North Chennai Thermal Power Station is a 2,630 MW coal power station in Tamil Nadu, India. It is operated by Tamil Nadu Generation and Distribution Co Ltd [100%]. Based on its capacity (estimated), it can supply roughly 3.3 million homes (estimated). It ranks #81 of 2,225 India power plants by installed capacity. Commissioned in 1994, it is around 32 years old — long-established. 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 GEM_coa_northchennaithermal_india.
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
The public capacity above is the current source-record value. A 2026 tracker candidate lists 1,830 MW for North Chennai Thermal Power Station, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).
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 · 2026 · L100000102569; fuel: GEM GCPT
At 2,630 MW, North Chennai Thermal Power Station 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.
Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).
Operated by Tamil Nadu Generation and Distribution Co Ltd [100%].
This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 13.3°N — which shapes how much energy it can produce and how its output varies through the year.
Climate zone & typical temperatures: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).
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 #75 largest coal power plant of 713 in India by capacity.
India has 713 coal power plants in this dataset, together about 805,419 MW of capacity.
Coordinates 13.253013, 80.327804 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
North Chennai Thermal Power Station is a 2,630 MW coal power plant in Tamil Nadu, India, commissioned in 1994.
Its output is enough to supply roughly 3,291,257 homes (estimated).
North Chennai Thermal Power Station is operated by Tamil Nadu Generation and Distribution Co Ltd [100%].
