Conference Programme

Hanaholmen Congress Centre, Espoo, 21-22 Oct 2025


Monday, October 20th

14:00 - 17:30 Nordic Fusion Forum 2025 (Link)

18:00 - 21:00 Side event by Women in Nuclear Finland


Tuesday, October 21st

Time

Room
Auditorium

09:00 - 10:50 Opening Session

Chair: Harri Varjonen, FinNuclear

09:00

Harri Varjonen, Chair of the SYP2025 organizing committee
Opening of SYP2025

09:05

Sakari Puisto, Minister of Economic Affairs
Opening words

09:20

Carl Berglöf, Ministry of Climate and Enterprise, Sweden
Preparations for New Nuclear Power in Sweden

09:50

Kim Dahlbacka, Westinghouse
New Nuclear Energy in Nordics – Repeating the success story from the seventies

10:20

Jussi Heinonen, STUK
Legislative Reform and Its Effects on Nuclear Energy in Finland

10:50-11:15 Coffee Break (room Tetra)

11:15 - 12:30 Technical Sessions

ROOM

AUDITORIUM

KULLAGER

SKIFTNYCKEL

SMR and Gen IV
Chair: Riitta Kyrki-Rajamäki

Nuclear Fusion Technology
Chair: Megumi Asano-Ulmonen

Nuclear Fuel and Reactor Materials
Chair: Wade Karlsen

11:15

Paula Keto (VTT): Lessons Learned from SAFER2028 SMR Siting and Waste Management Project (SMRSiMa)

Tomas Lindén (Helsinki Institute of Physics): An overview of recent fusion developments

Michael Lewis (Westinghouse): Performance of Fuel Technology on AP1000™ Reactors

11:40

Sami Naumer (VTT): Characterisation and Transport Modelling of Spent Nuclear Fuel from LWR SMRs

Samuli Saari (VTT): ERO2.0 modelling of divertor marker erosion in ASDEX Upgrade L-mode experiments

Björn Andersson (Westinghouse): TRITON11 fuel performance evaluation

12:05

Timothy Schatz (VTT): Small and Advanced Modular Reactor Waste Generation and Management in EURAD-2 WP4 FORSAFF

Aaro Järvinen (VTT): Accelerating Fusion Science and Technology Development with AI

Jan Höglund (Westinghouse): Westinghouse VVER-440 design upgrade

12:30

Session end

12:30 - 13:30 Lunch (Restaurant Plats, Hanaholmen)

13:30 - 15:10 Plenary Session

Chair: Antti Hakola

13:30

Petra Lundström, Fortum
Nuclear Future Outlook and Fortum

14:00

Veli-Pekka Nurmi, TVO
Nuclear safety and overall safety for a nuclear operator under current safety conditions 

14:30

Katherine Dunne and Philip von Segebaden, Novatron Fusion Group
Novatron Fusion Group - in preparation for industrialization of fusion energy

15:00

Awarding the Pekka Jauho prize 2025

15:10

Session end

15:10 - 15:40 Coffee Break (room Tetra) and Women in Nuclear Finland (WiN Fin) networking event (room Kullager):

  • Short introduction of WiN Finland, networking, and possibility to meet the WiN Fin chairpersons

  • Aimed for all WiN members and those interested in WiN's activities
     

15:40 - 17:20 Technical Sessions

ROOM

AUDITORIUM

KULLAGER

SKIFTNYCKEL

SMR and GenIV
Chair: Pirjo Knuuttila

Nuclear Fusion Technology
Chair: Taina Kurki-Suonio

Innovative Solutions and Future Technologies
Chair: Petri Kotiluoto

15:40

(Empty slot, coffee break and WiN Fin event continue)

(Empty slot, coffee break and WiN Fin event continue)

Antti Räty (VTT): Applying digital twins and ontology for robot assisted decommissioning operations (Euratom project DORADO)

16:05

Pyry-Pekka Koistinen (Fortum): Operational Maturity of GEN IV Reactor Designs

Karoliina Salminen (VTT): DEMO breeding blanket remote maintenance concepts and challenges

Pyry Aho (Fortum): Utilizing Large Language Models to Improve Requirements Tracing in the Nuclear Energy Domain

16:30

Jenna Järvenpää (VTT): Comparison of Gaussian Plume models for SMRs in urban areas

Changyang Li (LUT University): Remote Maintenance Strategies and Equipment for DEMO Port Systems

Björn Andersson (Westinghouse): Westinghouse AI application for visual inspections

16:55

Jyri Rökman (VTT): Strategic Optionality and Flexibility in SMR Investments for Process Industry, District Heating, and Data Centers: A Scenario and Real Options Approach

Markus Airila (VTT): Nordic site selection pre-study for Novatron 3 fusion demonstration facility

Thor Lindberg (AFRY Sweden): Novel features of the AFRY Intelligent Scenario Modelling (AISM) tool including PSA studies and sensitivity calculations of radionuclide transport and doses

