Bavaria, Germany, is a private company focused on electronic components for e-mobility and power electronics. With a team of 11-50 employees, the company is dedicated to providing innovative solutions primarily for the automotive sector. Their product range includes film capacitors, SiC semiconductors, power modules, and thermal interface materials, all of which are crucial for the development of efficient electric vehicle technologies. ai-energy GmbH collaborates closely with specialized partners to ensure that their components meet the high standards required in the automotive industry. The company is also actively involved in industry events, showcasing their commitment to staying at the forefront of technological advancements in power electronics. Their strategic focus on e-mobility positions them well within the growing market for electric vehicles, making them a relevant player in the power electronics sector.


21. G.O. Engineering GmbH

  • Website: go-engineering.de
  • Ownership type: Corporate
  • Headquarters: Germany
  • Employee distribution: Germany 100%
  • Latest funding: September 2024
  • Founded year: 1990
  • Headcount: 51-200
  • LinkedIn: g-o-engineering

G.O. Engineering GmbH, founded in 1990 and based in Germany, specializes in the development and production of durable electronic components and assemblies. With a workforce of around 16 employees, the company has built a solid reputation over its 30 years of operation. G.O. Engineering focuses on power electronics, drive technology, and e-mobility, catering to various industries. Their services include prototyping, assembly, testing, and logistics, ensuring that they deliver high-quality products tailored to their clients' needs. The company emphasizes sustainability in its operations, aiming to minimize its ecological footprint while producing reliable electronic solutions. Their extensive experience and commitment to quality make them a relevant player in the power electronics sector.


22. Heinzinger electronic GmbH


Heinzinger electronic GmbH, based in Rosenheim, Bavaria, Germany, is a private company founded in 1959. It specializes in the manufacture of high voltage power supplies and related equipment. The company serves a variety of industries, including automotive, semiconductor, and medical technology, providing precision power solutions tailored to meet specific operational and testing needs. Heinzinger is known for its focus on quality and reliability, producing a range of products that cater to the unique specifications of its customers. With a workforce of around 34 employees, the company emphasizes regional production and has established a reputation for robust and reliable power supply solutions. Their product offerings include high voltage and low voltage power supplies, magnet power supplies, and high voltage accessories, all designed for applications in research, industrial settings, and medical technology.


23. Systemtechnik Leber GmbH & Co. KG


Systemtechnik Leber GmbH & Co. KG, founded in 1985 and based in Germany, is a private engineering services firm that specializes in product development and custom solutions in electronics and mechatronics. With a workforce of around 51-200 employees, the company serves multiple industries, including automotive, medical technology, and automation. Their expertise spans various areas, notably motor control systems, power supplies, and IoT solutions. The company emphasizes safety and regulatory compliance, which is critical in sectors like automotive and medical technology. Their product portfolio includes power supply solutions, such as switch-mode power supplies for lasers and medical devices, showcasing their capabilities in power electronics. Additionally, they have established partnerships with notable companies like Hilscher, Nordic Semiconductor, and Microchip, enhancing their technological offerings and market reach.



Power Electronics Insights: Key Companies in Germany


CompanyHeadquarterSizeFoundedOwnership
KOSTAL GroupNeunkirchen, North Rhine-Westphalia, Germany10001+1912Family Owned
VincotechUnterhaching, Bavaria, Germany501-10001968Private
TDK ElectronicsFlensburg, Schleswig-Holstein, Germany10001+1935Private
Finepower GmbHIsmaning, Bavaria, Germany11-502001Private
Semikron DanfossNuremberg, Bavaria, Germany1001-50002022Family Owned
Delta Energy Systems (Germany) GmbHSoest, North Rhine-Westphalia, Germany1001-50001971Private
alfatec GmbH & Co. KGRednitzhembach, Bavaria, Germany51-2001978Private
GVA Leistungselektronik GmbHMannheim, Baden-Württemberg, Germany11-501994Private
Telefunken SemiconductorsHeilbronn, Baden-Württemberg, Germany201-5001903Private
SAXOGY POWER ELECTRONICS GmbHChemnitz, Saxony, Germany11-502004Private
Fuji Electric Europe - Drives & AutomationOffenbach, Hesse, Germany51-2001987Private
EA Elektro-AutomatikViersen, North Rhine-Westphalia, Germany201-5001974Corporate
eesy-ic GmbHErlangen, Bavaria, Germany51-2002012Corporate
Magnetec GroupHanau, Hesse, Germany501-10001984Private
Panasonic Industry EuropeOttobrunn, Bavaria, Germany1001-50001918Corporate
SCHIEDERWERK GmbHGermany201-5001919Private
Elektrosil GmbHHamburg, Hamburg, Germany51-2001977Private
INRO Elektrotechnik GmbHStockstadt Am Main, Bavaria, Germany51-2001991Family Owned
Deutronic ElectronicAdlkofen, Bavaria, Germany51-2001983Private
ai-energy GmbHRednitzhembach, Bavaria, Germany11-502020Private
G.O. Engineering GmbHGermany51-2001990Corporate
Heinzinger electronic GmbHRosenheim, Bavaria, Germany51-2001959Private
Systemtechnik Leber GmbH & Co. KGGermany51-2001985Private


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