4.1. The Finnish Nuclear Energy Act and Safety Oversight Mechanisms
The statutory framework governing nuclear energy in Finland reflects an established regulatory paradigm designed primarily for large-scale, bespoke light water reactors (Nuclear Energy in Finland, 2025). When applying institutional oversight theories to small modular reactor (SMR) deployment, significant misalignments emerge between traditional site-centric licensing practices and the operational realities of factory-fabricated nuclear units (Challenges of SMR Licensing Practices, 2012). The Finnish Nuclear Energy Act historically mandates comprehensive, multi-stage evaluations for individual plant sites, imposing substantial regulatory burdens on modular designs intended for serial production and decentralized deployment (Litmanen et al., 2023). Under current oversight mechanisms, the Radiation and Nuclear Safety Authority (STUK) must balance rigorous safety requirements with the need for flexible pre-licensing pathways that assess standardized technological modules prior to site allocation (Challenges of SMR Licensing Practices, 2012; Litmanen et al., 2023). Furthermore, integrating SMR units into municipal heat networks demands adapted emergency planning zones and streamlined environmental impact assessments that correspond directly to reduced source terms and passive safety features (Nuclear Energy in Finland, 2025). Reforming these statutory procedures is therefore essential for institutionalizing SMR technologies, ensuring that Finnish regulatory authorities maintain high radiation safety benchmarks while facilitating predictable commercial licensing for municipal and industrial energy producers.