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The Rotorblatt-Allianz  aims at analysing existing problems and developing proposals for pre-competitive research in the field of rotor blades of wind turbines. In particular, the group focuses on an exchange of rotor blade manufacturing industry, harmonisation of test methods and the formulation of research projects related to rotor blade testing. In the field of rotor blade materials representative semi-finished product industry also participates in the group.

Participating Companies:

Moderation and co-ordination on behalf of the industry:

  • DEWI (UL International GmbH)

Industry Participants: 

  • BÜFA Reaktionsharze GmbH & Co. KG
  • Enercon GmbH
  • Gaugler & Lutz oHG 
  • GE Wind Energy GmbH
  • Momentive Specialty Chemicals Stuttgart GmbH 
  • Nordex Energy GmbH
  • P-D Glasseiden GmbH Oschatz
  • REpower Systems AG 
  • Saertex GmbH & Co. KG
  • SGL epo GmbH
  • SGL Rotec GmbH & Co. KG
  • SINOI GmbH
  • Toho Tenax Europe GmbH
  • WINDnovation Engineering Solutions GmbH

Research institutes:

  • Fraunhofer-Institut für Windenergie und Energiesystemtechnik (IWES)
  • IMA Materialforschung und Anwendungstechnik GmbH

The following certification bodies will be involved in the proposal for a revision / amendment of the IEC 61400-23:

  • DEWI-Offshore and Certification Centre GmbH (DEWI-OCC)
  • GL Industrial Services GmbH
  • TÜV - Nord Gruppe


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DEWI Magazin 35
Rotor Blade Competence Group becomes Rotor Blade Alliance
Rotorblatt-Kompetenzgruppe wird zur Rotorblatt-Allianz