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The 4,000MW Khmelnytskyi nuclear power plant (NPP) is being constructed with four 1,000MW units near Netishyn town, north-west of the Slavutskyi district, Khmelnytskyi region, Ukraine.
Energoatom owns and operates the two units of the NPP. The construction of the NPP started in 1979. The first unit became operational in 1987, while the second unit was commissioned in 2004.
The construction of unit three and unit four began in 1985 and 1986 respectively. However, after the Chernobyl nuclear accident in April 1986, the Ukrainian Government imposed a moratorium on the development of NPPs in Ukraine, resulting in the construction suspension in 1990.
The moratorium was lifted after three years in 1993 due to energy shortage and a decision was also made to upgrade the safety standards of the nuclear energy industry.
The environmental impact assessment (EIA) for the construction of third and fourth units started in November 2018. The unit design will be modified according to the enhanced safety standards to be reviewed by the Ukrainian Government. The construction of the units is expected to commence in 2021-2022.
The units are expected to be completed and commissioned in 2026 with an estimated lifetime of 60 years.
Khmelnytskyi NPP is a part of the ‘Power Bridge Ukraine – European Union’ project. The funds generated by exporting power from the second unit of the NPP to the European Union (EU) countries will be used for the construction of unit three and unit four. The new units will mostly export electricity to the EU member states.
Khmelnytskyi nuclear power plant details
The operational unit one and unit two have WWER-1000/V320 type reactors. The second unit was modernised with automated radiation control system upon its commissioning. It also features radiation control and environment monitoring system.
The new NPP units will feature V-392B type reactor plant, integrating 1,000MW WWER-1000 type thermal neutron reactors. The reactor was approved by the Ukrainian Government in 2008.
The passive safety systems in the upgraded WWER-1000/V-392B type reactors, including the core flooding and heat removal system, have been improved compared to WWER-1000/V320.
The plant will be equipped with PGV-1000 steam generators, RCP-195М type main reactor coolant pumps, a K-1000-60/3000 turbine unit and a 1,000MW ТWW-1000-2UZ turbine generator.
The second unit began generating more than 15 billion kWh of electricity annually upon its commissioning. The Khmelnytskyi NPP transmits power through the 750kW Widelka-Khmelnytskyi power transmission line, extending between Ukraine and Poland.
The power transmission infrastructure also includes a 750/400/110kV substation in Widełka near Rzeszow, Poland.
Khmelnytskyi nuclear power plant financing
The design and construction of the two new units require approximately UAH723.4bn ($28bn) of funding. The Ukrainian Government signed a loan agreement with the Russian Federation for the completion of two new units in April 2010.
The European Bank for Reconstruction and Development (EBRD) also supports the NPP development.
Khmelnytskyi power plant contractors
Energoatom signed an agreement with JSC Atomstroyexport for the reactor technical design development, as well as production and equipment supply for reactor plant in February 2011.
KIEP is the general designer of the project, while Skoda JS is responsible for supplying the reactors for the project.
Penetron supplies systems for the protection of concrete structures of the plant’s wastewater pumping stations. Elbud Katowice was contracted for the development of the power transmission system for the nuclear plant in 1979.
Eltel Networks designed the 750kV transmission line, switchyard and 3/2 CB 400kV switchyard with a tubular busbar for the power station.
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