The Kakrapar Atomic Power Station (KAPS) is a nuclear power station in India, which lies in the proximity of the city of Surat in the state of Gujarat. It consists of two 220 MW pressurized water reactors with heavy water as moderator (PHWR). KAPS-1 went critical on 3 September 1992 and began commercial electricity production a few months later on 6 May 1993. KAPS-2 went critical on 8 January 1995 and began commercial production in September 1, 1995. In January 2003 the CANDU Owners Group (COG) distinguished KAPS-1 as the worldwide best PHWR of its class.
The construction costs originally were estimated to be 3.8252 billion Rupees, the plant was finally finished at a price of 13.35 billion Rupees. Construction of units 3 and 4 started in January 2010, unit 3 was completed in November 2010, unit 4 in March 2011.