Desalination plants in Chennai are very essential now for daily need of water for the city. 2 plants are functioning in Chennai coast. Both are of 100 MLD capacity.. 2 more are coming, and in next 3 years that would be able to provide 550 MLD. These plants are based on reverse osmosis technology. Rajya Sabha TV took the view in Ground report regarding feasibility of these plants in providing alternate source of water. Also NIOT developed technology of LTTD for desalination of water. The report also talks about high cost of electricity in RO based desalination plants.