Important! Due to the complicated epidemic situation in the country, visits to Kozloduy NPP have been temporary suspended as a preventive measure. Please, follow the information on our website for any updates on resuming these visits.

Have you ever wondered how a nuclear power plant looks from the inside, what happens in the reactor core, how electricity is generated in a nuclear power plant, or how a nuclear unit is managed? Come and visit us and find the answers to these and many other interesting questions about nuclear energy. Kozloduy NPP doors are always open for visits of Bulgarian and foreign citizens and journalists.



Anyone interested in visiting Kozloduy NPP may also take the opportunity of the Open Doors Days organised traditionally for more than 15 years – usually in spring and autumn each year. The date of the Open Doors Day (normally a Saturday) is announced in advance in the mass media, and on the website of the plant in the News section, as well as on the official Kozloduy NPP Facebook page.


Which of the Kozloduy NPP facilities are accessible to external visitors?

  • The Information Centre where one can obtain a variety of printed materials, watch films, see equipment mock-ups, etc.;
  • The Simulator Training Facility equipped with a full-scope simulator which is a complete replica of WWER-1000 main control rooms. This is the place where the operators of the nuclear facilities get trained;
  • The switchyard which connects the nuclear power plant with the national grid;
  • The  Radioecological Monitoring  Department where radioecological analyses of samples from air, airborn depositions , water, foods, vegetation, soil, etc. are made;
  • The turbine halls of Units 5 and 6 – the compartments housing turbines and electric generators.

How a visit to Kozloduy NPP is organised?
You have to send an e-mail to, with your request FAO the Chief Executive Officer of Kozloduy NPP EAD, two weeks in advance of your planned visit date which should be a workday. Details on the visit objective, number of visitors, and contact details are to be specified in the e-mail message.
A special programme is prepared for each visit depending on the visitors' interests. We will confirm in a timely manner whether we can welcome you on the date you specified.

Is there any limitation on the number of visitors?
The total number of visitors at the site shall not exceed 50 persons a day.

When can Kozloduy NPP be visited?
The Information Centre is open for visitors every workday from 8 am to 4 pm. Visits to plant facilities are organised in workdays on a year-round basis with closing time at 3.30 pm.
Visits to the Turbine Halls of Units 5 and 6 are not organised during annual outages.

Can we visit the main control rooms of the power plant?
Due to safety and security reasons, access to the main control rooms is limited and visits are not allowed. If you wish, you can visit the full-scope simulator complex in the Training Centre.


Additional information on the organisation of visits to Kozloduy NPP is available on Tel.: +359 973 7 21 00 and +359 973 7 27 68.

For visits to the suspended Units 1 - 4 it is necessary to contact the Information Center of the State Enterprise "Radioactive Waste" by e-mail: or by phone 0973 8 00 96.