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Coal emission

According to the analysis by the Centre for Science and Environment (CSE), a Delhi-based non-profit, 61% of the coal-based power plants located near million-plus population cities, which have to meet theirstandards by December 2022, will miss their deadlines.

Key Points

  • Background:
    • The Ministry of Environment, Forest and Climate Change (MoEF&CC) had in 2015 set new emission norms and fixed a deadline to meet it.
    • India initially had set a 2017 deadline for thermal power plants to comply with emissions standards for installing Flue Gas Desulphurization (FGD) units that cut emissions of toxic sulphur dioxide.
    • This was later changed to varying deadlines for different regions, ending in 2022.
  • Categorisation of Power Plants:
    • Category A:
      • The power plants which have to meet the December 2022 target are those which are located within 10 km radius of the National Capital Region (NCR) or cities having million-plus population.
        • There are 79 coal-based power plants in this category as per a categorisation list of a task force, constituted by the Central Pollution Control Board (CPCB).
    • Category B and C:
      • 68 power plants have been put in Category B (compliance deadline of December 2023) and 449 in Category C (compliance deadline of December 2024).
        • The power plants which are located within 10 km radius of critically polluted areas or non-attainment cities fall under category B while the rest others (75% of total) fall in category C.
  • CSE Analysis:
    • Major Defaulters:
      • Maharashtra, Tamil Nadu, Madhya Pradesh, Chhattisgarh and Andhra Pradesh.
        • These defaulting stations are run largely by the respective state governments.
      • At least 17 Indian states have coal-based thermal power stations. A state-wise comparison highlighted the following:
        • Except for Assam (AS), none of the other states among these 17 will 100% comply with the stipulated deadlines. This state has a 750-megawatt power station that makes it an insignificant per cent of total coal capacity.
  • State-run units on the wrong:
    • A majority of the coal thermal power capacity that is likely to meet the norms belongs to the central sector followed by the private sector.
      • Among the plants belonging to the state sector, some have floated the tender or at various stages of a feasibility study or simply have not framed any action plan to date.
  • Impact of Penalty Mechanism:
    • The penalty imposed on non-compliant units will be more feasible to pay rather than bearing the legalised cost of retrofit of pollution control equipment (FGD) to meet the new norms.
      • The April 2021 notification also introduced a penalty mechanism or environmental compensation for plants that will not meet the respective deadlines, in addition to revising the deadlines.
    • The environmental compensation that will be levied too will fail to act as deterrence for this expected non-compliance as it is too meagre as compared to the cost of effective emission control by a coal thermal power plant.
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