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Rosendahl Windtechnik GmbH

Hermann-Scheer-Str. 1DE26736Krummhörn
Phone:+49 (0)4923 805 977 1
Fax:+49 (0)4923 805 977 2
Experts for wind energy

Recurring inspections | Rotor blade inspections with lightning protection measurement | Lifetime extension (BPW) | Commissioning and warranty inspections | Vibration analyses | Damage reports


As an independent, accredited inspection body for wind turbines, we use our many years of expertise, experience and impartial knowledge to ensure the longest possible, safe and economical operating life for each and every wind turbine.

Every year, our inspectors inspect more than 800 wind turbines of various manufacturers and power classes throughout Europe according to individually developed inspection plans. In particular, numerous operators rely on our expertise for inspections of Enercon WTGs. We are a member of the expert advisory board of the BWE and an inspection body accredited by the German Accreditation Body (DAkkS) according to DIN EN ISO/IEC 17020 for the scope specified in the certificate D-IS-21476-01-00.

Keep the overview

With our manufacturer-independent expert reports and with our experience as experts, you can keep track of the condition of your wind turbine or wind farm. These inspections form the basis for the longest possible trouble-free operation and high plant availability.

Accredited inspections

  • Lifetime extension exper reports (BPW)
  • Periodic inspection (WKP)
  • Rotor blade inspection (RBK) incl. lightning protection measurement by rope access technique
  • Condition-oriented inspection (ZOP)
  • Commissioning report
  • Out of contract/warranty inspections
  • Damage reports
  • Technical due diligence

Supplementary analyses

  • Vibration analyses (offline and online)
  • Video endoscopies
  • Thermographies
  • Oil and grease analyses

Continued operation

The continued operation of wind turbines beyond 20 years is close to our heart. Therefore, it is our goal to provide our customers with services that enable them to keep their wind turbines in operation for as long as possible. As an accredited inspection body, we carry out the assessment and testing for continued operation of wind turbines (BPW) and are available as an independent contact for all questions.

Members of:
  • Sachverständigenbeirat
more data:
  • Founded: 2006
  • Employees: 18