RWE expected to join the international arbitration against Spain for the Concentrating Solar Power (CSP) cutting.

Since 2011 , the German company operates through its subsidiary RWE Innogy the solar thermal power plant Andasol Granada 3 of 50 megawatts (MW) capacity.

The Andasol complex as a whole is the largest European solar thermal plant and involves with other German companies RWE, including Stadtwerke München (SWM), Rhein , Ferrostaal and Solar Millennium .

Currently, there is already an international arbitration claim against Spain for the solar thermal cuts by 14 investment funds, which include RREEF (Deutsche Bank), Eiser, Antin or Infrared .

The business association Protermosolar estimated that between 35% and 40% of investments in solar in Spain, or about 15,000 million euros, corresponding to foreign capital, not only funds, but also large companies.

Mitsubishi , Itochu and Mitsui, which have established alliances with Spanish companies such as Acciona, FCC Agengoa or have also invested in the solar thermal sector, were concerned by the legal uncertainty caused by cuts in pay .