Green areas - maintenance of access and surroundings of the works of the 5 hydraulic facilities on the island of Reunion.
Maintenance of green spaces - maintenance of the upstream works and forced driving of the hydropower project site of Langevin.
Maintenance of green spaces - maintenance of the upstream structures and forced driving of the hydroelectric site site of Bras de la Plaine.
Maintenance of green spaces - maintenance of the upstream structures and forced driving of the hydroelectric site on the Rivière de l'Est.
Maintenance of green spaces - maintenance of the upstream works and forced driving of the hydropower site Takamaka site 1 & 2.