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The integrated
photovoltaics specialist

Creating the Future.
With Substance.

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Developing, designing, building and operating solar power plants.

This is how we engage for a life-friendly future, powered by green energy.

With a team of around 200 employees, greentech is a leading expert in project development, plant design, technical consulting, construction, operational management and asset management of photovoltaic power plants.

As a fully integrated PV specialist, we cover the entire value chain in realising PV power plants. Our focus: to advance the urgently needed expansion of renewable energies, to operate power plants reliably and optimally, and to manage assets successfully. In this way, we make a measurable long-term contribution to the complete switch to green energy.

We are project developers for large-scale ground-mounted photovoltaic systems and battery energy storage systems (BESS) in Europe and develop projects from the initial idea through to implementation. In addition to identifying sites, carrying out approval procedures and the technical planning of the grid connection, the marketing of the electricity also plays a key role.

The projects are financed by the Group and in partnership with institutional investors.


Construction / EPC

We design and build PV power plants in the MW range in Germany.

The turnkey construction of PV plants includes engineering, procurement of components, construction and commissioning of the plant. We consider each location and each project individually and from the different perspectives and experiences of an integrated PV specialist.

This way we realise profitable and long-lasting solar power plant for the future.



We take care of your investment.

With many years of experience and comprehensive technical expertise, we take over the technical and commercial management of photovoltaic plants.

We adapt our services modularly to your needs and structures. In this way, we individually design an optimal and cost-efficient service package for your plant. In every phase of operation, we are at your side with advice and support to ensure that your plant produces green electricity reliably for a long time.



When constructing new PV systems, a professional system design and the quality of the construction are the basis for a sustainable investment. During subsequent operation, it is also important to ensure high availability and the best possible performance of the system on a permanent and reliable basis.

From the initial site analysis to sound tender management and expert construction support to special inspections or later repowering – as a service provider or independent expert, our team of engineers and technicians offers comprehensible solutions and useful assistance for the benefit of your plant.

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Years of experience


Professionals in our team

under management


We strive to make the world a greener and better place, here is how:

LinkedIn Feed

Issue Solving: Control System Error

Issue Solving: Control System Error

We have noticed that the lifetime of the UPS batteries used in the uREG control system, which is used in many of the systems we operate in Poland, was exceptionally short across the board. The failure immediately led to limited availability of the systems and, as a result, to comparatively high material costs due to frequent replacement. The aim was to identify this conspicuous problem. To this end, numerous parameters were scrutinised both in the preliminary analysis and on site: From testing the battery system and the buffer module to preparing and carrying out various measurements. The result: the deep discharge protection was too low and reconnection required a higher current of more than 10 A. The conclusion was that the problem could be solved by reconfiguration of the buffer module inside the power supply unit. To be on the safe side, only the UPS batteries on some of the affected PV systems were replaced in the first place. After significantly reduced downtimes of these control systems and additional checks during the annual inspection, the measure was extended to all other affected systems – with great success. The costs for analysing and replacing were hardly any higher than the costs for replacing the batteries, which were previously incurred almost every six months.

#OandM #solarpower #photovoltaics

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Intersolar 2024

Intersolar 2024

Once again this year, our greentech booth at #intersolar served as a meeting point for numerous customers, business partners and walk-ins interested in our project development, EPC, PV operations, engineering services and asset management. We really enjoyed the many impressions, the professional exchange and numerous inspiring discussions and, of course, the one or other booth party! Our joint network meeting in co-operation with ENERPARC AG and solar-konzept GmbH was as enertaining as ever, reconnecting with old and new friends. This time we additionally broadcasted the European ⚽ Championship match between Germany and Hungary. We extend our heartfelt thanks to everyone involved, especially our dedicated #greentech team, for making Intersolar 2024 a resounding success. See you again next year!

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Inbetriebnahme Schleswig-Holstein-Trio

Inbetriebnahme Schleswig-Holstein-Trio

At the celebration of the commissioning of our “Schleswig-Holstein Trio” PV portfolio last week, we were delighted to welcome numerous visitors on site from landowners, local and state politicians, representatives of many of the companies involved and, of course, some of the greentechies who made the realisation of this park possible. And this is what it looked like.

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greentech Careers

You want to combine your profession with a meaningful goal?

At greentech we work together and with passion on our mission to make electricity from renewable energies a matter of course. We are happy to welcome new, committed colleagues who want to make a difference together as a team and with new ideas!

Take a look at our job portal. – Haven’t found a suitable position? Then send us an open application!

greentech engineer working on PV power plant software
greentech team meeting in office environment


Are you looking for an experienced PV specialist?