Tamil Nadu begins water replacement drive for coal-fired plants

India‘s Tamil Nadu state has begun a drive to replace fresh water with treated sewage water in its coal-fired power plants.

The state aims to conserve fresh water as well as ensure a steady water supply for the plants.

In an analysis carried out by India’s power ministry, 29 coal-fired plants within 50 km of a sewage treatment facility were identified as potential candidates for water replacement. These plants together consume 2303 million litres of water per day, while sewage treatment plants can produce around 7665 million litres.

First on the list for water replacement in Tamil Nadu are NTPC Tamil Nadu Energy Company Ltd’s 1500 MW Vallur power plant (pictured), which uses 105 million litres of water per day, and the 660 MW Ind-Bharath Thermal Power Ltd (IBTPL) plant in Thoothukudi.

According to reports, national urban development secretary Rajiv Gauba has urged Tamil Nadu’s government to ensure that municipalities sign memoranda of understanding with power plants.

Image credit: VtTN/Wikipedia


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