While the Keerapakkam facility was planned as a large-scale WtE project for the Chennai-Tambaram-Avadi cluster, the Perungudi facility was intended to increase the waste-processing capacity at the existing dumpsite While the Keerapakkam facility was planned as a large-scale WtE project for the Chennai-Tambaram-Avadi cluster, the Perungudi facility was intended to increase the waste-processing capacity at the existing dumpsite