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KNPPNB – Kozloduy Nuclear Power Plant Expansion 2000 MW – Bulgaria - Project Profile

KNPPNB – Kozloduy Nuclear Power Plant Expansion 2000 MW – Bulgaria - Project Profile


"KNPPNB – Kozloduy Nuclear Power Plant Expansion 2000 MW – Bulgaria - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.

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Kozloduy NPP-New Builds Plc (KNPPNB) is planning to undertake the Kozloduy Nuclear Power Plant Expansion project in Vratsa, Bulgaria.

The project involves the construction of two nuclear power units of 1,000MW each. The project includes the construction of powerhouse, substation, switchyard and related facilities, the installation of turbines, reactors, generators and transformers, and the laying of transmission lines.

The government is considering constructing the project with the help of a foreign investor.

In April 2012 the Council of Ministers approved the new capacity at Kozloduy power plant. The Ministry of Finance announced that the government decided to open an investment for the project for a new reactor 7 at the Kozloduy nuclear power plant. It will be built on market principles, that is, without government money or state guarantees.

In June 2012, a request for proposals elicited responses from Areva, Areva/Mitsubishi, Bulgaria's Risk Engineering Ltd, Westinghouse and WorleyParsons.

In August 2012, Westinghouse Electric Co. (WEC) was appointed to assess the feasibility of two options: a VVER unit using Russian equipment already procured, but with instrumentation and control systems and fuel from Westinghouse, and a turbine-generator from Toshiba; and construction and operation of a western1000-1200 MWe PWR, essentially Westinghouse's AP1000.

The study was to evaluate the site, radioactive waste and used fuel management, use of existing infrastructure and facilities, licensing, local economic aspects, and the economics of the alternative reactor options. Proposals for an Environment Impact Assessment (EIA) were invited in September 2012.

In May 2013 the results of studies and assessments were presented to the Council of Ministers for decisions on the technology, the number of units, the capacity, and construction schedule.

From November 2013, the Economy and Energy Minister was in negotiations with Westinghouse, and announced that construction of an AP1000 reactor as unit VII might commence in 2016.

BEH EAD was in discussion WEC and Toshiba Corporation to develop and construct the unit VII of the power plant. However, on June 4, 2014, Toshiba Corp. withdrew from the project and was replaced by WEC.

In the same month, WEC signed a memorandum of understanding (MoU) with three Bulgarian subcontractor companies including:

1. EnergoService Ltd. (Specialized in the maintenance of information and control systems);
2. ENPRO CONSULT Ltd.(An Engineering company);
3. OSKAR-EL Ltd (Deals with power supply, automation, and control of the technological process in the sectors of industry, electrical power, and water)

The agreements comprise the significant part of the automation, electrical control and engineering work that are to be carried out in the reactor.

On August 1, 2014, WEC signed a shareholder agreement with BEH EAD, KNPP and Kozloduy NPP-New Builds Plc. Under the agreement, WEC will provide all of the plant equipment, design, engineering and fuel for the new unit VII, and also KNPP and WEC will own 70% and 30% shares respectively in the company Kozloduy NPP - New Builds Plc.

In January 2016, KNPP signed a deal for extending the lifespan of one of its two operating 1,000MW units with a consortium of Russia’s Rusatom Service and Bulgaria’s Risk Engineering. However, the deal was cancelled in October 2016.

KNPPNB is in negotiation with the Ministry of Economy, Energy, and Tourism over the project proposals involving the project financing and development timelines. Construction works on unit VII is scheduled to be completed by 2025.


The project involves the construction of two nuclear power units of 1,000MW each located about 5km east of Kozloduy, a town on the Danube River, Vratsa, Bulgaria.

The US$5,300 million project includes the following:

1. Construction of a 1,000MW nuclear power Unit VII

2. Construction of a 1,000MW nuclear power Unit VIII

3. Construction of powerhouse

4. Construction of substation

5. Construction of switchyard

6. Construction of related facilities

7. Installation of turbines

8. Installation of reactors

9. Installation of generators and transformers

10. laying of transmission lines

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1.Key Statistics
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4.Operating metrics
5.Tender Information
8.Latest update
10.Key Contacts
11.General News, Project News

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