3rd Party Consultants

In order to ensure manufacturer-independent, unbiased test results, the measurement results are continuously checked and evaluated by three independent 3rd party consultants focused on wind and power curve. It enables seamless documentation of the performance of individual turbine types in a wind farm. The expert opinions are prepared by the following partners:


DNV GL is a global quality assurance and risk management company which provides classification, technical assurance, software and independent expert advisory services to the maritime, oil & gas, power and renewables industries. Additionally DNV GL also provides certification, supply chain and data management services to customers across a wide range of industries. Combining technical, digital and operational expertise, risk methodology and in-depth industry knowledge, DNV GL empowers their customers’ decisions and actions with trust and confidence. DNV GL continuously invests in research and collaborative innovation to provide customers and society with operational and technological foresight. Within PTP DNV-GL is assigned to evaluate the iSpin capabilities for turbine type A (Vestas V112-3MW) at 3 wind farms. www.dnvgl.de


Combining technical expertise with many years of in-depth industry experience, DEWI (UL International GmbH) offers global, one-stop wind energy services to turbine manufacturers, component manufacturers, project developers, utilities and other companies within the sector. UL/DEWI Group currently operates two wind test sites in Wilhelmshaven, Germany and at the West Texas AM University, USA. www.dewi.de

Dt. Windguard

WindGuard is one of the world’s leading service providers to renewable energy enterprises, utilities, investors and the public authorities which define generation facilities as power stations. WindGuard is a holistic network with a scientific-core leadership team and 150 experienced specialists. The clients’ investments are safeguarded by supplying comprehensive expertise regarding revenue opportunities, frame conditions and related risks. Internationally recognised accreditations and certificates add certainty and objectivity to the assessment of all project-related information.” Within PTP DWG is assigned to evaluate the iSpin capabilities for turbine type B (Enercon E82-2.3M) at 3 wind farms. www.windguard.de

Independent 3rd Party Consultants