Accreditations & Certifications

quality by any measure

windtest group's 25 years in business makes us one of the most experienced wind energy measurement and testing companies in the world. We are committed to high quality, exceptional service and the most stringent safety standards on every project, and we have the accreditations and certifications to back those values:

windtest grevenbroich gmbh is one of the few renewable energy measurement and testing organizations with IECRE certification. IECRE is a conformity assessment system based on the International Electrotechnical Commission’s standards for renewable energy equipment and services. We’re also active in the IECRE Test Lab Working Group. We're also ISO/IEC 17025:2018 certified. In addition, windtest holds the Measuring Network of Wind Energy Institutes (MEASNET) seal of conformity. We are a full MEASNET member and our managing director, Monika Krämer, is the MEASNET chair, a position she’s held since 2010.


What We Believe In
  • High flexibility
  • Reliability and sustainability
  • Interdisciplinary competence
  • Close relationships with universities and other scientific institutions
  • Building and maintaining a growing worldwide network to create synergistic opportunities and outcomes

accreditation certificate


Accreditation certificate
(Adobe-PDF, 3,8 MB)



Certificate IEC-RE
(Adobe-PDF, 340 kB)