The race to power artificial intelligence is accelerating beyond traditional nuclear reactors toward smaller, factory-built systems paired with cutting-edge fuel technology, even as investor confidence in small modular reactor stocks remains shaky. A strategic partnership between AMPERA and Lawrence Livermore National Laboratory to scale advanced nuclear fuel production, combined with sharply diverging performance between SMR competitors Oklo and NuScale Power, reveals a market in critical transition. While both companies' stocks have fallen significantly in 2026, analysts project substantial recovery potential as these firms move toward commercialization.

Why Are AI Data Centers Driving Nuclear Innovation?

U.S. data centers consumed between 177 and 192 terawatt-hours of electricity in 2024, representing roughly 4 to 5 percent of all U.S. electricity consumption. That figure is projected to climb to between 9 and 17 percent by 2030, according to the Electric Power Research Institute (EPRI). Traditional large nuclear reactors, which take years to build and require massive upfront capital, cannot scale fast enough to meet this demand. Small modular reactors and advanced fuel systems designed to be factory-built, deployed quickly, and optimized for distributed power generation represent a fundamentally different approach to the energy problem.

The global SMR market was valued at just $6.5 billion in 2025, but analysts expect rapid expansion as commercialization accelerates. The Department of Energy highlights several advantages of SMRs over conventional reactors, including placement flexibility, greater scalability, and enhanced safety features. However, neither of the two leading publicly traded SMR companies has yet begun commercial operations, making their stock prices volatile and their long-term success dependent on execution.

How Are Companies Building the Nuclear Supply Chain for AI?

• Oklo's Vertical Integration: Oklo is establishing a fully integrated business model covering fuel fabrication, power generation, heat sales, and fuel recycling, creating a closed loop for consistent revenue and reduced supply-chain risk.
• AMPERA's Advanced Fuel Partnership: AMPERA partnered with Lawrence Livermore National Laboratory to scale production of Tri-Structural Isotropic (TRISO) fuel using liquid-metal-jetting technology, designed to produce uniform, spherical thorium-232 kernels for advanced reactors.
• Long-Term Power Contracts: Oklo secured a deal with Meta Platforms that allows the tech giant to prepay for power and provide funding for its reactor project in Ohio, expected to be operational by 2030 and reach full capacity by 2034.

AMPERA's partnership with Lawrence Livermore represents a critical shift in how advanced nuclear fuel is being developed. The collaboration aims to establish a scalable domestic supply chain for advanced nuclear fuel, addressing a persistent bottleneck in nuclear expansion.

"Public-private projects like this show the value of connecting LLNL's world-class research capabilities with industry partners who have a clear technology need and sharp commercial focus," said Dr. Viktor Sukhotskiy, Research Engineer and Principal Investigator at Lawrence Livermore National Laboratory. "Working with AMPERA gives us the opportunity to apply joint expertise to a challenging nuclear fuel problem, while also continuing to mature liquid metal jetting as an advanced manufacturing technology."

Dr. Viktor Sukhotskiy, Research Engineer and Principal Investigator, Lawrence Livermore National Laboratory

AMPERA's approach combines advanced manufacturing with next-generation neutron technologies. The company is developing a subcritical micronuclear reactor platform, which differs fundamentally from conventional reactors. Subcritical systems rely on an external neutron source to initiate and sustain operation, creating an additional layer of operational control while enabling innovative fuel-cycle approaches. On July 1, AMPERA unveiled what it claims is the first full-scale, additively manufactured demonstration module of its nuclear core architecture, a spherical, monolithic gyroid structure 3D printed in silicon carbide.

Which SMR Company Has the Stronger Market Position?

Oklo and NuScale Power represent two distinct strategic approaches to the SMR market, and their diverging stock performance reflects different investor confidence levels. Oklo, with a market capitalization of $7.4 billion as of early September 2026, has positioned itself as a vertically integrated energy company. NuScale, valued at $4.0 billion, operates more as an equipment and technology provider, manufacturing reactors for utilities and other operators to deploy.

Oklo's vertical integration model concentrates both opportunity and risk in a single company. By controlling fuel fabrication, power generation, and fuel recycling, Oklo can generate more reliable revenue streams by selling power and heat directly to customers like Meta. However, this approach also concentrates execution risk and capital requirements in a company with no operating history. The company maintains stronger cash reserves, with $3 billion in cash, cash equivalents, and marketable securities as of the end of the second quarter of 2026, compared to NuScale's $1.9 billion.

Both companies have experienced significant stock price declines in 2026. Oklo shares are down 45 percent year-to-date, while NuScale is down 37 percent. However, analyst sentiment remains cautiously optimistic. The median one-year price target for Oklo among 21 analysts covering the stock is $80 per share, representing a potential 97 percent gain from the August 31 closing price of $40.57. While analysts project potential gains, neither company has begun commercial operations, and execution risks remain substantial.

What's the Timeline for Commercial Deployment?

The path from prototype to commercial operation remains uncertain, but timelines are becoming more concrete. Oklo's Meta-funded reactor in Ohio is expected to begin operations by 2030 and reach full power capacity by 2034. AMPERA's subcritical reactor platform is designed to provide up to 30 years of operation without refueling, a significant advantage for data center operators seeking long-term power stability.

Beyond SMRs, fusion energy companies are also advancing toward commercialization. Helion Energy's Polaris prototype achieved a plasma temperature of 150 million degrees Celsius in January 2026 using deuterium-tritium fuel, breaking the company's previous record of 100 million degrees Celsius. Helion is tentatively committed to bringing a 50 megawatt power plant online by 2028, supported by a power purchase agreement with Microsoft announced in 2023. Inertia Enterprises, a fusion startup founded in August 2025 by members of the Lawrence Livermore National Laboratory team that achieved fusion ignition in 2022, raised $450 million in Series A funding led by Bessemer Venture Partners.

The convergence of advanced fuel development, vertical integration strategies, and multiple competing reactor designs suggests that the nuclear-AI energy nexus is moving from theoretical solutions toward concrete infrastructure. For data center operators and AI companies facing mounting electricity demands, the next three to five years will be critical in determining whether nuclear power can deliver at the scale and speed required.