OBJECTIVES
The conference “Nuclear energy for the people” will provide a forum for presentation of news and discussions on problems concerning nuclear technology and nuclear applications.
The conference environment shall help in involving and engaging more young professionals in nuclear engineering and applications. The policy of education is a key element in the development of nuclear energy as well as activating and engaging of public toward nuclear applications. Bulgarian and foreign experts and researches, students related to the nuclear energy are invited to take part.
MAIN TOPICS
- Advances in Nuclear technology
- Education issues in nuclear and radiation
- NPP Safety and Safety Culture
- NPP Lifetime Management
- RAW Management
- NPP Decommissioning
- Radiation and environment
- Nuclear medicine
- Nuclear physics
AUTHORS INFORMATION
The authors should submit extended abstracts of up to 2 pages (up to 4000 symbols). The abstract should contain: 1) paper title, 2) authors’ full names and addresses, 3) name, address, phone and e-mail of the author to whom subsequent correspondence should be directed, 4) five keywords in order of importance.
The abstract should clearly state background, objectives, results and conclusions. It may contain figures, tables and pictures.
The Organizing Committee will inform you about the acceptance of your paper for oral or poster presentation.
PAPER PUBLICATION
The papers accepted for presentation on the conference are eligible for publishing in the BgNS Science and Technology Journal. Refer to www.bgns.bg for more information.
YOUNG AUTHORS’ COMPETITION FOR BEST PRESENTATION
The young authors, not older than 35 years, being first author could take part in Young Authors’ Competition (YAC) for Best Presentation.
The Competition Commission will review and evaluate the presented papers. The papers nominated be the Commission will be presented orally at the conference. The rest of the papers could participate in the competition for a best Poster. The best presentations nominated by both, the conference participants and Competition Commission, will be awarded.
The criteria for evaluating reports for the Competition are: relevance to the conference theme, clear exposition of objectives, subject matter, results and conclusions, accessibility, attractiveness and visualization, balance between text and figures.
The authors should submit full text of the presentation of up to 6 pages. The paper should contain: 1) paper title, 2) name, address, phone and e-mail of the first author, 3) authors’ names and full address, 4) five keywords in order of importance, 5) abstract, and 6) full text.
WORKING LANGUAGE
English and Bulgarian
We kindly ask the reports to be presented by slides in English.
DEADLINE INFORMATION
| Submission of Participation form and Abstract | 08.09.2026 |
| Submission of Full paper for Young Authors Competition | 08.09.2026 |
| Notification of acceptance for Young Authors Competition | 15.09.2026 |
| Notification of acceptance for paper presentation | 12.09.2026 |
| Submission of Participation form only | 20.09.2026 |
| Conference open | 14.10.2026 |
PROGRAME COMMITTEE
| Members in ALFABET order: Pavlin GROUDEV, Bulgaria, Chair | |
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Algirdas KALIATKA, Republic of Lithuania Dimitar TONEV, Bulgaria Denitza ZGUREVA-FILIPOVA, Bulgaria Fabrizio GABRIELLI, Germany Fulvio MASCARI, Italy |
Georgi RAINOVSKI, Bulgaria Kalin FILIPOV, Bulgaria Luis E. HERRANZ, Spain Marin CONSTANTIN, Romania Stanislav GEORGIEV, Bulgaria |
ORGANIZING COMMITTEE
Mladen Mitev, INRNE-BAS and BgNS President
Krassimira Ilieva, BgNS
Albena Georgieva, BNRA
Petya Vryashkova, INRNE-BAS
Maria Krasteva, BgNS
PARTICIPATION FEE AND PAYMENT
The Participation fee is 330 EUR
The early registration, before 01.08.2026, is 300 EUR
The Participation fee for BgNS members is 300 EUR
The early registration for BgNS members, before 01.08.2026 is 290 EUR
Student participation fee is 157 EUR
Accompanying person fee is 136 EUR
The Participation fee includes:
- Admission to BgNS 2026 Conference
- Certificate of Participation
- Publication of an abstract in the Book of Abstracts
- Oral or poster presentation in Conference session
- Conference kit
- Coffee breaks between the sessions
- Welcome Dinner, Conference Dinner
- Excursion
The accompanying person fee includes Welcome reception, Conference dinner, lunches and social event participation.
The fee should not be reimbursed after 20 September 2026.
