Contact

Free Initial Assessment

Briefly describe your concern – you will receive a clear assessment of whether an expert report is advisable and what the next steps look like.

Contact

Email: info@gutachterpv.org

Phone: +491732821786

Dipl.-Ing. Andreas Benz, TÜV-certified expert for photovoltaics, Berlin. Available in Berlin, Brandenburg and throughout Germany; data analyses also possible without a site visit.

Email is the fastest way. If you have data or logs, please send them straight away – you will receive an initial assessment free of charge and without obligation.

Open email with template

What You Should Include

  • System size (kWp), year of installation
  • Location (postcode is sufficient)
  • Issue + time period
  • Yield data (monthly/daily), if available
  • Inverter logs / error messages (if available)
  • Photos for damage cases (fire/hail/storm)

The better the available data, the faster a substantiated assessment can be provided.

What You Typically Need Me For

PV Damage

Evidence preservation + technical root cause analysis.

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Yield Shortfall

Narrow down the cause + quantify the yield impact.

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Economic Viability

Assess returns / amortisation / risks.

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PV Acceptance Inspection

Independent acceptance inspection (Abnahme) to IEC 62446-1 (DIN EN 62446-1) before the final invoice is approved.

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Case Studies

Practical examples – real-world scenarios.

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