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Bulgaria invites EOI for Unit 7 of the Kozloduy nuclear plant

The Bulgarian nuclear company Kozloduy NPP New Builds has invited expressions of interest (EOI) for companies to build Unit 7 at the Kozloduy nuclear power plant (north-western Bulgaria) under an engineering, procurement and construction (EPC) contract. As per a previous deal, the two planned units will have to be Westinghouse AP-1000 reactors. Despite this, the US-based Westinghouse will not take part in the construction on the project (but will retain overall control). 

In January 2023, the Bulgarian Parliament voted on the need to build two new reactors at the plant using AP-1000 technology. In March 2023, Kozloduy NPP and Westinghouse signed a Memorandum of Understanding (MoU) establishing a joint working group to plan the deployment of the reactors in Bulgaria.

Currently, the 1.9 GW Kozloduy plant, Bulgaria’s sole nuclear plant, operates two Soviet-built VVER-1000 reactors (Units 5 and 6) (2x930 MW) licenced to operate until 2027 for unit 5 and until 2029 for unit 6. The country was required to close four older VVER-440 units as a condition for accession to the European Union. In 2022, nuclear represented 15% of Bulgaria’s installed capacity and 33% of its power generation.

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