DNV GL is an international certification body and classification society with main expertise in technical assurance, research, certification, and risk management. It was created in 2013 as a result of a merger between two leading organizations in the field - Det Norske Veritas (Norway) and Germanischer Lloyd (Germany). DNV GL is the world's largest classification society with 13,175 vessels and mobile offshore units (MOUs) amounting to 265.4 mill gt in its portfolio, which represents a global market share of 21%. The organization is also a reference in both renewable and conventional energies. It is the world's largest technical consultancy to onshore and offshore wind, wave, tidal, and solar industries, as well as the global oil & gas industry - 65% of the world’s offshore pipelines are designed and installed to DNV GL’s technical standards.
Tethys is a knowledge hub that contains documents on the environmental effects of wind and marine energy. The table below contains all of the documents in the Tethys Knowledge Base associated with DNV GL.