nuclear-news

Report: Small Modular Distractors: Why a European SMR strategy hinders the energy transition

09/12/2025, https://caneurope.org/small-modular-distractors/

Click on image [on original] to download the report

“Our investigation demonstrates why betting on small modular reactors would be a costly mistake for Europe. These projects would be slow to construct, with long delays, over budget, a poor economic fit for our power system needs, and would produce toxic radioactive waste for which we do not have a solution. Many projects would likely not materialise and jeopardise our electricity supply. Distorting funding away from more realistic, lower-cost solutions such as renewables, storage, and demand side solutions risks derailing the energy transition, keeping our emissions and energy prices high.” – Thomas Lewis, Author and Energy Policy Coordinator at CAN Europe

An EU Small Modular Strategy is a distraction

Small modular reactors are not a viable solution to decarbonising our energy system and supporting a transition to net zero. The technology has not been demonstrated at any sort of scale, with great unknowns when it comes to design.

CAN Europe’s latest report details how SMR projects have been shown to be significantly delayed compared to initial estimates, are slower to construct than traditional nuclear, consistently over budget, more expensive than renewables, not economically fit to provide flexibility, not very small, deter funding away from realistic renewable solutions, produce more waste than traditional nuclear, and citizens have little trust in their governments to implement plans fairly. They are also planned under the assumption that the governments would take responsibility and invest in enabling infrastructure such as grids and nuclear storage facilities.

An EU SMR Strategy, as well as national plans to pursue SMRs, risks diverting attention, resources, and political momentum away from the proven solutions needed for a fast, fair, and effective energy transition. While the following recommendations aim to minimise the potential negative impacts of SMR-related initiatives, it is important to underline that only a transition pathway without new nuclear capacity can deliver the speed, cost-effectiveness, and system resilience required for Europe’s decarbonisation.

Diagrams and graphs within the report can be downloaded below: [ on original]

December 10, 2025 - Posted by Christina Macpherson | ENERGY, Small Modular Nuclear Reactors