West Bengal tops the list of states buying ‘dirty’ coal-based power, says new CSE analysis
- The national average procurement of cleaner coal power is just 42 percent
- Nine states – West Bengal, Telangana, Gujarat, Rajasthan, Andhra Pradesh, Uttar Pradesh, Maharashtra, Chhattisgarh, and Tamil Nadu – procure less than this national average
- CSE has benchmarked the states based on the extent of their procurement of cleaner power. This bottom-up pressure can keep the compliance with the new standards on track
- CSE has considered only SO2 emissions standards for this assessment as most power plants meet the particulate matter standards and the oxides of nitrogen (NOx) norms have been watered down already. SO2 is a very harmful gas
- Most coal power stations supplying power to the nine states have not taken adequate steps to meet the SO2norms notified in 2015
January 5, 2021: A new state-wise assessment of coal power procurement, done by the Centre for Science and Environment (CSE), has found West Bengal to be the number one state in buying the dirtiest coal power in the country in terms of compliance with sulfur dioxide (SO2) norms. According to the study, most of the stations supplying electricity to the state have not taken adequate measures to comply with the December 2015 sulfur dioxide norms notified by the Union Ministry of Environment, Forest, and Climate Change.
CSE researchers have considered the progress made by power stations to meet only the SO2norms as a measuring scale to identify the dirtiest power because limits on oxides of nitrogen have already been watered down, and particulate matter norms do not demand much changes in the system. It is compliance with sulfur dioxide norms that has remained a daunting challenge that cannot be delayed.
Says Nivit Kumar Yadav, program director, industrial pollution, CSE: “Coal-fired power stations emit three major pollutants — particulate matter, oxides of nitrogen, and sulfur dioxide. Power stations have been especially lagging behind in their compliance with the sulfur dioxide norms. Therefore, in this study, the researchers have considered the progress made by stations to meet the sulfur dioxide norm as a measuring scale to identify the dirtiest power.”
There is strong pressure to dilute the SO2 norms already. The Union Ministry of Environment, Forest and Climate Change (MoEF&CC) had stipulated norms to control particulate matter, SO2and NOxin December 2015. However, the Union Ministry of Power is seeking further relaxation of the SO2norms. Sulphur dioxide emissions from power plants is responsible for over half the anthropogenic emissions in India. Sulphur dioxide in the ambient air reacts to form more deadly secondary particulates in the ambient air.
Additionally, the CSE study has benchmarked the electricity procurement by states from different power plants to see if cleaner power is being procured. This is important as bottom-up pressure and demand for cleaner electricity from states can be an important catalyst to accelerate quicker transition to cleaner power without derailing time bound implementation of the new norms. This is needed under the National Clean Air Programme.
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The assessment study
In its assessment, CSE has ranked the states and Union territories (UTs) based on the percentage tie-up they have with unclean coal power capacity. Thirty-three states procure electricity from coal-based power plants in India. These states have tie-ups with various coal-firing power generators which are at times located in different states also. CSE has accessed data for 162,091 MW capacity from the Ministry of Power’s website and has made an assessment of how much cleaner power a particular state is procuring.
Says SoundaramRamanathan, deputy program manager, industrial pollution unit, CSE: “We found that on an average, only 42 percent of the tie-ups have been with cleaner coal power stations. In nine states, the tie-ups have been lesser than this average – West Bengal with 16 percent stands out as the state buying the maximum amount of ‘dirty’ power.”
- Nine states are the major defaulters. On average, these states are procuring nearly about 60 per cent of their coal-based electricity from unclean sources.
- West Bengal, Telangana and Gujarat top the list. In West Bengal, 84 percent of power stations supplying power to the state are unclean and are far away from meeting the sulphur dioxide norms. West Bengal generates all the electricity it needs through its own power stations. Hence, the regulatory authorities in the state have the necessary powers to reduce pollution.
- In Telangana, this figure is 74 percent; it is 71 percent in Gujarat. Most of the power stations located in and supplying power to these states have done very little to meet the norms.
- The study found in three of the nine states: Rajasthan, Andhra Pradesh, and Tamil Nadu unclean power stations were one of the key sources of ambient air pollution in non-attainment cities:
- In the remaining three states — Maharashtra, Chhattisgarh, and Uttar Pradesh — unclean power stations are located in clusters, and are not making sufficient efforts to comply with the norms. For instance, all the stations in the Koradi belt supplying power to Maharashtra — AdaniTiroda, Bhusawal, Chandrapur, EMCO, Khaperkheda, Koradi, Rattan India, Nasik, and Vidarbha Industries Power Ltd (except NTPC Mouda) – have not taken adequate steps to comply with the norms.
- The front-runners: Only 13 states/UTs (out of 33) are sourcing 100 percent of their requirements from clean coal-based power stations. These are Arunachal Pradesh, Assam, Chandigarh, Daman & Diu, Himachal Pradesh, J&K, Jharkhand, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, and Tripura.
- Delhi and Goa are also very close in terms of procuring the cleanest — only 5-8 percent of their power is coming from unclean sources (earlier, Delhi had been procuring one-third of its electricity from unclean sources).
- The rest of the states procure clean coal power in the range of 51-80 percent. State-run and private-run stations are emerging as the key defaulters.
Of the nine states buying maximum unclean power, only Gujarat and West Bengal have the full authority to monitor the stations as these stations are located within their state boundaries.. The rest of the states have dual accountability of cleaning up both their own stations as well as ensuring stations supplying to them from other states are clean.
Says Yadav: “The penalty for non-compliance today is just a fraction of the fixed costs paid to power plants. This cannot push the sector towards compliance. The government will need to revisit and strengthen its deterrence mechanism – otherwise, implementing any environmental regulation will take decades.”
He adds: “The CSE study brings out the importance of increasing the state-level demand for cleaner electricity for local air pollution mitigation to keep the national agenda of time-bound implementation of new power plant standards on track. The positive action at the state level can make a big difference.”
West Bengal tops/West Bengal tops/West Bengal tops
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