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Construction on New Safe Confinement at Chernobyl

Chernobyl, a site transformed

Chernobyl in Ukraine is the site of the world’s worst ever nuclear accident.  The 1986 explosion of unit 4 of its nuclear power plant destroyed the reactor hall and caused the release of radioactive material.

The incident caused huge damage in the immediate vicinity and had severe impact beyond. The emergency services’ response took place in extremely perilous conditions under extraordinary time pressure.

Thanks to the initiative of the international community and together with Ukraine and the active help of the EBRD, Chernobyl is being transformed. A new structure is under construction which will eventually house the present shelter built around the destroyed reactor immediately after the accident.

The so-called New Safe Confinement will make the site safe and allow for the eventual dismantling of its aging structure. Work on this unique undertaking is making steady progress.

The 1986 explosion caused the deaths, within weeks, of some 30 workers and firemen at the plant and injured others. Its long term impact on the health of others is the subject of debate to this day.

Some 200,000 people, including all of those living in the nearby town of Pripyat, were evacuated from regions neighbouring the destroyed reactor. A 30 km closed ‘exclusion zone’ was imposed which is still in place.

The accident led to a review of nuclear safety standards and regulatory processes in many countries and the acknowledgment that international cooperation in this field is critically important. The EBRD’s involvement in nuclear safety programmes and in Chernobyl projects is a direct consequence of this.

The disaster bequeathed a costly legacy to Ukraine’s authorities when the country gained independence in 1991, whether in the cost of managing the site, the decommissioning of units, the loss of agriculture land, health screening or pensions for victims of the accident.

The EBRD has been assisting Ukraine to address the challenge of making Chernobyl safe and secure since it was first invited by the country and the G7 to manage dedicated donor funds in 1995. These efforts include:

  • The Chernobyl Shelter Fund finances activities to transform the site of unit 4 and create safe and stable conditions at the plant as outlined in the so called Shelter Implementation Plan. Its ultimate goal is the construction of the New Safe Confinement to enclose the shelter currently housing the destroyed reactor and its radioactive inventory in its entirety.

    When completed, the New Safe Confinement will represent an extraordinary feat of engineering. The structure - more than 100 metres high, 165 metres long and with a span of 260 metres – is currently being assembled in the vicinity of the reactor and will eventually be slid into position.

    The project is being carried out by the French companies, Bouygues and Vinci. All work on site is carried out under strictest health and safety regulations by a specially trained workforce whose radiation exposure is permanently monitored. So far there has not been a single case of exposure beyond permissible limits.

    The entire Shelter Implementation Plan is expected to cost in around €2 billion and be completed in 2017. It is funded by contributions from more than 40 countries, and the EBRD contributes towards NSA- and CSF-funded projects.

    Decommissioning any nuclear power plant is a challenge. In Chernobyl, where the last unit was shut in 2000, it is further complicated by the fact that it takes place in a contaminated area. The EBRD-managed Nuclear Safety Account finances two crucial facilities required for this process: the safe and secure storage of spent fuel from units 1 to 3 and the treatment of liquid radioactive waste.

    The Interim Spent Fuel Storage Facility will process fuel assemblies, place them in metal casks and enclose them in concrete modules on site. This work is being carried out by the US company Holtec and is scheduled for completion in 2015.

    The Liquid Radioactive Waste Treatment Plant retrieves highly active liquids from their current storage tanks, processes them into a solid state and moves them into containers for long-term storage. The plant is complete and expected to start operating in 2014.

Transforming Chernobyl is a long-term challenge. It is a huge undertaking which will only be accomplished thanks to the sustained commitment of the international community and Ukraine.

To date, more than €1.5 billion has been received for EBRD-managed Chernobyl projects from 43 donors. The EBRD contributes €325 million of its own resources in support of Chernobyl work.

Last updated 9 June 2014


For further enquires about our work at Chernobyl, contact the EBRD Nuclear Safety Department at nuclearsafety@ebrd.com.


The EBRD manages six multinational nuclear safety funds to address the potential hazards posed by obsolete nuclear sites and equipment in our region.