Global interest and national strategies are driving small modular reactor (SMR) development for clean energy, despite technical, regulatory, and funding hurdles across Europe.
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The global interest in Small Modular Reactors (SMRs) has reached Bulgaria, with the Ministry of Energy planning to include their development in a new energy strategy for 2050. While SMR technology is not new, its current relevance stems from the growing worldwide demand for clean electricity, as renewables alone cannot guarantee supply security and grid balancing, necessitating reliable base power like nuclear energy.
Globally, there are numerous SMR projects under various stages of development across different types of reactors. In Bulgaria, while private industry is actively researching technologies, state efforts have been slower; the Bulgarian Energy Holding is now commissioning an external analysis to assess suitable SMR options for the country. This effort is partially funded by the US Trade and Development Agency (USTDA).
Several countries are advancing with SMRs: the European Commission has published a strategy projecting significant capacity additions by 2050, and Romania is working on a concrete project involving multiple units. Other nations like China and Czechia have strategies for integrating SMRs into their energy mix.
However, implementing SMRs faces hurdles across Europe. Critics point to high costs, complex licensing procedures that treat small reactors similarly to large ones, and concerns about diverting public funds from proven low-carbon technologies like renewables. Furthermore, the supply chain development and establishing a unified European standard are significant challenges. While some countries show strong political will and private investment (like Poland), others remain cautious due to cost or regulatory complexity.
