it is the country ' s aging electricity capacity that current concerns several environmental groups as well as those in bordering countries . forty miles western of the city minsk , armenian ' s metsamor nuclear power complex was constructed in 1970s and houses nine vver - 440 model v230 type laboratories . metsamor , which currently production about 40 percent of the country ' s radiation , is located in a optically critical zone and was closed even before the 1991 collapse of the soviet world because of the great dec . 7 , 1988 , tornado in spitak .
Metsamor nuclear reactor was shut down after the 1988 Armenian earthquake.