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 | ||
09:00 - 10:50 Opening SessionChair: Harri Varjonen, FinNuclear | |||
09:00 | Harri Varjonen, Chair of the SYP2025 organizing committee | ||
09:05 | Sakari Puisto, Minister of Economic Affairs | ||
09:20 | Carl Berglöf, Ministry of Climate and Enterprise, Sweden | ||
09:50 | Kim Dahlbacka, Westinghouse | ||
10:20 | Jussi Heinonen, STUK | ||
10:50-11:15 Coffee Break (room Tetra) | |||
11:15 - 12:30 Technical Sessions | |||
ROOM | AUDITORIUM | KULLAGER | SKIFTNYCKEL |
SMR and Gen IV | Nuclear Fusion Technology | Nuclear Fuel and Reactor Materials | |
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 SessionChair: Antti Hakola | |||
13:30 | Petra Lundström, Fortum | ||
14:00 | Veli-Pekka Nurmi, TVO | ||
14:30 | Katherine Dunne and Philip von Segebaden, Novatron Fusion Group | ||
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):
| |||
15:40 - 17:20 Technical Sessions | |||
ROOM | AUDITORIUM | KULLAGER | SKIFTNYCKEL |
SMR and GenIV | Nuclear Fusion Technology | Innovative Solutions and Future Technologies | |
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
| Room | ||
9:00-10:30 Plenary SessionChair: Juho Ikonen | |||
09:00 | Mika Finska, Business Finland | ||
09:30 | Johanna Hansen, R&D Coordinator, Posiva | ||
10:00 | Hannu Tuulensuu, Head of Nuclear Safety Design, Steady Energy | ||
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 | Nuclear Waste Management | Nuclear Fuel and Reactor Materials | |
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 | Nuclear Waste Management | Nuclear Fuel and Reactor Materials | |
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 | Nuclear Waste Management | Nuclear Fuel and Reactor Materials | |
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 | ||