17:20

Session end

19:00 Conference Dinner (Restaurant Plats, Hanaholmen)


Wednesday, October 22nd


Time

Room
Auditorium

9:00-10:30 Plenary Session

Chair: Juho Ikonen

09:00

Mika Finska, Business Finland
Nuclear IPCEI meaning for Finland

09:30

Johanna Hansen, R&D Coordinator, Posiva
Commissioning phase of the world’s first SNF repository in Olkiluoto

10:00

Hannu Tuulensuu, Head of Nuclear Safety Design, Steady Energy
Status of LDR-50 Safety Demonstration

10:30

Session End

10:30 - 11:00 Coffee Break (room Tetra)
 

11:00 - 12:15 Technical Sessions

ROOM

AUDITORIUM

KULLAGER

SKIFTNYCKEL

Society and Safety Culture
Chair: Olli Nevander

Nuclear Waste Management
Chair: Liisa Heikinheimo

Nuclear Fuel and Reactor Materials
Chair: Jaakko Pullinen

11:00

Timo Hakulinen (CERN): Experience and future perspectives of application of different safety norms in the Personnel Protection Systems of CERN particle accelerators

Riina Rimppi (Radiation and Nuclear Safety Authority): Non-Destructive Assay of Spent Nuclear Fuel Prior to Geological Disposal in Finland

Lukasz Kurpaska (National Center for Nuclear Research, PL): Developing a new class of materials resistant to radiation, temperature, and corrosion - NOMATEN Center of Excellence initiative.

11:25

Kaupo Viitanen (VTT): Implementing Internal Independent Nuclear Safety Oversight (INSO) in the Nordic Nuclear Industry

Erik Brücken (University of Helsinki): On Improving Nuclear Fuel Imaging Using Position Sensitive Detectors

Jenna Järvenpää (VTT): Impact via international scientific collaboration - Examples from VTT-NOMATEN activities

11:50

Sami Karadeniz (VTT): Organizational Lessons Learned from the Olkiluoto 3 Commissioning Project

Weronika Wojnicka (Fortum): Applicability of NURES® Ion Exchange Materials for Holistic Radioactive Liquid Waste Treatment

Jussi Peltonen (Westinghouse): Development and licencing of STAV8 fuel performance code

12:15

Session End

12:15 - 13:30 Lunch (Restaurant Plats, Hanaholmen)

13:30 - 14:20 Technical Sessions

ROOM

AUDITORIUM

KULLAGER

SKIFTNYCKEL

Society and Safety Culture
Chair: Nadezhda Gotcheva

Nuclear Waste Management
Chair: Johanna Hansen

Nuclear Fuel and Reactor Materials
Chair: Jenna Levo

13:30

Maria Nordlund (Platom): The Finnish Nuclear Licensing Process – General Description

Joseph Ridao (Karlsruhe Institute of Technology): Decommissioning of Nuclear Buildings: German Knowledge at European Level

Miika Wallius (TVO): Determination of Recovery Time Distributions for Water Supply Systems for Level 2 PRA

13:55

Kirsi Hassinen (Platom): Government's proposal for the new Nuclear Energy Act in Finland, some of its main impacts

Leena Torpo (Cyclife – EDF Group): A new treatment facility for contaminated metals in Sweden

Markus Olin (VTT): HTGR fuel and graphite back-end – GEMINI 4.0 results

14:20

Session End

14:20 - 14:45 Coffee Break (room Tetra)

14:45 - 16:15 Technical Session and Closing

ROOM

AUDITORIUM

KULLAGER

SKIFTNYCKEL

Society and Safety Culture
Chair: Reko Rantamäki

Nuclear Waste Management
Chair: Leena Torpo

Nuclear Fuel and Reactor Materials
Chair: Eija-Karita Puska

14:45

Roope Marttila (SEATOM Technologies): Public Perception of Nuclear-Powered Ships in Finland, Germany, and the Netherland

Juho Rasmus (University of Oulu): Nuclear Safety and How Geopolymers can be a Part of Solution?

Joona Saira (TVO): Load Follow Operation Capability of Olkiluoto 1 & 2: A Fuel Performance Perspective

15:10

Jussi-Pekka Ikonen (VTT): The Potential Impact of Nuclear Energy on Data Centers

Ville Oinonen (Fortum): Final Disposal of Nuclear Waste in Finland and Special Challenges

William Cleary (Westinghouse): Specialized use of additive manufacturing techniques to prototype and evaluate next generation spacer grids

15:35

Nadezhda Gotcheva (VTT): “Make-it-work”: Developing operational and organizational concepts for SMRs

Wade Karlsen (VTT): Considering decommissioning waste in new reactor materials selection

Shanrandeet Singh (LUT University): Advancing the Understanding of Non-Condensable Gases in Reactor Coolant Systems: Summary of the NCGDENSE Program

16:00

5 minute break. Move to the auditorium for conference closing session

16:05

Closing Session (Auditorium)

16:15

End of Symposium