By
Daniel Mercer
President, Council on Critical Infrastructure
April 23, 2026
Nuclear energy is experiencing a reassessment of strategic importance that would have seemed unlikely a decade ago. Driven by decarbonization commitments, the demonstrated fragility of fossil fuel supply chains, and the growing recognition that baseload power capacity is essential to a stable grid, governments and private sector investors across North America, Europe, and Asia are revisiting nuclear power with renewed seriousness. For energy executives, infrastructure operators, and policymakers, understanding the strategic dimensions of this shift is increasingly relevant regardless of whether their organizations are directly involved in nuclear generation.
The Baseload Imperative
The expansion of intermittent renewable generation has clarified a fundamental requirement of reliable grid operations: dispatchable baseload power. Wind and solar generation, despite their rapid cost reduction and deployment growth, cannot by themselves provide the consistent, on-demand power output that industrial consumers, hospitals, data centers, and military installations require at all hours and in all weather conditions.
Nuclear generation provides carbon-free baseload power at a scale that no other clean energy source currently matches. This characteristic has elevated its strategic relevance in energy planning discussions that previously treated nuclear as a legacy technology in managed decline.
Advanced Reactor Technology and the Commercialization Question
The current nuclear reassessment is being driven in part by the development of advanced reactor designs, including small modular reactors, that differ significantly from the large-scale light water reactors that define most of the existing global fleet. Small modular reactors offer potential advantages in construction cost, deployment flexibility, and siting options that could make nuclear generation accessible to a broader range of operators and locations.
The commercialization of these technologies is not yet complete, and the gap between engineering promise and operational deployment remains significant. Executive leadership evaluating nuclear as part of long-term energy strategy should maintain a clear distinction between demonstrated capability and anticipated capability.
Supply Chain and Fuel Security Considerations
Nuclear fuel supply chains carry their own geopolitical exposure. Uranium enrichment capacity is concentrated in a small number of countries, and the transition away from Russian-enriched uranium, which supplied a significant share of Western reactor fuel, is a medium-term industrial challenge that the sector is actively navigating.
For energy executives, understanding nuclear fuel supply chain risk is relevant both for organizations operating nuclear assets and for those evaluating nuclear as part of a diversified energy portfolio. Fuel supply security is an operational variable, not merely a procurement matter.
The Workforce and Regulatory Environment
Nuclear generation requires specialized technical expertise that takes years to develop and that has atrophied in some markets during the period of reduced investment in new nuclear capacity. Rebuilding this workforce pipeline is a long-lead-time investment. Regulatory environments, while improving in some jurisdictions, continue to create licensing timelines that do not align well with the urgency of energy security requirements.
Leaders who engage with nuclear as part of their energy security strategy should plan around these constraints with clear-eyed realism rather than optimistic timelines.
