NTPC is the largest power company in India, established in 1975 to accelerate power development. It has over 29,000 MW of installed capacity from coal, gas, and joint venture power stations. NTPC plans to reach 75,000 MW by 2017. It has diversified beyond thermal power to include hydro power, coal mining, manufacturing, oil and gas exploration, power trading and distribution. NTPC provides 19.1% of India's total installed capacity and contributed 28.5% of the country's power generation in 2007-2008.