OSTENWEG
Reliable and Versatile PV Project Construction Across Europe.
Qualified Staff
Highly experienced and qualified staff, while meeting all standards.
Reliability
A dependable partner committed to timely, high-quality project completion.
Guarantee
Ensuring top standards, long-term reliability, and client satisfaction.
Milestones
Ostenweg
Services
Ostenweg
Ostenweg specializes in EPC services, focusing primarily as the Main Contractor for photovoltaic power plant construction all over Europe. Authorized in Engineering and Design with no voltage limit in Romania.
ONLY with our own personnel, we manage projects from planning through construction and handover, ensuring meticulous attention and successful completion.
1. Civil Works
Includes road construction, foundations, and fencing.
2. Mechanical Installation
Involves precision piling works using GPS-equipped ramming machines and proficient assembly of structures and modules.
3. Electrical Installation
Managed by certified engineers and electricians handling all AC/DC cabling, inverter installations, and Scada/Monitoring systems.
4. Testing and Commissioning
Conducts thorough testing in line with industry standards.
5. Design and Engineering
Authorized across Europe to design and engineer PV plants up to 110 kV.
6. Construction of Substations
Complete construction and installation of substations with no voltage limit.
Project References
Ostenweg
In 2025, we successfully delivered our largest Agri-PV project to date—a 30 MWp installation in Austria, built with Schletter structures. This milestone reinforces our ability to execute innovative PV solutions and supports our roadmap to scale the platform beyond 200 MW.
In 2025, we delivered our largest project to date—a 126 MW PV plant in Romania under a full EPC scope. This landmark achievement was a major challenge for our team and highlights our capability to execute complex, large-scale renewable assets end to end.
In 2025, we stepped in on an urgent basis to rescue the 30 MW Ouburg floating PV project in Belgium, facing major anchoring challenges. Our rapid intervention stabilized delivery and enabled successful completion within the original deadline.
In 2020, we celebrated a significant milestone with the completion of our first major ground-mounted PV project, a 41MW installation in Spain. This achievement marked a pivotal moment in our journey, shaping us into the company we are today.
In 2021, we set a record by constructing the largest floating solar project in Europe, located in the Netherlands, with an overall capacity of 41MW. This achievement highlights our capability to deliver large-scale PV projects efficiently and effectively.
In 2023, we successfully built our first project in Italy—a 51MW installation featuring a 2P fixed tilt solution. This project represents our continued expansion and commitment to delivering advanced renewable energy solutions across Europe.
In 2023, we completed our first ‘Light’ EPC project in Romania, which included design and the installation of a 51MW tracker system. Our excellent results led to our customer awarding us the Glodeni II phase, a 64MW project with the same scope of work, set to commence in 2024
In 2024, we proudly embarked on the construction of our largest PV project to date, nearly 100MW in Spain. This significant endeavor underscores our commitment to advancing renewable energy solutions on a grand scale.
We delivered the energization of Germany’s largest floating solar project—a 15MW installation that we successfully built within just two months. This rapid completion underscores our efficiency and expertise in delivering complex renewable energy solutions
Contact
Ostenweg
Popa Ciprian
Manager
L.Miguel Martín
Sales & Enquiries
Tudor Neamtu
Recruitment
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