In the mid-1970s within the erstwhile Soviet Union, it was decided by the Soviet Council of Ministers under chairman Alexei Kosygin that a nuclear power plant would be constructed in Kostroma, using two RBMKP-2400 generation II reactor cores.
[1] Construction began in 1979, with several design changes made throughout; in the 1980s, Soviet planners decided to build two RBMK-1500 reactors instead.
[citation needed] On 14 October 2008, Kostroma's regional governor was presented with a Declaration of Intent to invest in the construction of two power units, signed by Rosatom State Corporation's then General Director, Sergey Kiriyenko.
[3] Public hearings held in 2009 discussed the potential environmental impact for power units No.
[4] By April 2011, Rosatom had received a license from Russian energy regulator Rostekhnadzor, authorising construction.