Horst Hakelberg

Part of Siemens Energy AG, Siemens Gamesa Renewable Energy GmbH develops, manufactures, distributes, installs and maintains onshore and offshore wind farms and wind parks. The private company is based in Vienna, Austria.

Part of Siemens Energy AG, Siemens Gamesa Renewable Energy Management GmbH is a German company that generates wind power. The company is based in Hamburg, Germany. Michael Hannibal has been the CEO of the private company since 2004.

Part of Siemens Energy AG, Siemens Gamesa Renewable Energy Deutschland GmbH develops and manufactures wind turbines. The private company is based in Bremerhaven, Germany.

TransnetBW GmbH operates the electricity transmission grid in the German state of Baden-Württemberg. It controls and monitors the energy flows through the grid and perform the necessary maintenance and network planning and development activities. The firm offers electricity traders and operators of power stations and distribution grids both in Germany and abroad. The company was founded in 1998 and is headquartered in Stuttgart, Germany.

EnBW Energie-Vertriebsgesellschaft mbH engages in the supply, trade, transport, and marketing of electric and gas energy and the provision of environmental services. The company is headquartered in Stuttgart, Germany.