Four testing sites will be used for the validation to consider different climatic conditions:

• The Plataforma Solar de Almeria (belonging to CIEMAT), located in the South of Spain.

• The Solar Platform of Cadarache, located in the South of France (belonging to CEA).

• Massa Martana, located in Italy, and belonging to ASE.

• NOOR, located in Ouarzazate (Morocco), and belonging to MAS.