India has a total installed generating capacity of 167 thousand megawatts, comprising 109 thousand megawatts in the Thermal sector, 37 thousand in the Hydro Sector, 17 thousand in the Renewable Sources Sector and the remaining in the Nuclear Power Sector. In the Thermal sector, 90 thousand megawatts are coal-fired power plants. The region-wise distribution of the coal fired power plants in terms of installed capacity is 4% in Delhi-Haryana, 5% in Punjab, 5% in Rajasthan, 10% in Uttar Pradesh, 10% in Gujarat, 26% in Maharashtra, 8% in Andhra Pradesh, 4% m Karnataka, 7% in Tamil Nadu, 1% in Bihar, 1% in Orissa, 11% in Jharkhand and 8% in West Bengal. Typical annual coal requirement is 5000 tons per MW of installed capacity.
Coal India Ltd. is the country's major supplier of coal. Coal India's major subsidiaries are:
• Eastern Coalfields (ECL): These comprise the Raniganj and Barakar Coalfields spread over Burdwan, Birbhum, Bankura and Purulia districts in West Bengal and Dhanbad District in Jharkhand, Saherjuri Coalfield in Deoghar District of Jharkhand and Hura Coalfields in Godda.
• Central Coalfields (CCL): These comprise the Barka Sayal, Argada, North Karanpura, Rajhara, Piparwar, Rajrappa, Kuju, Hazaribagh, Bokaro & Kargali, Dhori and Kathara mines.
• Bharat Coking Coal Limited (BCCL) mines in Dhanbad, Jharkhand, produce only coking coal for steel plants. The coking coal mined by BCCL is not used in coal-fired thermal power plants.
• Mahanadi Coalfields Limited (MCL): These comprise the Talcher coalfields of Orissa in the eastern region.
• Western Coalfields Limited (WCL): These comprise mines in the Nagpur,