Both NARSIS and PIACE address nuclear safety from different angles — NARSIS through multi-hazard probabilistic risk analysis, PIACE through passive safety system design for advanced reactors.
GEN ENERGIJA DOO
Slovenian nuclear plant operator contributing reactor safety assessment and passive safety expertise to EU research on current and advanced reactor designs.
Their core work
GEN ENERGIJA is a Slovenian energy company based in Krško — the site of Slovenia's only nuclear power plant (Krško NPP), which it co-owns and operates. Their core business is nuclear electricity generation and plant management, which gives them rare operational expertise that they bring into EU research: real-world data, site-specific safety knowledge, and the practical constraints of running a licensed reactor. In H2020, they participated as an industry partner contributing nuclear plant operator perspective to safety research — first on probabilistic risk methodologies for existing light water reactors, then on passive safety systems for advanced reactor concepts. This positions them as a bridge between academic nuclear research and the daily reality of operating a commercial nuclear facility.
What they specialise in
NARSIS explicitly targeted probabilistic safety assessment integrated with natural external hazards such as seismic and flooding events, a core PSA methodology application.
NARSIS focused on building a multirisks integrated framework for nuclear power plants exposed to combined natural hazards, directly relevant to post-Fukushima regulatory demands.
PIACE addressed passive isolation condenser technology applicable to lead-cooled fast reactors (LFR), accelerator-driven systems (ADS), and light water reactors (LWR).
As the operator of Krško NPP, GEN ENERGIJA contributes operational grounding across both projects — validating research outputs against real commercial reactor conditions.
How they've shifted over time
Their early H2020 work (from 2017, NARSIS) focused squarely on the safety of existing conventional nuclear plants — specifically how to model and assess risk when multiple natural hazards strike simultaneously, a priority driven by lessons learned from Fukushima. By 2019, with PIACE, the focus shifted toward enabling technologies for next-generation reactor designs: passive safety systems that work without active intervention, tested against LFR and ADS concepts that represent the future of nuclear. This is a meaningful progression — from defending and hardening today's reactor fleet to enabling tomorrow's.
GEN ENERGIJA is moving from regulatory-driven safety analysis of existing plants toward participation in next-generation nuclear research, suggesting they are positioning for a role in Europe's advanced reactor programs and energy transition policy debates.
How they like to work
GEN ENERGIJA has participated exclusively as a consortium partner across both projects, never as a project coordinator — consistent with an industrial operator that contributes domain expertise and operational validation rather than driving research agendas. Their 29 unique partners across 13 countries from just two projects signals involvement in large, well-structured European consortia where they are one of several industry partners anchoring academic work in real-world constraints. Working with them likely means gaining access to a licensed NPP operator's perspective, data, and institutional credibility within EU nuclear safety circles.
With 29 distinct partners across 13 countries from only two projects, GEN ENERGIJA has plugged into genuinely broad European consortia — this is not a small national network. Their Krško location, in a region where the NPP is jointly operated by Slovenia and Croatia, likely extends their informal network into Central and Eastern European nuclear institutions beyond what the project data alone shows.
What sets them apart
Very few H2020 participants are active nuclear power plant operators — most are research institutes, universities, or engineering consultancies. GEN ENERGIJA's value in a consortium is precisely that they own and run a commercial reactor: they can validate computational safety models against operational reality, provide site-specific data, and ensure research outputs meet the practical constraints that regulators and plant managers actually face. For any project touching nuclear safety, passive systems, or next-generation reactor licensing, they represent a direct line to industry credibility.
Highlights from their portfolio
- NARSISThe largest project by budget (EUR 263,340) and the broadest in ambition — building an integrated multi-hazard risk framework for nuclear plants, directly addressing the post-Fukushima regulatory gap on combined natural external hazards.
- PIACEFocused on passive isolation condenser technology applicable across three reactor types (LFR, ADS, LWR), marking GEN ENERGIJA's step into next-generation nuclear safety research beyond their existing light water reactor operations.