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What is an SMR?

Rendering of a NuScale Power Module.

Introduction


In the quest for clean, reliable energy, a new type of nuclear technology is making waves — small modular reactors or SMRs. These compact powerhouses promise to revolutionize the way we think about nuclear energy, offering potential solutions to some of the challenges faced by traditional nuclear reactors.


Exploring the World of Small Modular Reactors


A small modular reactor is a type of nuclear fission reactor that is smaller in size than a traditional nuclear reactor. These compact reactors are manufactured at a factory and brought to a site to be fully constructed. Modular refers to the multi-module design which provides benefits such as scaling and non-interruptive refueling. Their small size and modular nature also allow for less upfront capital costs, making them a more affordable option for utilities or countries looking to invest in nuclear energy. SMRs are designed with advanced safety features and are seen as a promising technology for future nuclear power generation.

Some may wonder, "Are SMRs more than just a concept?" The answer is a resounding yes. Although SMRs are a relatively new technology, they have made significant strides in recent years.


SMRs vs. Traditional Nuclear Reactors


Small modular reactors are like the smart, compact cousins of traditional nuclear power plants. At their core, SMRs work the same way as traditional nuclear reactors. However, SMRs have some unique features. For example, many designs, including NuScale’s design, use passive safety systems, which automatically turn on without the need for human intervention or electricity.


Overcoming Challenges for Success


Despite the potential for SMRs to lead to a nuclear renaissance, several commercialization challenges exist. One significant obstacle is the stringent regulatory environment, which is crucial for ensuring safety, but can slow the approval and deployment of new nuclear technologies. The licensing process for nuclear reactors in the United States is complex and time-intensive, requiring extensive safety analyses and environmental impact studies that affect project timelines and cost structures.

Additionally, potential customers of nuclear power plants, including utilities and industrial companies, are increasingly hesitant to take the risk of building and owning a nuclear plant. This reluctance stems from the substantial initial capital outlay, the complexity of nuclear technology, and the long-term commitments required for operation and maintenance. The perceived risks, coupled with the possibility of public opposition, further dissuade many from investing in nuclear energy despite its benefits.

At NuScale Power, we are committed to addressing industry challenges head on. Our close collaboration with the U.S. Nuclear Regulatory Commission (NRC) has positioned us as the market's only NRC-certified SMR. Moreover, our partnership with ENTRA1 Energy introduces a pioneering one-stop shop business model for potential nuclear power clients. ENTRA1 Energy develops, finances, owns, and operates energy production facilities powered by NuScale's advanced technology. This innovative approach allows potential clients, including data centers, utilities, and hydrogen production plants, to access reliable power solutions without the complexities of developing or owning a nuclear facility.


The NuScale Power Module™


Our NuScale Power Module stands out as a prime example of SMR technology. What sets the module apart from the competition is its unique design and the following key features:

Cross section of Nuscale Power Module.

Certified by the Nuclear Regulatory Authority: Our module’s design holds the distinction of being the only SMR design that has received the green light from the NRC. This is no small feat. It signifies that our design has undergone rigorous testing and scrutiny to meet the highest safety standards. Notably, we stand alone in this achievement - no other entity has yet managed to submit a successful application. This endorsement provides a reassuring testament to our commitment towards safety and excellence in the realm of nuclear power.

Innovative Emergency Planning Zone (EPZ) Strategy: We've engineered an innovative method to determine the size of the Emergency Planning Zone (EPZ), an area designed for protective action during a nuclear incident. In practical terms, this means most locations in the U.S. where our SMR could be situated would have an EPZ extending only to the plant's boundaries, rather than into surrounding communities. This is a significant advancement for nuclear power plant safety and reducing potential disruption in the unlikely event of an incident.

Self-Sustaining Power Supply: Our SMR has been approved by the Nuclear Regulatory Commission to operate independently, without the need for emergency backup power. This means that in the event of a power outage or similar situation, the plant can continue to operate safely and efficiently on its own. This is crucial in ensuring a consistent energy supply, enhancing the reliability of our plant, and serving as a testament to our commitment to safety and stability in energy production.

A NuScale powered SMR can be operational within just 36 months from the first pour of safety concrete, providing a swift solution for energy requirements. Our plants are not just for one type of customer. They are built with a broad range of clients in mind, from governments looking to secure a reliable energy future for their nations to utilities striving to provide safe, clean, and efficient power to their customers. At NuScale, we believe in creating versatile energy solutions that can be tailored to fit the unique requirements of each customer, contributing to a more sustainable and resilient energy landscape.


Conclusion


SMRs represent a significant leap forward in nuclear technology. Their smaller size, modular design, and advanced safety features make them a compelling alternative to traditional nuclear reactors. However, like any emerging technology, they face commercialization challenges and regulatory hurdles. Despite these challenges, the potential of SMRs is enormous. They offer a pathway to a cleaner, more resilient energy future, capable of powering everything from small towns to large industrial facilities. As we continue to explore and develop this innovative technology, the future of SMRs looks brighter than ever.

Learn More

VOYGR™ Plants

Discover the future of nuclear power with our VOYGR SMR plant. Our innovative, compact plants, are approved by the U.S. Nuclear Regulatory Commission and offer efficient, carbon-free energy solutions for a variety of applications, from electrical generation to desalination.

Projects

We are revolutionizing the global energy market with our Small Modular Reactor (SMR) technology. Our VOYGR-12 plant, capable of generating 924 MWe on just 0.11 square miles, offers scalable and flexible solutions for replacing retiring coal plants and supplementing renewable energy sources. Dive into our worldwide initiatives today.