Top 10 Small Modular Reactor (SMR) Stocks Gaining 2026 Regulatory Approval

Robert Gultig

19 January 2026

Top 10 Small Modular Reactor (SMR) Stocks Gaining 2026 Regulatory Approval

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Written by Robert Gultig

19 January 2026

Top 10 Small Modular Reactor (SMR) Stocks Gaining 2026 Regulatory Approval

The future of nuclear energy is poised for a significant transformation with the advent of Small Modular Reactors (SMRs). These innovative nuclear reactors are designed to be more efficient, safer, and more adaptable than traditional large-scale reactors. As governments worldwide push for cleaner energy solutions and the reduction of carbon emissions, SMRs are gaining traction. This article explores ten promising SMR stocks that are expected to receive regulatory approval by 2026, making them attractive options for business and finance professionals and investors.

1. NuScale Power Corp. (SMR)

NuScale Power is at the forefront of SMR technology with its innovative NuScale Power Module. The company has submitted its design certification application to the U.S. Nuclear Regulatory Commission (NRC), which is expected to approve it by 2026. With a focus on safety and simplicity, NuScale’s SMRs are designed to be scalable and flexible, making them suitable for various applications, including grid support and industrial processes.

2. TerraPower

Backed by prominent investors, including Bill Gates, TerraPower is developing the Natrium reactor, a sodium-cooled fast reactor that integrates energy storage capabilities. The company is working closely with regulators to ensure compliance and aims for operational readiness by 2026. TerraPower’s innovative approach positions it as a leader in the next generation of nuclear technology.

3. Westinghouse Electric Company

Westinghouse is a well-established player in the nuclear industry, and its eVinci micro-reactor project is an exciting development in the SMR space. The company is working towards regulatory approval for its eVinci design, which is aimed at providing off-grid energy solutions. With decades of experience, Westinghouse is well-positioned to navigate the regulatory landscape.

4. General Electric (GE) Hitachi Nuclear Energy

GE Hitachi’s BWRX-300 is a leading SMR design that utilizes boiling water reactor technology. The company is actively pursuing regulatory approval and aims to make its reactor commercially available by 2026. GE Hitachi’s strong reputation and extensive industry experience make it a compelling investment for those interested in nuclear technology.

5. Holtec International

Holtec International is known for its advanced nuclear technology, including the SMR-160 design. The company is in the process of seeking approval from the NRC and has already garnered interest from various utilities. Holtec’s focus on safety and efficiency makes it a strong contender in the SMR market.

6. Rolls-Royce Holdings

Rolls-Royce is developing a series of modular reactors designed for the UK market and beyond. Their SMR program is gaining momentum, with plans to submit applications for regulatory approval by 2026. With a strong engineering pedigree, Rolls-Royce is well-equipped to lead in the SMR sector.

7. X-energy

X-energy is developing the Xe-100 reactor, a high-temperature gas-cooled reactor designed for various applications. The company is working toward regulatory approval and has already secured funding to support its development. X-energy’s innovative design and commitment to sustainability make it an attractive investment opportunity.

8. BWX Technologies

BWX Technologies is focused on developing the mPower SMR, which is designed to provide reliable, low-emission energy. The company is actively engaging with regulatory bodies to ensure a smooth approval process by 2026. BWX’s expertise in nuclear technology positions it as a key player in the SMR market.

9. FirstEnergy Corp.

FirstEnergy is exploring the integration of SMRs into its energy portfolio. With a focus on transitioning to cleaner energy sources, the company is closely monitoring regulatory developments and plans to invest in SMR technology as it becomes commercially viable. FirstEnergy’s commitment to sustainability makes it a noteworthy investment.

10. Energy Northwest

Energy Northwest is leading the charge in the Pacific Northwest for SMR development. The organization is collaborating with various stakeholders to bring SMR technology to the region and is focused on obtaining regulatory approval by 2026. Their proactive approach to energy diversification positions them as an important player in the SMR landscape.

Conclusion

As the global energy landscape evolves, Small Modular Reactors present a promising solution for sustainable power generation. The stocks listed above represent companies that are well-positioned to gain regulatory approval by 2026, making them compelling options for investors looking to participate in the nuclear energy renaissance. With increasing support from governments and advancements in technology, the future of SMRs looks bright.

FAQ

What are Small Modular Reactors (SMRs)?

SMRs are nuclear reactors that are smaller and more modular than traditional reactors, designed to be built in factories and transported to sites for assembly. They offer enhanced safety features and can be deployed in various locations.

Why are SMRs gaining popularity?

SMRs are gaining popularity due to their safety, lower upfront capital costs, and flexibility in deployment. They can provide reliable energy while supporting the transition to a low-carbon economy.

What is the expected timeline for SMR regulatory approvals?

Many companies are targeting regulatory approvals by 2026, though timelines may vary based on the specific designs and the regulatory processes in different countries.

How can investors participate in the SMR market?

Investors can participate in the SMR market by purchasing stocks of companies actively developing SMR technologies, as highlighted in this article, or by investing in mutual funds or ETFs focusing on renewable energy and nuclear technology.

What are the challenges facing SMR development?

Challenges facing SMR development include regulatory hurdles, public perception of nuclear energy, financing, and the need for skilled labor to support construction and operation.

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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