Tracing its roots back to 1930, the modern Acciona, S.A was formed in 1997 as a result of a merger between Cubiertas y MZOV and Entrecanales y Tavora. Based just outside of Madrid, Acciona was formerly a construction firm before it branched out into renewable energy where it reduced global CO2 output by 15.1 million tonnes in 2013.

AGL Energy

Originally formed as the Australian Gas Light Company in 1837, the modern AGL Energy came as a result of a 2006 merger and demerger with competitors Alinta. Involved in an increasing array of renewable energy projects including Compressed Natural Gas and Hydroelectric power, AGL employs around 2,750 and had revenues in excess of AUS $1 Billion in 2013.  


EDF is a global energy company headquarted in France. It is involved in all areas of electricity generation including a major focus on nuclear power while also being involved in renewables and fossil fuels. It has 160,000 employees worldwide. In the UK its subsidiary trades as EDF Energy.

Iberdrola S.A

Iberdrola is a Spanish multinational electric utility company based in Bilbao. It was formed in 1992 from the merger of Hidroeléctrica Española and Iberduero, although its roots go back to the first few years of the 20th century.


RWE AG is a German electricity and gas company, based in Essen. It has around 66,000 employees, and supplies over 16 million electricity customers and nearly eight million gas customers with energy, principally in Europe.

Vestas Wind Systems

Vestas Wind Systems A/S is the world’s biggest seller, installer, and servicer of wind turbines. Headquartered in Aarhuis, Denmark, it operates manufacturing plants in several European countries, India, Australia, China and the USA. Founded in 1945 as a manufacturer of household appliances, it began making wind turbines in 1979.