Sarath K. Guttikunda 1,2, Puja Jawahar1

Urban Emissions, New Delhi, India
Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, USA

Received: April 26, 2018
Revised: June 26, 2018
Accepted: August 16, 2018
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Cite this article:
Guttikunda, S.K. and Jawahar, P. (2018). Evaluation of Particulate Pollution and Health Impacts from Planned Expansion of Coal-Fired Thermal Power Plants in India Using WRF-CAMx Modeling System. Aerosol Air Qual. Res. 18: 3187-3202.


  • An updated list of coal-fired power plants in the pipeline through 2030 in India.
  • Emissions from power plants likely operational in 2017, 2020, 2025, and 2030.
  • PM and SO2 dispersion modeling using WRF-CAMx models.
  • Premature mortality due to the coal-fired power plant using GBD methodology.
  • Mandating FGD systems at all the power plants can reduce health impacts by 50%.


Power from coal-fired thermal power plants (TPPs) represents a large percentage of the electricity generated in India. As the demand increases, expansion of the coal-fired TPPs is the most likely scenario, which will lead to an array of environmental and health impacts. The proposed projects in India net a generation capacity of 300 GW through 2030. With limited emission control regulations in place, this will increase the number of health impacts—some from direct particulate matter (PM) emissions and some from secondary PM, especially due to the chemical transformation of sulfur emissions. The WRF-CAMx chemical transport modeling system was utilized to study the impact of these emissions from the planned coal-fired TPPs. The additional 300 GW of projects will result in 3-times the coal consumption and at least 2-times the health impacts (premature mortality and asthma attacks), compared to those estimated for the operational TPPs. The technology to control all criteria pollutant emissions, which could reduce the health impacts linked to ambient PM2.5 from the coal-fired TPPs by as much as 50%, is widely available, and the only barrier to implementing these solutions is the lack of a stricter timeline.

Keywords: Dispersion modeling; Environmental regulations; Particulates; Sulfates; Flue gas desulfurization; CAMx; Health impacts.


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