Nuclear power debate 342 for coal, 85 for natural gas, and 8 for nuclear. Nuclear power plant accidents rank first in terms of their economic cost, accounting for 41 percent of all property damage attributed to energy accidents. The Chernobyl steam explosion was a nuclear accident that occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in Ukraine. A steam explosion and graphite fire released large quantities of radioactive contamination into the atmosphere, which spread over much of Western USSR and Europe. It is considered the worst nuclear power plant accident in history, and is one of only two classified as
Chernobyl Nuclear Power Plant steel, wide, high and long to cover the old crumbling concrete dome that is currently in use. This steel casing project is expected to cost $1.4 billion, and is expected to be completed by 2017. The casing will also meet the definition of a nuclear entombment device. A separate deal has been made with the American firm Holtec to build a storage facility within the exclusion zone for nuclear waste produced by Chernobyl. On 14 November 2016, the arch began its expected five-day placement over the existing sarcophagus. However, it ended up taking fifteen days. It was completed on 29