Payment
Participation fee should be paid via bank transfer:
Bulgarian Nuclear Society, UniCredit Bulbank
IBAN: BG92 UNCR 7630 1208 9962 05,
BIC: UNCRBGSF
Specify: your name, BgNS Conference 2025
REGISTRATION
Fill and send by e-mail Participation form [DOC] [PDF]
Conference e-mail: conference@bgns.bg
INFORMATION
BgNS, Bulgaria, 1784 Sofia,
72 Tzarigradsko Chaussee Blvd
Petya Vryashkova, BgNS Secretary General
Mobile +359 898 435 141
ACCOMMODATION
The BgNS conference will be held at


STRIMON GARDEN medical spa hotel
Kyustendil
https://strimon.bg/
24 Tzar Simeon I street
How to reach The Hotel by car: GPS coordinates – 42.2837681, 22.6891936
Offers special reduced rates for the conference:
single room per night – 81.19 EUR
one person in double room per night – 64.83 EUR
The price is per person, per night for the specified accommodation and includes:
Overnight stay, Breakfast buffet, Dinner buffet, Use of SPA & Wellness center relaxation zone: free use of SPA & Wellness center (indoor swimming pool with mineral water at a temperature of 31°C, children’s pool with warm mineral water, Roman pool with mineral water at a temperature of 37°C, Salt room, mineral water bath at a temperature of 45°C, contrast pool, steam bath, Finnish sauna, infrared sauna, warm relaxation bench, relaxation zone with warm loungers, Fitness hall, Hotel Free parking and access to a spacious park-garden, Tourist tax, insurance and VAT.
Your booking for The HOTEL will be guaranteed if done before 01.10.2026. After this date rooms are provided if available.
We encourage you to make your reservation ON TIME
STRIMON GARDEN medical spa hotel
e–mail: reservation@strimon.bg
Phone: +359 879 35 36 49
specify in the booking: You name and “for BgNS conference”
SOCIAL
16 October 2026, 11.30 -15.30

PROGRAMME [PDF]
Recommendation to the speakers: Keep 3-5 minutes of the time of your presentation for Q&A
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Wednesday, 14. 10.2026 |
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16:00 – 18:00 |
Registration, Entrance Hall |
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19:30 – 22:30 |
Welcome Dinner –Hotel Restaurant |
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Thursday, 15.10.2026 |
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08:00 – 09:00 |
Registration, In front of the STRIMON GARDEN Conference Room |
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Conference Room |
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09:20 – 09:30 |
Mladen MITEV, BgNS president, Opening the Conference |
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Session: NEWS AND NPP ISSUES |
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Chairs: Pavlin GRUDEV (INRNE-BAS) and |
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09:30 – 09:50 |
Borislav BOEV, World Energy Council, Bulgaria, ’’Electricity Markets in Southeastern Europe – Key Challenges’’ |
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09:50 – 10:10 |
Greta GEORGIEVA, Worley Nuclear Services JSC, Sofia, Bulgaria, ’’Small Modular Reactors Technologies Overview’’ |
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10:10 – 10:30 |
Iskren TZVETKOV, Kozloduy NPP EAD, ’’Digital Transformation of Knowledge Management and Mentoring at Kozloduy NPP’’ |
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10:30 – 10:50 |
Emil KICHEV, Bulgaria, ’’Two AP1000 Nuclear Units in Bulgaria: How Large and Diverse Must the Workforce Be and When Will It Be Needed?’’ |
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10:50 – 11:10 |
Anelia ILIEVA, Kozloduy NPP EAD, ’’NUCLEAR REACTORS, TECHNICAL AND ECONOMIC EFFICIENCY’’ |
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11:10 – 11:30 |
Srebrin Kolev, Kozloduy NPP EAD, ’’Practical and User Experience from Utilising the Beacon Core Monitoring System and the APA H Code Package at Kozloduy NPP Units 5 and 6’’ |
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11:30 – 11:50 |
Lunch Break, Hotel Restaurant Take your packed lunch for the road |
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12:00 – 16:00 |
Excursion or Free time |
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16:00 – 16:30 |
Coffee break |
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SESSION: APLICATION, RADIATION AND ENVIROMENT |
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Chairs: Petya VRYASHKOVA (INRNE-BAS, BG) |
