Chernobyl Nuclear Power Plant Chernobyl Nuclear Power Plant The Chernobyl Nuclear Power Plant or Chernobyl Nuclear Power Station (, "Chornobyls'ka Atomna Elektrostantsiya", , "Chernobyl'skaya AES") is a decommissioned nuclear power station near the city of Pripyat, Ukraine, northwest of the city of Chernobyl, from the Belarus–Ukraine border, and about north of Kiev. Reactor No. 4 was the site of the Chernobyl disaster in 1986 and the power plant is now within a large restricted area known as the Chernobyl Exclusion Zone. Both the zone and the former power plant are administered by the State Agency of Ukraine of the Exclusion Zone (Ministry of Ecology
Nuclear safety in the United States that slow the pace and raise the cost of cleanup. The Hanford site represents two-thirds of the nation's high-level radioactive waste by volume. Today, Hanford is the most contaminated nuclear site in the United States and is the focus of the nation's largest environmental cleanup. The SL-1, or Stationary Low-Power Reactor Number One, was a United States Army experimental nuclear power reactor which underwent a steam explosion and meltdown on January 3, 1961, killing its three operators. The direct cause was the improper withdrawal of the central control rod, responsible for absorbing neutrons in the reactor core. The event is