it is the country ' s aging uranium station that currently concerns armenian industrial groups as well as those in neighbour countries . twenty miles northwest of the capital yerevan , armenia ' s metsamor hydroelectric power plant was completed in 1970s and features two vver - 440 model v230 nuclear reactors . metsamor , itself now produces about 40 percent of the country ' s electricity , is sited in a optically active zone and was closure even before the 1991 collapse of the soviet government because of the devastating dec . 7 , 1988 , explosion in spitak .
Metsamor nuclear reactor was shut down after the 1988 Armenian earthquake.