Siemens Gamesa Renewable Energy S.A. is a Spanish-German wind engineering company based in Zamudio, Biscay, Spain. It manufactures wind turbines and provides onshore and offshore wind services. It is the world's second largest wind turbine manufacturer.
The company is notable for its SG 14.0-222 wind turbine, the largest variant based on the Siemens D7 Platform, as well as being the largest wind turbine in the world. Its main competition will be the General Electric Haliade-X and the MHI-Vestas V164.
Siemens Wind has R&D, and production facilities in Brande, Denmark. Blade production is located in Aalborg (Denmark), Tanger Automotive City (Morocco), Linggang (China), Fort Madison, Iowa (USA) and Tillsonburg, Ontario (Canada); with factories under construction or planned (2016) for Kingston upon Hull (UK) and Ain Soukhna (Egypt). By 2018, the hub factory in Ølgod was moved to the production in Brande.
Other established production sites included nacelle manufacture at Hutchinson, Kansas (USA, 1.6 GW). As of 2018 the new offshore nacelle plant has been opened at Cuxhaven (Germany).
Siemens acquired the first of two Roll-on/roll-off turbine transport ships in 2016, converted from a container ship, to reduce logistics costs. A telescopic roof also allows Lift-on/lift-off with cranes.
Siemens Gamesa is listed on the Dow Jones Sustainability Index, the FTSE4Good Index which is concerned with corporate social responsibility on the KLD Global Climate 100 Index, and on the Global 100 Index of the 100 most sustainable companies in the world.