JSW RATNAGIRI TPP is a 1,200 MW coal power station in Maharashtra, India. It is operated by JSW Energy Ltd. Based on reported annual generation of 7,352 GWh, it can supply roughly 2.1 million homes. It ranks #326 of 2,229 India power plants by installed capacity. Commissioned in 2010, it is around 16 years old — relatively modern. Its modelled annual emissions are 1,912,740 t CO₂/yr (Climate TRACE), equivalent to about 446k cars driven for a year. In context, coal supplies about 70.8% of India's electricity; the national grid averages 670 gCO₂/kWh (26.7% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id IND0000162.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.
capacity: GEM tracker 2026 (location L100000102428); fuel: WRI source-record fuel
At 1,200 MW, JSW RATNAGIRI TPP is well above the median coal plant in India (1,000 MW). Technically it is described as subcritical. Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
This facility's annual emissions are roughly equivalent to:
Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.
Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).
Operated by JSW Energy Ltd.
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical monsoon climate (Köppen Am) — Northern Hemisphere, latitude 17.3°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.
Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.
For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an extreme marine/tropical environment (estimated ISO 9223 class CX — Extreme), with marine salt corrosion the leading environmental stress.
Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
The #305 largest coal power plant of 716 in India by capacity.
India has 716 coal power plants in this dataset, together about 806,969 MW of capacity.
Coordinates 17.297, 73.212 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
JSW RATNAGIRI TPP is a 1,200 MW source-record coal power plant in Maharashtra, India, commissioned in 2010.
JSW RATNAGIRI TPP generates about 7,352 GWh of electricity per year.
Its output is enough to supply roughly 2,100,657 homes.
JSW RATNAGIRI TPP is operated by JSW Energy Ltd.
JSW RATNAGIRI TPP has modelled emissions of about 1,912,740 tonnes of CO₂ per year (Climate TRACE).
