Coordinated Deployment of Small Modular Reactors Could Cut Costs in Europe

Recent analysis from Politecnico di Milano has highlighted that by collaborating on the establishment of small modular reactors (SMRs), Europe stands to drastically lower costs. The focus is on developing an initial fleet of standardized units rather than pursuing fragmented national projects. This strategic shift could be a turning point in a landscape marked by rising energy costs and increasing demand for sustainable energy solutions.

The Cost Advantages of a Coordinated Approach

The study, backed by the Clean Air Task Force (CATF), indicates that deploying a fleet of 5-8 gigawatts (GWe) could yield most of the cost savings associated with larger-scale programs. A unified order book for SMRs would provide necessary predictability for both investors and manufacturers, thereby strengthening supply chains and lowering financing costs for future projects. This is more significant than it looks; the financial predictability doesn't just encourage investment but could also stabilize energy prices across Europe, a critical factor in today’s economic climate.

By emphasizing standardized designs and fleet-based approaches, the analysis suggests that nations can sidestep the inefficiencies of smaller, isolated projects. In part, it’s about sending a message to the marketplace: a coordinated strategy can draw in capital while minimizing risks associated with new technologies. Giorgio Locatelli, a professor at Politecnico di Milano and the lead author of the research, emphasized that viewing SMRs as part of a coordinated fleet rather than isolated endeavors could significantly enhance economic feasibility. “Countries should align their efforts around standardized designs, repeated builds, and predictable orderbooks to foster industry confidence and reduce electricity costs,” he noted. The synchronization of efforts enhances not just the reliability of supply but also the overall confidence in nuclear energy’s role in achieving a carbon-neutral future.

Momentum for SMR Development

As Europe seeks to improve energy security and reduce emissions, interest in SMRs has significantly increased. The European Commission estimates the SMR capacity within the EU could grow to between 17-53 GWe by 2050. Such projections point to a considerable shift in energy policy, one aiming to integrate nuclear power into a broader renewable strategy. Notably, over ten EU member states are keen on SMR developments, as seen in their updated National Energy and Climate Plans (NECPs). This renewed focus on nuclear power is notable, especially given the historical apprehension surrounding it following various incidents in the past. Furthermore, seventeen nations have formed the European Nuclear Alliance to boost nuclear capacity, indicating a commitment to collaboration that could redefine energy strategies across the continent.

Current momentum behind SMRs is supported by collaborative efforts of around 400 organizations across Europe. They're keen on hammering out the details of promising SMR designs, aiming for the first deployment in the 2030s, which, as ambitious as it sounds, represents a practical target given the technological and regulatory hurdles. Malwina Qvist, Director of Nuclear Energy at CATF, stressed the critical need for coordinated efforts to transform the growing interest into practical and financially viable solutions for energy decarbonization and security. With various stakeholders involved, the pathway to deployment looks exciting but complex. You can’t overstate how important alignment across the industry is at this juncture.

Key Findings from the Study

• Fleet Deployment Yields Early Advantages: A coordinated rollout of 5-8 GWe could capture more than half of the cost reductions typically associated with larger deployments exceeding 50 GWe, demonstrating quick benefits from initial coordinated actions. If you're working in this space, these findings provide substantial encouragement to advocate for cooperative strategies.
• Increased Site Capacity Lowers Costs: Elevating the capacity of multiple units at a single site from 400 to 800 MWe can decrease projected electricity costs by about 2-8 €/MWh. Scaling up to 1,600 MWe yields even greater savings of 6-12 €/MWh due to the distribution of fixed costs. This model challenges the widely held belief that smaller-scale power plants can’t compete on price.
• Declining Cost Premia for Smaller Reactors: While smaller 100 MWe reactors initially come with a higher cost, their price premium can decrease significantly in larger coordinated deployments. So, fleet scaling helps mitigate disadvantages linked to smaller reactor capacities—this insight might change how developers approach financing.
• Financing Drives Project Economics: A reactor can generate electricity for about 63 €/MWh under low-risk finance, compared to over 150 €/MWh with higher financing costs. This reality underscores the importance of reducing investment risk through policy measures. Policymakers need to take stock of these economics to support nuclear ventures adequately.
• Industrial Coordination is Essential: Successful commercial deployment necessitates standardized designs, cross-border collaboration, and coordinated procurement processes. Such measures can foster a conducive environment for supply chain investments and cost reductions, encouraging a more vibrant nuclear market across Europe.

Future Implications of SMR Development

The study underscores that adopting a regional approach to SMR deployment, rather than treating it as a series of distinct national projects, is essential for accelerating commercialization. As countries grapple with energy security and climate change, the urgency for collaboration couldn't be higher. A focus on procurement, licensing, and workforce development is needed to create a competitive nuclear market in Europe. By coming together, nations can efficiently allocate resources, ensuring the smooth integration of SMRs into the existing energy frameworks.

Access the full study and CATF's policy brief for more insights.