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16:30-16:50 |
Nely IVANOVA, Kozloduy NPP EAD, ’’METROLOGICAL ASSURANCE AT KOZLODUY NPP EAD –A GUARANTEE OF QUALITY AND SAFETY’’ |
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16:50-17:10 |
Filip FILIPOV, Kozloduy NPP EAD, ’’DATA STORAGE AND GENERATION OF REPORTING DOCUMENTS FROM METROLOGICAL VERIFICATION OF ELECTRICAL QUANTITY MEASURING CHANNELS OF THE ’’OVATION’’ SYSTEM WITH MS ACCESS DATABASE’’ |
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17:10-17:30 |
Borislava GLADKOVA, Kozloduy NPP EAD ”ASSESSMENT OF THE TEMPERATURE IMPACT OF THE KOZLODUY NPP ON THE DANUBE RIVER‘‘ |
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17:30-17:50 |
D. DIMITROVA, D. Tonev, Zv. Nonova, B. Slavchev, Z. Zahariev, S. Krastevski, Institute for Nuclear Research and Nuclear Energy, ’’DETERMINATION OF GROSS ALPHA AND BETA RADIOACTIVITY IN DRINKING WATERS FROM BULGARIA’’ |
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17:50- 18:10 |
Rositca PEYCHEVA, DIAL Ltd, ’’Determination of total indicative dose in drinking water in Bulgaria’’ |
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19:00 – 21:00 |
Dinner –Hotel Restaurant |
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Friday, 16.10.2026 |
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Conference room |
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YOUNG GENERATION COMPETITION |
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Chairs: Lyuben DOBREV (Kozloduy NPP) and Srgjan KRSTEVSKI (INRNE-BAS) |
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9:30 – 10:30 |
Oral presentation For presentation – 15 min 1. Hasan MEHMED, DIAL Ltd, ’’Assessment of Radiological Parameters in Environmental samples: Results of CSRL –DIAL Ltd. from the IAEA-TERC-2025 Interlaboratory Comparison’’ 2. Adrian BELICHENOV, Sofia University “St. Kliment Ohridski”, Sofia, BUGARIA, ’’Stationary Model of Ammonia Speciation and Dissolved Hydrogen in VVER Primary Coolant’’ 3. Todor DOBREV, 10 class, 9FEG “Alphonse de Lamartine”, ’’90 Sr/ 90 Y BETA VOLTAIC CELL – A FUTURE ALTERNATIVE FOR THE RECYCLIN OF SPENT NUCLEAR FUEL’’ 4. Milen DOBREV, Technical university of Sofia, ’’Modeling the thermomechanical behavior of VVER-1000 reactor fuel’’ |
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10:30 – 10:35 |
Voting for oral presentation |
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10:35 – 10:50 |
Posters presentation Request for a short (3 min) presentation 1. Desislava TONCHEVA, Stefan NIKOLOV, Faculty of Physics, Sofia University “St. Kliment Ohridski”, ’’Boric acid concentration analysis based on reactivity in VVER-1000 type reactors during the approach to the minimum controllable power level’’ 2. Stoyan DOINOV, Kozloduy NPP, ’’Early Warning System for Exhausted Anion Filter’’ Voting for poster presentation |
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10:50-11:00 |
Neli DOBRIYANOVA1 and Iliyan NENCHEV2, Faculty of Chemistry and Pharmacy SU ’’St. Kliment Ohridski’’1, Technical university of Sofia2, ’’EUROPEAN NUCLEAR YOUNG GENERATION FORUM 2027’’ |
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11:00 – 11:20 |
COMMON PICTURE in front of the hotel entrance and Coffee break |
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SESSION: NPP ISSUES |
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Chairs: Ludmil NEDELCHEV (Kozloduy NPP) and Victor KOLYKHANOV (Odessа Polytechnic National University) |
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11:20 – 11:40 |
Hilmi KUSHEV, Sofia University “St. Kliment Ohridski”, ’’Presentation of a new Monte Carlo simulator, as well as the possibilities for its use to analyze data and automate experiments with AI’’ |
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11:40 – 12:00 |
Plamen PETKOV, , Sofia University “St. Kliment Ohridski”, “Evaluation of DASSH thermal hydraulic code to analyze light water reactors core heat removal” |
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12:00 – 12:50 |
Session POSTERS out of Young Generation Competition |
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Chairs: Edmon DOGRAMADJIAN (Worley Nuclear Services) and Krassimira ILIEVA (BgNS) |
