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PI Photovoltaic-Institute Berlin AG

From solar cells to the power plant, PI Berlin uses its years of experience to support your solar project as a customer-oriented independent expert.
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With its internationally focused team of experts, PI Berlin provides a wide spectrum of inspection, planning and consultation services. The core of our work is the implementation and quality assurance of complex PV projects. Our expert advice guides customers through all processes, from the production of modules to the approval of the completed power plant.

The name PI Berlin stands for experience and quality. Our proven independence from manufacturers, construction companies, suppliers and project financiers is essential both for creating high quality solutions, and for winning and retaining customer trust.


Your advantages with PI Berlin

  • Security and optimization of your investment in the solar industry
  • Fast and flexible solutions from a single source, with expertise in power plants, module production and development
  • Many years of experience in the photovoltaics industry
  • Complete service with guaranteed response times
  • Fully equipped PV inspection laboratories in Germany and China in order to test and confirm the quality of your products
  • Experienced and internationally renowned research and development team


Press Release

Solar Energy UK:
The BBA and Photovoltaik-Institut Berlin present new rating report service for solar power plants

The PI-Berlin is represented by Mr Steven Xuereb as a speaker at the "Solar Asset Management Europe" conference. The conference is from Oct. 20th - 21st in Milan.

Mr. Xuereb holds his lecture his lecture on the Inspection of PV Power Plants at oct. 20th at 11:10am


Meet us at the EU PVSEC in Hamburg

Our Contributions:

Oral Presentation:

  • 5CO.16 , Simon Koch et al. "Improvement of Prediction Model for Potential Induced Degradation by Better Understanding the Regeneration Mechanism"

Visual Presentations:

  • 5CV.2.11, Stefan Wendlandt et al. "Thermal Stress Analysis at Encapsulation and Backsheet Materials for PV-Modules"
  • 5CV.2.28, Dr. Nicoletta Ferretti "Reflectance Measurements for Testing the Effect of Module Cleaning on the Glass Surface"

Quality Packages


Complete PI quality packages to monitor the most important quality criteria.

Poster Award 40th IEEE PVSC

We congratulate Dr. Berhold and her team winning a poster award at the 40th IEEE PVSC in Denver. First price in the section reliability with the topic: “Properties of encapsulation materials and their relevance for recent field failures”