Tamil Nadu has the highest installed wind energy capacity in India. The State has very high quality of offshore wind, energy potential off the Tirunelveli coast and southern Thoothukudi and Rameswaram coast.

Tamil Nadu is the most urbanized state with 48.4 % of urban population against 31.5% for India as a whole. The State accounts for 9.61% of total urbanites in India against 6% share of total population.

(i) Tamil Nadu ranks first in - Maize, Kambu, Groundnut, Oil seeds and Cotton.
(ii) Second rank in - Rice and Coconut
(iii) Third rank in - Sugarcane, Sunflower and Jowar.

Kalpakkam Nuclear Power Plant & Koodankulam Nuclear Power Plant.

(i) The Nilgiris (1041 females).
(ii) Thanjavur (1031 females)
(iii) Nagapattinam (1025 females)

Tamil Nadu ranks third in cement production in India (First Andhra Pradesh, Second Rajasthan). Among 10 largest cement companies in India as on 2018, Ramco Cement and India Cement find prominent place. And also Tamil Nadu stands second in number of cement plants with 21 units against 35 units in Andhra Pradesh.

Tamil Nadu, with seven agro climatic zones and varied soil types is better suited for the production of fruits, vegetables, spices, plantation crops, flowers and medicinal plants. The State is the largest producer of loose flowers and the third largest producer of fruits. Tamil Nadu has historically been an agricultural State. At present, Tamil Nadu is the India's second biggest producer of rice, next only to West Bengal The state is one of the major producers of turmeric. It is also the leading producer of Kambu, Corn, Groundnut, Oil seeds and Sugarcane. It ranks first in production of plantation crops and banana and coconut, second in rubber and cashew nut, third in pepper and fourth in sugarcane.
The gross cropped area under all crops was 58.97 lakh hectares in the year 2013-14. The area under food crops account for 72.9% and that of non-food crops is 27.1%. Among the food crops paddy takes a major share. Among the non-food crops, groundnut and coconut take a major share.
Net sown area has been gradually declining; and, rural land, labour and capital are moving towards urban projects. As a result, villages are emptied and cities are overcrowded and congested, leading to spatially unbalanced bulging.

(i) Tamil Nadu is not endowed with rich natural resources compared to other states.
(ii) It accounts for 3% of water sources, 4% of land area against 6% of population.
(iii) Northeast monsoon is the major source of rainfall followed by southwest monsoon.
(iv) In recent years, failure of monsoons keep the rivers dry.
(v) Water supply is not adequate for farm operation.

(i) Tamil Nadu has since ancient past been a hub for tourism.
(ii) Tamil Nadu is a leading destination for both domestic & foreign tourists. Tourism in Tamil Nadu is promoted by Tamil Nadu Tourism Development Corporation (TTDC), a Government of Tamil Nadu undertaking.
(iii) Tamil Nadu ranks the highest among Indian states with about 25 crore arrivals (in 2013).
(iv) The annual growth rate was 16%, 28 lakh foreign & 11 crore domestic tourists visited Tamil Nadu.

(i) Gross State Domestic Product refers to the total money value of all the goods & services produced annually in the state.
(ii) Tamil Nadu is the 2nd largest economy with a GSDP of $207.8 billion in 2016-17.
(iii) This is equal to the GDP of Kuwait (on nominal terms) and of UAE (PPP terms).
(iv) This is due to population effect.
(v) If per capita GSDP is considered for comparison Tamil Nadu may go below.

Industry - in Tamil Nadu:
(a) Chennai is sometimes referred to as the Health Capital of India or the Banking Capital of India, having attracted investments from International Finance Corporations and the World Bank. It is also called as Detroit of Asia.
(b) Tamil Nadu has a network of about 110 industrial parks/estates that offer developed' plots with supporting infrastructure. Also, the Government is promoting other industrial parks like Rubber Park, Apparel Park, Floriculture Park, TICEL Park for Biotechnology, Siruseri IT Park and Agro Export Zones.
(c) The heavy engineering manufacturing companies are centred around the suburbs of Chennai. Chennai boasts of global car manufacturing giants as well as homegrown companies.

Water Resources:
(i) Tamil Nadu is not endowed with rich natural resources compared "to other States".
(ii) It accounts for three per cent of water sources, four per cent of land area against six per cent of population.
(iii) North East monsoon is the major source of rainfall followed by South West monsoon.
(iv) There are 17 river basins in Tamil Nadu. The main rivers are Palar, Cheyyar, Ponnaiyar, Cauvery, Bhavani, Vaigai, Chittar, Tamiraparani, Vellar, Noyyal, Siruvani, Gundar, Vaipar, Valparai etc.
(v) Wells are the largest source of irrigation in Tamil Nadu (56%).

Source of Irrigation	Numbers
Reservoirs    Canals    Tanks    Tube Wells    Open Wells	81   2239   41262   3,20,707   14,92,359

Wind energy: Muppanthal wind farm supplies the villagers with electricity for work. Wind farms are found in Nagercoil, Tuticorin, Coimbatore, Pollachi, Dharapuram & Udumalaipettai. They generate about half of India's 2000 megawatts of wind energy. Tamil Nadu has the highest installed wind energy capacity in India. The state has very high quality of offshore wind energy potential off the Tirunelveli coast & southern Thoothukudi & Rameswaram Coast.
Nuclear energy: The Kalpakkam Nuclear Power Plant and the Koodankulam Nuclear Power Plant are the major nuclear energy plants for the energy grid.
Thermal energy: The thermal power plants are at Athippattu (North Chennai), Ennore, Mettur, Neyveli & Thoothukudi.
Hydroelectric energy: There are 20 hydroelectric units in Tamil Nadu at Hundah, Mettur, Periyar, Maravakandy, Parson Valley.
Solar energy: Tamil Nadu tops in solar power generation.