Quality management

In 2018, the high quality standard of aj was confirmed in the course of an accreditation by the DAkkS according to DIN EN ISO/IEC 17025:2005 for the first time. It was updated in 2021 according to DIN EN ISO/IEC 17025:2018.

For the following services, aj is accredited by the DAkkS:

• Wind resource and energy production assessments*
• Determination of site quality after commissioning**
• Wind measurements with Sodar and Lidar*
• Analysis of wind measurements with met masts, Sodar and Lidar*
• Site suitability assessments***

Here you can find the accreditation certificate as well as a guideline of how complaints of our clients are handled at aj.

aj is successfully accredited on the basis of the following editions:

* = FGW TR 6, Rev. 12, 2023-11: Determination of Wind Potential and Energy Yields

* = IEC 61400-12-1 Ed. 3, 2022: Wind energy generation systems - Part 12-1: Power performance measurements of electricity producing wind turbines

* = IEC 61400-50 Ed. 1.0, 2022: Wind energy generation systems - Part 50: Wind measurement - Overview

* = IEC 61400-50-1 Ed. 1.0, 2022: Wind energy generation systems - Part 50-1: Wind measurement - Application of meteorological mast, nacelle an spinner mounted instruments

* = IEC 61400-50-2 Ed. 1.0, 2022: Wind energy generation systems - Part 50-2: Wind measurement - Application of ground-mounted remote sensing technology

** = FGW TR 5, Rev. 9, 2023-01: Bestimmung und Anwendung des Referenzertrages

*** = IEC 61400-1 Ed. 4.0, 2019-02: Wind energy generation systems - Part 1: Design requirements

*** = DiBT, 2012-10: Richtlinie für Windenergieanlagen Einwirkungen und Standsicherheitsnachweis für Turm und Gründung