Hira Bashir
The world is shifting toward cleaner energy but the main problem is not effort it is finding energy that is reliable, affordable, and low in carbon .Energy demand is growing day by day. The most of power comes from fossil fuels. The option of renewable energy is also there but its supply is intermittent and weak grids make it hard for industries to grow. Many regions have electricity grids that are weak, old, or not very well maintained. A power grid is like the network of wires, transformers, and substations that delivers electricity from power plants to homes and factories. If the grid is weak, it cannot easily handle sudden changes in electricity supply, such as when the sun goes behind clouds or the wind stops blowing
Large nuclear plants provide low-carbon, steady power but they are expensive and also take years to build. Political factor also play a role in delays for building reactor. As a result countries face a clear challenge: how can electricity be affordable, reliable, and low in carbon without overloading fragile grids or budgets?
This is where Small Modular Reactors (SMRs) offer a new approach to energy realism. SMRs are smaller, modular nuclear plants that can be built gradually and connected to grids in a flexible way. They provide steady, low-carbon electricity and process heat for industry, but at lower cost and lower risk than large nuclear plants
In this sense, SMRs represent a practical, realistic solution for countries balancing climate goals, industrial growth, and energy security combining the ambition of clean energy with the realism of technical and financial constraints..
Interest in SMRs is growing globally. Over 80 designs are in development across 18 countries. In the United States, NuScale’s VOYGR SMR has been certified and Generation IV SMRs designs are progressing. Russia has deployed the SMR Akademik Lomonosov that can even work in remote areas. China is progressing with HTR-PM and ACP100 reactors. Canada and the U.K. are integrating SMRs into strategies for remote communities and fleet renewal. France views modular reactors as part of its long-term energy sovereignty strategy
SMRs are not only a source of electricity but also a tool for industrial and environmental strategy. They produce not only electricity but also high-temperature heat, which many industries need to operate efficiently. For example in the steel industry, traditional blast furnaces use coal to generate heat which produces a lot of carbon emissions. SMRs can replace this by providing clean heat and electricity to produce hydrogen which can then be used to make “green steel” without coal. In chemical factories, SMRs can supply constant heat needed for making products like ammonia and fertilizers.
This reduces the need to burn natural gas which is commonly used SMRs also use much less land compared to solar farms that produce the same amount of electricity. This is important because solar panels need a lot of space to generate enough power, while a single SMR can produce the same electricity on a much smaller area. Because of this, SMRs can be built close to factories, industrial zones, or cities where space is limited Developing countries face bigger problems
SMRs face several challenges that need careful attention. First regulations were originally designed for large nuclear reactors not modular systems. This means that licensing procedures, safety reviews, and technical standards often do not fit the smaller, factory-built nature of SMRs. Adapting these rules is necessary to allow SMRs to be approved efficiently without compromising safety.
Second, upfront costs remain high. Even though SMRs are cheaper than traditional nuclear plants, building the first units requires significant capital investment. This can be a barrier for developing countries or private investors who are unsure of the financial returns. Step-by-step deployment and government support can help overcome this financial hurdle.
Third, public perception and skepticism pose a challenge. Many communities associate nuclear energy with accidents or radioactive waste. Without clear accessible information about SMR safety, reliability, and environmental benefits, public opposition could slow projects. Outreach programs, transparent reporting, and involvement of local stakeholders are key to building trust.
Fourth, managing nuclear waste requires strong transparency and planning. Even though SMRs produce less waste than large reactors long-lived radioactive materials still need secure handling and disposal. Clear policies and oversight, as well as adherence to international safety standards are required prevent risks and maintain public confidence.
Addressing these challenges requires a coordinated approach. Clear policies can guide developers and regulators, while simplified licensing processes can reduce delays. International cooperation helps share best practices and avoid duplicating safety reviews. Strong supply chains ensure components and fuel are available on time, preventing project delays.
The author is an Associate Research Officer at the Center for International Strategic Studies, Azad Jammu & Kashmir. Her research focuses on the peaceful uses of nuclear technology. She can be reached on X at @HiraBK5090 and on Linkedln Hira Bashir
