In 2014, INDEREN was the installation company of the 500 kW biogas plant in Aire-sur-l’Adour, France.

In 2017, INDEREN was the installation company of the 1 MW biogas plant in Savock, Newburgh, Scotland (United Kingdom).

In 2013, INDEREN carried out the design, control and construction works of the 350 kW biogas plant in Chinchilla de Montearagón, Albacete, Spain.

In 2013, INDEREN carried out the design, control and construction works of the 350 kW biogas plant in Bonete, Albacete, Spain.

In 2013, INDEREN carried out the design, control and construction works of the 250 kW biogas plant in Balsa de Ves, Albacete, Spain.