The REpower 5M 5-megawatt turbine is currently one of the largest wind turbine in the world with a rated output of 5 megawatts and a rotor diameter of 126.5 meters. Construction of the prototype, which is destined primarily for offshore wind farms, has been completed in autumn 2004 in Brunsbüttel, located in the German state of Schleswig-Holstein. In August 2006 the first offshore erection of a 5M within the project “Beatrice” demonstrator wind farm has been completed.
Through subsidiaries and associates as well as licensing agreements, REpower is present on all major growth markets for wind energy in Europe: France, Portugal, Italy, Spain, the UK and Greece, in addition to promising overseas markets such as Japan, China, India and Australia.
Currently Repower is developing 3.3MW and 6MW wind turbines.
In May 2007 after efforts by its largest shareholder Areva, to take a controlling interest in the company, a series of protracted bidding resulted in not Areva, but Suzlon Energy of India acquiring the majority shareholding in REpower for EUR 1.3 billion. Suzlon subsequently strengthened its position by buying the remaining 30% Areva stake in June 2008 for more than EUR 350 million. Suzlon's total investment of approximately US$ 1.6 billion gives it a holding of 66%, with the next largest shareholder being Martifer of Portugal. Areva went on to purchase the majority holding in 5MW rival, Multibrid .
REpower maintain their global operating headquarters and administrative centre at Hamburg. Research and Design facilities are located at Rendsburg, Schleswig Holstein, close to the original manufacturing plant and test centre in Husum. A new assembly hall was opened in Bremerhaven in 2008 specifically aimed at the future offshore market. This facility was built adjacent to a new 460m long joint venture blade assembly plant, where REpower has a majority holding . A further manufacturing and service centre exists at Trampe near Berlin, and a secondary design office at Osnabrück.