Published: August 17, 2026

The Last U.S. Nuclear Boom Applied to Build 26 Reactors and Finished 2. NuScale Carries a $4 Billion Market Value on $10.7 Million of Sales.

As zero-carbon power demand surges across the United States, investors are once again pouring capital into the nuclear energy sector. Driven by the massive electricity requirements of artificial intelligence, hyperscale data centers, and corporate clean energy mandates, Wall Street has bid up nuclear equities to multi-year highs. However, this renewed market enthusiasm faces a sobering historical precedent: the last major U.S. nuclear expansion wave resulted in only a fraction of proposed projects reaching completion. Today, astronomical market valuations for early-stage companies are renewing debate over whether Wall Street expectations have once again outpaced real-world energy execution.

Quick Facts

• Historical Track Record: During the previous U.S. nuclear expansion wave, energy developers applied to build 26 reactors, but only two were ultimately completed—a 13-to-1 ratio of proposed to finished plants.
• Valuation Disconnect: Small modular reactor (SMR) developer NuScale Power holds a market valuation near $4 billion despite generating just $10.7 million in sales.
• Upstream Positioning: Established industry suppliers like uranium producer Cameco are emerging as key beneficiaries of the growing demand for zero-carbon baseload energy.
• Demand Drivers: Exponential load growth from artificial intelligence infrastructure and industrial electrification is driving the push for reliable, 24/7 carbon-free electricity.

What Happened

The financial markets surrounding nuclear power have decoupled significantly from current operational metrics. Investors eager to capture exposure to the next generation of zero-emission energy have inflated public valuations for emerging tech providers. NuScale Power, a leading developer of small modular reactors, has become a focal point of this trend, commanding a market valuation of approximately $4 billion against trailing revenues of only $10.7 million. While market enthusiasm highlights strong long-term interest in SMR technology, it also underscores a massive speculative premium placed on companies that have yet to deploy commercial units at scale.

Key Details

A look back at the previous attempt to build out American nuclear capacity illustrates why industry veterans urge caution. In the late 2000s, a similar surge in excitement led power utilities to submit applications to the Nuclear Regulatory Commission for 26 new reactors across the country. However, escalating construction costs, lengthy regulatory delays, and the sudden emergence of cheap natural gas crippled the momentum. Out of those 26 proposed reactors, 24 were canceled or abandoned, leaving Georgia’s Vogtle Units 3 and 4 as the sole survivors. That 13-to-1 ratio highlights the immense historical gap between initial regulatory filings and operational power generation.

Background

Despite past stumbles, the underlying structural drivers for nuclear energy are stronger today than during the previous cycle. Intermittent renewables like wind and solar cannot single-handedly supply the continuous, high-density baseload power required by modern data processing facilities and heavy industry. Consequently, nuclear energy has re-emerged as a vital strategic asset for meeting aggressive corporate and state-level carbon targets. This macro shift has brightened the outlook for core supply chain players like Cameco, which provides the essential uranium fuel and processing services needed to power both existing reactors and future deployments.

📚 Sources & Attribution

• The Motley Fool
• MoneyWeek
• Ethereum Blog
• MarketWatch
• The Hill