Solaranlagen Schraubenelement


Selecting a service provider is always also a question of trust. Next to over 10 years of solid experience in the PV industry, we offer you holistic and customised-to-your- needs solutions from a single source of contact. But don’t take our word for it – here you see what our clients say about us.

In November 2018, ADLER Solar installed a 59.85 kWp solar power system for the East Frisian farmer Henning Ommen on a stable roof with modules from Hanwha Q-Cells for his own energy needs. In total, the agricultural hybrid farm requires an average of 45,000 kW per year – the new PV system now covers 80% of this value via in-house production. On the one hand, this means major cost savings; on the other hand, the farmer is largely independent of electricity suppliers. ADLER Solar’s consulting concept also takes into account the fact that 60% of electricity consumption is incurred at night – an appropriate storage system ensures that the PV electricity generated can be used with a time delay.
„The experts from ADLER Solar gave me highly professional advice after a detailed evaluation and implemented the project just as professionally. Throughout the entire period, I had a central contact who took care of everything. The PV system is running very smoothly and I am pleased that I am not only reducing my operating costs with my own electricity, but also working with „clean“ energy. The investment will pay off!

Henning Ommen, farmer in East Frisia

For PKV Energie GmbH & Co. KG, ADLER Solar KG installed a rooftop PV system with a total output of approx. 1 MWp on the roof of the sister company Papier- und Kartonfabrik Varel GmbH & Co. in the summer of 2017. As part of the repowering project, 8,322 thin-film modules with a total output of 998 kWp were replaced by 3,557 Q CELLS Q.PLUS BFR-G4.1 280 modules with a total output of 995 kWp – these have twice the efficiency of the old modules. Special challenges of the roof-parallel installation:

– Due to the size of the building, dismantling and reassembly was carried out with the aid of a construction crane
– To avoid new roof penetrations, a mounting solution was developed which directly docks onto the existing mounting system

Additional services included the individual verification of reduced output at module level in coordination with the responsible distribution grid operator. For this purpose, all of the 8,322 modules were subjected to a performance measurement at the ADLER Solar Service Centre and proof of the technical defect was documented towards the distribution grid operator. Through this process, which we accompanied, the PV system operator was able to secure the value of his original feed-in tariff.

„Both, the professional competence in planning and the competent execution convinced me very much. As an industrial company, the paper and cardboard mill has placed special demands on the safety of the system as well as the safety of the construction site. It was remarkable that meeting these requirements was a given for the ADLER Solar team. The performance data of the PV system to date is also looking very promising.“

Kristian Evers, Management PKV Energie GmbH & Co. KG

From 2012 to 2018, ADLER Solar was the exclusive service partner for warranty claim and recycling processing in EMEA for the US module manufacturer First Solar. The range of services covered all aspects of warranty processing, from logistics to handling the recycling. A special dialogue centre with multilingual employees including a dedicated service number and e-mail address was set up for this purpose. The fulfilment was carried out according to defined process specifications and with the help of First Solar equipment in the ADLER Solar Service Centre.

Due to changed business strategies, First Solar decided to handle warranty processing independently and in-house from April 2018.

„We would like to thank them for their many years of partnership and professional cooperation. The ADLER Solar team has created a very good working atmosphere for us as First Solar and for our customers through its pleasant and competent manner in handling after-sales enquiries and has always placed customer service in the foreground“.

Leandro Netz, Manager - Global Customer Support Services - EMEA, First Solar

The perfect integration of the ADLER Solar service portfolio as well as the precise execution and reliability of our partner enable us to offer our clients everything to do with sustainable theft protection as a one-stop shop. The satisfaction of our clients shows that this plan works well in practice. All in all, we facilitated 30 projects together and secured a total capacity of over 300 MWp! The strong focus on quality of ADLER Solar is distinguishing, as is their excellent price-value ratio and consistent can-do attitude.

Oliver Strecke, Managing Director viamon GmbH (since October 2014 strategic partner for innovative PV security technology)

Since July 2018, ADLER Solar has acted as a service partner for SOLARWATT battery storage systems in the North German region regarding:

1. Support and instruction of installers during the initial installation and commissioning of SOLARWATT storage systems for new customers on site

2. Service calls for SOLARWATT at end customers for repair / fault clearance of battery systems

The ADLER Solar service technicians are experienced PV experts – trained electricians or master electricians – while SOLARWATT provides the necessary hardware and software.

„We have found a competent service partner in ADLER Solar…very experienced and competent employees…whom we have trained on our MyReserve storage system and Solarwatt EnergyManager. The first assignments were handled extremely professional and our customers helped in the shortest time possible.“

Jürgen Thurm, Team Manager Technical Support SOLARWATT

ADLER Solar was commissioned by the Bührmann Group of Bremen with the planning and installation of a PV roof system in the summer of 2018: a 690.48 kWp PV system was erected on the flat roof of a commercial building of the group. For this purpose, the ADLER Solar Team installed PV modules from Hanwha Q CELLS plus inverters from Huawei.
The existing hall statics and limited load-bearing capacity of the roof required special planning in advance. For this reason, mounting systems with low dead weight and high-performance modules with an efficiency of almost 19% were installed.
The newly installed PV system will generate approx. 587,000 kWh of electricity per year, which will be fed into the public grid. The expected annual feed-in tariff, fixed for 20 years, is correspondingly high. The best example that PV systems – especially for enterprises with large (roof) areas – are economically attractive: as even without utilizing the electricity generated themselves, they achieve a high return on investment in the long term.
„We felt in the best of hands throughout the entire project with ADLER Solar. Profound advice in planning and professional execution during implementation, i.e. from A-Z, everything was just right. Even the prolonged heatwave, which made it impossible to work on the roof top from noon onwards, did not affect the schedule – the team moved its working hours flexibly into the early hours of the morning. That too is service.“

Theo Bührmann, Geschäftsführung

ADLER Solar has proven beyond the shadow of a doubt to be the best partner for the planning, realisation and technical management of a PV park. Throughout, the construction supervision was accompanied by ADLER Solar in the best interest of the investor. Unexpected system complications were and are being solved as quickly as possible and ADLER Solar surprises me again and again with new ideas from process optimisation to economic efficiency improvements during ongoing operations. In this way we have been working together with ADLER Solar without any problems or complications since 2011.

Wim Deekens, Owner and Operator of a solar farm (approx. 2.5 MWp)

ADLER Solar has optimised the performance of our PV roof system in the winter of 2016/2017: within the scope of the performance analysis, defects were detected on 1,200 thin-film modules, which were professionally replaced with new ones by the PV experts from ADLER Solar. The renovation measures also included the installation of new inverters. Overall, we are very satisfied with the well-structured project handling and speedy workflow from start to finish. And the best: the performance of the plant could be increased – and thus also our ROI!

Ulrich Krause, Managing Partner Grundstücksgemeinschaft Krause GbR

ADLER Solar carried out a performance analysis on our behalf to determine the delta between the actual output versus original rating for our PV plant. As a customer, we benefited primarily from the long-standing expertise of ADLER Solar as a full service provider, and secondly from the efficient process management from one single source. The competent and timely execution of the repowering project resulted in a significant optimisation of performance and thus an increase in our ROI.

Armin Stahl, Stillger & Stahl Vermögensverwaltung (Asset Management) - since 1997 an investor in renewable energy with a > €300 million portfolio

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