Construction of Hungary's Paks-2 Nuclear Power Plant Progresses as Planned, Unit 5 Enters Main Construction Phase
2026-05-07 15:45
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en.Wedoany.com Reported - Russia's State Atomic Energy Corporation (Rosatom) has stated that the Paks-2 nuclear power plant project it is constructing in Hungary is progressing according to the established plan, with the relevant schedule having been approved by the Hungarian client. The project is being implemented by Rosatom's engineering division, Atomstroyexport JSC (ASE).

Vitaly Polyanin, Vice President of Atomstroyexport JSC and head of the Paks-2 construction project, stated that the project is currently being executed strictly according to the timeline approved by the Hungarian client. The Paks-2 nuclear power plant is a crucial project for Hungary to expand its nuclear power capacity and maintain long-term stability in electricity supply, and it is also a core element of energy cooperation between Russia and Hungary.

According to the project progress, the first concrete pour for the foundation of Unit 5 at the Paks-2 nuclear power plant was completed on February 5th. By the standards of the International Atomic Energy Agency (IAEA), this milestone signifies that the unit has officially entered the "under construction" phase, marking the project's transition from the preparatory stage to the main construction stage.

Polyanin explained that construction work on Unit 5 is continuously advancing, while the project team is simultaneously preparing for the excavation of the foundation pit for Unit 6. Furthermore, construction and installation bases are being built on-site to support subsequent large-scale civil works, equipment installation, and system construction.

The construction of the Paks-2 nuclear power plant is being carried out based on an intergovernmental agreement signed between the governments of Russia and Hungary in 2014. The two parties also signed three basic contracts covering the design, construction, and related services for two VVER-1200 reactor units.

The VVER-1200 is Russia's Generation III+ pressurized water reactor technology, already deployed in multiple nuclear power projects domestically and abroad. The design of this reactor model emphasizes safety system redundancy, long operational life, and high availability, and is typically used to replace older units or add new large-scale baseload power sources.

The Paks nuclear power plant is currently a vital baseload power source in Hungary's electricity system. Once the new Units 5 and 6 are commissioned, they are expected to further enhance Hungary's nuclear power generation capacity and support the country's long-term goals regarding energy security, low-carbon electricity supply, and management of dependence on imported fuels.

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