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New Studies Indicate That Small Modular Nuclear Reactors May Be Key to Achieving Zero Emission Targets.
A recent survey from the Financial Times points to a growing trend in the nuclear energy sector: Small Modular Reactors (SMRs). These smaller-scale reactors are attracting interest from governments around the world, especially those looking to increase atomic energy production to meet their zero emission targets.
Small Modular Nuclear Reactors
Proponents of SMRs argue that they are safer, cost-effective, quick, and easy to build compared to traditional large nuclear plants. Manufactured in controlled factory environments, the standardized designs of these reactors promise to be cheaper to mass-produce, facilitating the procurement of spare parts or expansions.
One of the major attractions of SMRs is the possibility of being transported and installed in remote locations, where energy-intensive and hard-to-decarbonize industries, such as mining or desalination plants, are located. Their compact designs eliminate the need for large water sources for cooling, unlike large nuclear plants, as noted in the article from Igui Ecologia.
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With 39 years of halted construction and R$1 billion draining annually without generating a single watt, Angra 3 has become a ticking time bomb for Eletronuclear — while China put 20 new reactors into operation in the same period.
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The United States spent US$ 15 billion to excavate 8 km of tunnels inside a mountain in the Nevada desert — the world’s safest nuclear waste repository was ready, but never received a single barrel of waste.
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China has just commissioned the world’s first commercial mini-nuclear reactor — it is only 14 meters tall, generates energy for 526,000 homes, and prevents 880,000 tons of CO₂ per year.
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South Korea held plasma at 100 million degrees for 102 seconds inside a nuclear fusion reactor — more than double the previous record and the most concrete step taken towards endless clean energy.
Small-Scale Mobile Reactors Have Been Used for Decades to Power Military Vessels
However, only recently have companies like Rolls-Royce, Westinghouse, and GE Hitachi started to develop SMR designs for commercial electricity generation on land. To date, no land-based commercial SMR is connected to the power grid, although a Russian floating SMR is already providing electricity and heat to a remote region in the Arctic.
One of the main challenges for wider adoption of SMRs is cost. Nuclear energy, per kilowatt-hour, is considered the most expensive, surpassing even solar, wind, and in some cases, coal. Concerns about safety and the disposal of nuclear waste remain critical issues.
However, for SMR companies and the investors who support them, the global demand for emission-free energy could mean that efficient, smaller solutions are on the horizon. SMRs may not be the definitive solution, but they represent a promising step in the quest for cleaner and more sustainable energy sources.
The Financial Times survey highlights a crucial moment in the history of nuclear energy. With the world clamoring for clean and sustainable energy solutions, Small Modular Nuclear Reactors may be a key piece to achieving a zero-emission future. Although they still face significant challenges, particularly in terms of cost and safety, SMRs represent a promising innovation in the field of nuclear energy.
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