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Three minutes presentation is desirable/possible 1. Boyka NENKOVA1, Petar MANCHEV1, Edmon DOGRAMADJIAN2, GCR Ltd1, Worley Nuclear Services JSC2, Bulgaria, ’’Risk-Based Quality Surveillance and Inspection in Nuclear Equipment Manufacturing: Ensuring Safety, Compliance, and Reliability’’ 2. Victor KOLYKHANOV, Odesa Polytechnic National University, “Neutron diffusion from a point source placed asymmetrically to the boundaries” 3. Igor KOZLOV, Odesa Polytechnic National University, ‚‘‘Nuclear education and science NURECAB Odessa Polytechnic National University Department of Nuclear Power Plants’’ 4. Lyudmil NEDELCHEV, Kozloduy NPP EAD, ’’OPERATION BEYOND 60 YEARS LONG-TERM OPERATION (LTO) FOR UNITS 5 AND 6 OF KOZLODUY NPP EAD’’ 5. Mitko MILYOVSKI, Rusiyan TSIBRANSKI, Kozloduy NPP EAD, ’’CONTRIBUTION OF 14 C AND 3 H IN THE DOSE BURDEN FROM GASEOUS AEROSOL EMISSIONS DUE TO KOZLODUY NPP OPERATION’’ 6. Veneta VALCHEVA, Kozloduy NPP EAD, “Управление на бизнес процесите в „АЕЦ Козлодуй“ ЕАД със софтуерен продукт ARIS” 7. Deyan ATANASOV, Kozloduy NPP EAD, ’’The Realization of the investment program – a guarantee for the NPP KOZLODUY’S future’’ 8. Lyuben DOBREV, Kozloduy NPP EAD, ’’Analytical procedure for determination of activation products 55Fe and 63Ni in water samples from wet storage pools’’ 9. Antoaneta STEFANOVA, Pavlin GROUDEV, Institute for Nuclear research and nuclear energy, ’’Assessment of the capabilities of hydro-accumulators for long-term core cooling in case of SBO’’ |
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13:00 – 14:00 |
Lunch Break, Hotel Restaurant |
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Session: HUMAN RESOURCES IN NUCLEAR For teachers and high school students. The presence of conference participants is possible In Bulgarian only |
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Chairs: Kalin FILIPOV (TU-Sofia, BG) and Nevena VELICHKOVA, Kozloduy NPP |
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14:00 – 14:15 |
Представяне на учители и училища |
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14:15– 14:30 |
Невена ВЕЛИЧКОВА, Козлодуй ЕАД, ‘‘Планиране на потребностите от персонал в „АЕЦ Козлодуй“ |
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14:30 – 14:45 |
Борислав БОЕВ, НКБСЕС, ‘‘Кадрово осигуряване в ядрената енергетика – състояние и перспективи‘‘ |
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14:45 – 15:00 |
Пламен ПЕТКОВ, СУ „Св. Климент Охридски“, България, „Ядрено обучение в СУ – преглед“ |
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15:00 – 15:15 |
Деница ЗГУРЕВА-ФИЛИПОВА, ТУ- София, „Какво се учи в ТУ за ядрената енергетика“ |
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15:15 – 15:30 |
Дискусия |
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15:30 – 16:00 |
Coffee break |
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NATIONAL SEMINAR to consider aspects of the development and implementation of modern pedagogical tools in higher and secondary education
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Chairs: Iskren TZVETKOV (Kozloduy NPP) and Mladen MITEV (INRNE-BAS)…. |
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16:00 – 16:30 |
Prof. Phongphaeth PENGVANICH, Chulalongkorn University, Thailand ‘‘Thailand’s Nuclear Energy Transition, Small Modular Reactor (SMR) Roadmaps, Capacity Building, and Regional Integration via ANENT and INSTA‘‘ |
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16:30 – 16:45 |
Petar MIHAYLOV and Mladen MITEV, Institute for Nuclear research and Nuclear energy, “Artificial Intelligence Testing and Assessment in Nuclear Energy-Related Subjects” |
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16:45 – 17:15 |
Prof. Phongphaeth PENGVANICH, Chulalongkorn University, Thailand, ‘‘Empowering Next-Generation and Good Practices for Youth Engagement in Nuclear Science and STEM‘‘ |
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17:15 – 17:30 |
Mladen MITEV, Technical University of Sofia, ‘‘National Program D01-99: Qualification improvement in the field of nuclear technologies and nuclear engineering‘‘ |
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17:30 – 18:00 |
ROUND TABLE, “Current Challenges to the Development of the Nuclear Sector in Bulgaria”, Moderator: Mladen MITEV, BgNS |
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19:30 – 23:30 |
Gala dinner Awarding the best YG presentations |
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