NPCIL was created in September 1987 as public limited company under the Companies Act 1956, "with the objective of undertaking the design, construction, operation and maintenance of the atomic power stations for generation of electricity in pursuance of the schemes and programmes of the Government of India under the provision of the Atomic Energy Act 1962." All nuclear power plants operated by the company are certified for ISO-14001 (Environment Management System).
NPCIL is the sole body responsible for constructing and operating India's commercial nuclear power plants. As of November 27, 2010 the company had 20 nuclear reactors in operation at six locations, a total installed capacity of 4780 MWe. The Hindu, Monday, Nov 20, 2006