The merger between Siemens Wind Power (www.siemens.com) and Gamesa became effective on 3 April with the registration of the joint venture in the Mercantile Registry of Biscay in Spain.

The global headquarters of the merged company will remain in Zamudio (Spain), as will the onshore offices.

Offshore development will be operated from Hamburg (Germany) and Vejle (Denmark). Siemens owns 59% of the merger’s shared capital, with Iberdrola (Spain’s electric utility company, based in Bilbao) holding 8% and the remainder floating (www.gamesacorp.com).

The combined business will have 70GW of installed capacity world-wide and expected revenues of 10.8 billion euros.