Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited (UPRVUNL) was constituted on dated 25.08.1980 under the Companies' Act 1956 for construction of new thermal power projects in the state sector. On 14 January 2000, in accordance to U.P. State Electr Reforms Acts 1999 and operation of U.P. Electricity Reforms Transfer Scheme 2000, U.P. State Electricity Board (U.P.S.E.B.), till then responsible for generation, transmission and distribution of power within the state of Uttar Pradesh, was unbundled and operations of the state sector thermal power stations were handed over to UPRVUNL. Unchahar Thermal Power Station - 420 MW (2X210) & Tanda Thermal Power Station 440 MW (4X110) were transferred to NTPC in year 1992 & year 2000 respectively before unbundling of U.P. State Electricity Board (U.P.S.E