OET Group

Global Technology Leader in OPVs

OPV Installations is a specialized division of Organic Photovoltaics, a deep-tech company at the forefront of the green energy transition. OPV Installations is a global leader in third-generation photovoltaics, focusing on Organic Semi-Transparent Photovoltaics (OPVs), and stands out for its expertise in both OPV manufacturing and real-world applications. As the core pillar of green industry and energy within the Nanotech Hub Thessaloniki, OPV Installations supports a dynamic innovation ecosystem that bridges cutting-edge research, education, and commercialization. Founded by Professor Stergios Logothetidis, the Nanotech Hub leads in multiple nanotechnology sectors including green energy (OPVs), lighting (OLEDs), Nano-agriculture, Nano-medicine, and Nano-cosmetics. Through OPV Installations, OPV Installations delivers tailored, integrated energy solutions—transforming architectural and infrastructure elements into clean, sustainable power systems.

OET Entities

OET GROUP has two business divisions:

OET Manufacturing:

Specializing in large-scale manufacturing of organic photovoltaics using nanotechnology. OET Manufacturing is installing the first world’s manufacturing line for flexible transparent Photovoltaics in Thessaloniki, with an annual capacity of 1 million square meters, funded by the E.U.

OPV Installations:

Specializing in installations and innovative applications in :

– Agrivoltaics
– Urban Infrastructure
– Building Integrated Photovoltaics
– Vehicles & Mobility
– Defense
– Tourism
– Wearables

OET’s innovations in organic photovoltaics (OPVs) support transition to a green economy through renewable energy solutions.

Reshaping the energy landscape!

Our success story is a testament to the dedication of a dynamic team of experts who are the driving force behind our innovation, coordinate projects, and foster excellence in research.

Fueled by a shared vision for a sustainable future, our team continues to lead the way in green industry and green energy solutions. Comprised of industry experts in the fields of nanotechnology, physics, chemistry, materials engineering, electronics, engineering, agriculture, medicine and beyond, each member contributes invaluable expertise to our mission of innovation and sustainability.

History

Founded in 2012 by Prof. Stergios Logothetidis, a pioneer in the fields or thin film and organic electronic technologies OET’s roots trace back to the late 1980s when he was established the Nanotechnology Lab LTFN at the Aristotle University of Thessaloniki. Born from a vision to harness the potential of nanotechnologies and organic electronics for a sustainable future, OET has evolved into a world leader, coordinating numerous European and National R&D projects, and working together with more than 100 European research institutes and Universities and high-tech companies creating a robust ecosystem centered on advanced materials, thin films, organic printing electronics, bioelectronics and nanometrologies. Awarded twice with the prestigious Seal of Excellence from the European Innovation Council, OET exemplifies innovation and excellence in the pursuit of a greener tomorrow.

OET’S UNIQUE CORE COMPETENCIES INCLUDE:

– R2R manufacturing and mass production of fully printed OPVs
– Process technologies and manufacturing automations for flexible OPVs and OLEDs
– In-line optical metrologies and quality control tools for process reliability and manufacturability
– Turn-key Solutions for design and development of highly performing OPV and OLED applications.

OET invests in young professionals with high expertise in rising and contemporary scientific fields, while matchmaking its human assets with established business professionals