Fission energy based on small modular reactors (SMR) is the great promise to complement renewables in the energy transition. But the failure of the first pilot project in the United States has highlighted the economic challenges that could stop its development.
The advantages of SMR. With nuclear fusion energy in diapers, the promise of a safer, cheap and efficient fission nuclear excites political leaders and technological equally.
SMRs have clear benefits regarding conventional fission reactors: they are Compact unitsdesigned to be manufactured in series; Therefore, in theory, they can be transported and assembled rapidly, adapting to different locations to integrate into the electricity grid together with intermittent sources, such as solar panels and wind turbines.
The Nuscale case. With their compact size and modular design, SMRs should considerably reduce the cost and construction times of large nuclear reactors. However, reality proved to be more complicated For the first pilot project in the United States.
The Nuscale project, developed by the Nuscale Power company for small Utah communities, was canceled at the end of 2023, when it was supposed to be inaugurated, due to its crazy cost overruns. It had been projected in 2015 with 12 reactors capable of generating 600 MW of power for 3,000 million dollars. By 2023, The planned capacity of the plant had been reduced to 462 MW and the estimated project costs had climbed up to 9.3 billion dollars. He became unfeasible.
A scale problem. Despite their modular nature and the aspiration to produce them in series, SMRs are an emerging technology that does not have the advantages of the scale economy, as renewables do. A German report He revealed that SMRs remain the most expensive option against renewable technologies, whose costs continue to decrease
This already happened with conventional nuclear energy. A 2014 study He revealed that 180 nuclear projects analyzed, 175 had exceeded their initial budget with an average overrun of 117%. The SMR can be expected, at least initially, also raise the cost per megavatio compared to other more settled options.
Many interested. Despite these financial challenges,
The industry sees potential in SMR. Giants like Google, Microsoft and Amazon They have announced agreements to acquire energy from future projects of modular reactors of companies such as Kairos Power and X-Energy.
These investments, driven by the energy consumption of artificial intelligence, could provide the financial impulse that the industry needs to solve long -term economic problems, with the expectation that costs decrease as more projects are built.
Image | Nuscale Power
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