SMRs shift from power debate to security urgency

As U.S. demand for reliable electricity surges and the grid shows vulnerabilities, Small Modular Reactors are being framed less as an energy option and more as a national security need—especially with China expanding nuclear capacity and with fuel security ris
For years, Washington energy debates sounded familiar: economics, climate, and domestic politics. Now the question is tougher and closer to the machinery of defense.
The United States is heading into a period where energy security is being treated as a core pillar of national security and military readiness—because everything from defense production to AI infrastructure leans on one basic requirement: abundant, reliable electric power.
That reliability is harder to guarantee than it used to be. The U.S. electric grid faces capacity limits and vulnerabilities ranging from cyberattacks and physical sabotage to transmission bottlenecks and extreme weather events. Intermittent energy sources. the argument goes. will not be enough by themselves to meet the scale and reliability needed to sustain the nation’s strategic position.
The target is straightforward: dependable. 24/7 baseload electricity that can keep critical infrastructure running even during natural disasters. geopolitical crises. or military conflicts. That is where Small Modular Reactors—SMRs—are being pitched as an answer that could arrive on a faster timeline than legacy power systems.
SMRs. as described here. are designed to be smaller. factory manufactured. and more flexible in deployment than traditional large-scale nuclear plants. Advocates say they can be built to support specific industrial facilities. defense installations. AI infrastructure. and remote or constrained environments where grid reliability is a constant problem.
The security pitch gets sharper when you look at how modern military operations work. Defense installations. logistics hubs. shipyards. semiconductor fabrication plants. weapons production facilities. and command and control infrastructure all depend on uninterrupted electricity. Yet many of those facilities remain tied to centralized transmission systems that are vulnerable to disruption.
One of the most strategically important ideas highlighted in the SMR push is “behind-the-meter” deployment—placing reactors adjacent to mission-critical facilities instead of relying exclusively on long-distance transmission infrastructure. Supporters say distributed advanced nuclear generation could provide secure dedicated power for defense installations. industrial corridors. AI campuses. and manufacturing hubs. while reducing dependence on grid infrastructure that could fail under cyberattacks. physical sabotage. or grid instability.
For all the focus on reactors themselves, the fuel question sits at the center of the worry. The advanced nuclear industry’s least discussed challenge is fuel availability. Several next-generation reactor concepts depend on High-Assay Low-Enriched Uranium—HALEU. In North America, HALEU lacks large-scale commercial availability, and its supply is tied in part to Russian-controlled enrichment capacity. That dependence is framed as a strategic vulnerability the United States cannot ignore.
Energy independence. the argument continues. cannot exist if critical fuel supply chains remain dependent on geopolitical competitors or unstable foreign markets. Any serious national nuclear strategy. it says. must prioritize technologies that can operate with commercially available fuel backed by secure supply chains.
The urgency is sharpened by competition. For years, advanced nuclear discussions have revolved around future concepts, demonstration projects, and theoretical deployment timelines. But the same piece stresses that the strategic competitors are moving now. It points to China’s expansion of nuclear capacity both domestically and internationally as part of a broader geopolitical strategy tied to industrial influence and infrastructure dominance.
The U.S. Department of Energy is cited for a specific timeline: from 2014 to 2023, China increased installed net nuclear capacity almost three times. The piece also references Beijing’s plan to export 30 nuclear reactors by 2030 to countries participating in the Belt and Road Initiative.
Within that pressure. the article makes a clear claim about which SMR technology can be deployed first in the United States. It says NuScale Power is the only SMR developer with full U.S. Nuclear Regulatory Commission standard design approval under the modern Part 52 licensing framework. It also calls NuScale the only company currently positioned with a commercially deployable, regulator-approved SMR technology transitioning to manufacturing.
The reasoning is practical: licensing is portrayed as the hurdle that will determine which technologies actually get deployed in the next decade. The piece contrasts NuScale’s position with other named SMR and Generation IV companies—Westinghouse. Oklo. TerraPower. and X-Energy—stating that many of them are years away from NRC approval. rely on unproven fuel supply chains. or remain within demonstration programs without commercially deployable designs. It adds that many experts acknowledge multiple competing technologies may not achieve meaningful commercial deployment for another decade or longer.
The push for movement from theory to hardware is illustrated through a specific collaboration. The piece points to a recent collaboration involving the Tennessee Valley Authority, ENTRA1 Energy, and NuScale, describing it as important because it signals a shift from discussion to deployment.
The proposed initiative is described as potentially involving up to six gigawatts of SMR capacity. The message. as laid out in the reporting. is that policymakers are being pushed to confront deployment timelines—because the country does not have the luxury of waiting another decade for energy technologies trapped in prolonged licensing processes. uncertain fuel pathways. or unresolved manufacturing challenges.
The article is clear that this is not framed as an argument for abandoning other energy sources. It is framed as a case for recognizing advanced nuclear power as an essential component of America’s long-term energy resilience strategy alongside fossil fuels and renewables.
Then comes the larger claim tying everything back to national security: the debate over SMRs should not be treated as only an energy issue. It is presented as a question of whether the United States can maintain military readiness. secure critical infrastructure. support advanced manufacturing. power the AI revolution. and preserve geopolitical leadership in an increasingly unstable world.
In that telling, energy dominance is no longer just economic policy. It is positioned as national defense policy. And Small Modular Reactors are offered as a way for America to maintain strategic advantage.
By James Durso via RealClearDefense.com
Small Modular Reactors SMRs national security U.S. electric grid HALEU NRC Part 52 NuScale Power Tennessee Valley Authority ENTRA1 Energy China nuclear capacity Belt and Road Initiative