Top 10 Small Modular Reactor (SMR) Designers Scaling 2026 Industrial Power

Robert Gultig

19 January 2026

Top 10 Small Modular Reactor (SMR) Designers Scaling 2026 Industrial Power

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Written by Robert Gultig

19 January 2026

Top 10 Small Modular Reactor (SMR) Designers Scaling 2026 Industrial Power

The energy landscape is rapidly evolving, and Small Modular Reactors (SMRs) are at the forefront of this transformation. With their ability to provide reliable, low-carbon energy, SMRs are poised to play a significant role in meeting the world’s energy demands. This article highlights the top 10 SMR designers that are scaling their operations to meet industrial power needs by 2026, providing valuable insights for business and finance professionals, as well as investors.

1. NuScale Power

NuScale Power is a pioneer in the SMR market, developing the NuScale Power Module (NPM), which has a capacity of 60 MW per module. The company aims to deploy its first reactor by 2026 in the United States. NuScale’s design features enhanced safety through passive safety systems, making it an attractive option for utilities looking to upgrade their power generation capabilities.

2. Rolls-Royce

Rolls-Royce has entered the SMR arena with its innovative design that promises to deliver 470 MW of electricity. The company plans to have its first operational unit by 2029, with significant investments aimed at scaling production. Rolls-Royce’s expertise in engineering and manufacturing positions it well to meet the growing demand for clean energy solutions.

3. TerraPower

Founded by Bill Gates, TerraPower is developing the Natrium reactor, which combines a sodium-cooled fast reactor with a molten salt energy storage system. This design aims to provide 345 MW of power and is expected to be operational by 2028. TerraPower focuses on advanced technologies that enhance energy efficiency and sustainability.

4. GE Hitachi Nuclear Energy

GE Hitachi is advancing its BWRX-300 design, a 300 MW boiling water reactor. The company is targeting a cost-effective solution that leverages existing technology while improving safety and efficiency. GE Hitachi aims to have the first BWRX-300 operational by 2026, appealing to markets in North America and beyond.

5. Westinghouse Electric Company

Westinghouse is developing the eVinci micro-reactor, designed to deliver up to 5 MW of power for remote and off-grid applications. The eVinci’s modular design allows for easy transportation and installation, making it a versatile solution. Westinghouse aims to have its first units operational by 2026, catering to a diverse range of energy needs.

6. X-energy

X-energy’s Xe-100 reactor design focuses on high-temperature gas-cooled technology, providing 80 MW of electrical output. The company emphasizes sustainability and aims to deploy its first reactor by 2026. X-energy is also exploring partnerships and funding opportunities to accelerate its development timeline.

7. SMR Technologies

SMR Technologies specializes in developing compact, modular reactors suitable for various applications, including industrial processes and remote locations. Their designs emphasize safety and reliability, with plans to scale operations significantly by 2026. The company aims to attract investment from both public and private sectors to facilitate growth.

8. Canadian Nuclear Laboratories (CNL)

CNL is working on the development of the Canadian Small Modular Reactor (SMR) roadmap, which includes various designs suited for the Canadian market. The organization collaborates with industry partners and government entities to promote the adoption of SMRs by 2026, focusing on innovation and regulatory compliance.

9. Advanced Reactor Concepts (ARC)

ARC is developing the ARC-100, a 100 MW sodium-cooled fast reactor that prioritizes safety and economic feasibility. The company aims to have its first reactor operational by 2026, targeting both domestic and international markets. ARC’s commitment to advanced nuclear technology is attracting interest from investors looking to support clean energy initiatives.

10. Holtec International

Holtec International is advancing the SMR-160 design, a 160 MW pressurized water reactor that aims to provide efficient and safe nuclear power. The company plans to have the first unit operational by 2026, with a focus on modular construction to reduce costs and construction timelines. Holtec is actively seeking partnerships to enhance its market reach.

Conclusion

The future of energy generation is leaning towards Small Modular Reactors, with a diverse range of designs and technologies emerging from various companies. As these top 10 SMR designers work towards operational milestones by 2026, they present unique investment opportunities for business and finance professionals. The shift towards clean energy and the demand for reliable power sources make SMRs a compelling area for investment in the coming years.

FAQ

What are Small Modular Reactors (SMRs)?

Small Modular Reactors (SMRs) are a class of nuclear reactors that are designed to be built in a factory and transported to a site for assembly. They typically produce less than 300 MW of electricity and offer enhanced safety features, flexibility, and economic advantages over traditional large reactors.

Why are investors interested in SMRs?

Investors are drawn to SMRs due to their potential for providing low-carbon energy, the growing global demand for electricity, and the increasing focus on sustainable energy solutions. SMRs also present opportunities for innovation and technological advancement in the nuclear sector.

When are the first SMRs expected to be operational?

Many SMR designs are targeting operational dates around 2026, with some companies aiming for even sooner deployment. Key players in the market are working diligently to meet these timelines.

How do SMRs contribute to energy sustainability?

SMRs contribute to energy sustainability by providing a reliable source of low-carbon electricity, reducing dependence on fossil fuels, and enabling the integration of renewable energy sources. Their modular nature allows for incremental capacity additions, aligning with evolving energy demands.

Are there any regulatory challenges for SMRs?

Yes, regulatory challenges exist for SMRs, as each design must undergo rigorous safety assessments and meet national and international standards. Companies are actively engaging with regulatory bodies to streamline the approval processes and ensure safety compliance.

Author: Robert Gultig in conjunction with ESS Research Team

Robert Gultig is a veteran Managing Director and International Trade Consultant with over 20 years of experience in global trading and market research. Robert leverages his deep industry knowledge and strategic marketing background (BBA) to provide authoritative market insights in conjunction with the ESS Research Team. If you would like to contribute articles or insights, please join our team by emailing support@essfeed.com.
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