The Nuclear Five: CEG, VST, NNE, SMR, and DNN as AI Power Plays

In our previous piece, The Death of the "Green Only" Era, we made the case that Compute = Power and that the real AI alpha in 2026 might be found in the utility sector. Readers asked for names. Here are five, ranging from blue-chip baseload giants to high-risk, high-reward uranium developers — each with a distinct role in the nuclear revival thesis.

CEG — Constellation Energy: The Blue-Chip Baseload King

Constellation Energy (NASDAQ: CEG) is the largest operator of nuclear power plants in the United States, running 21 reactors across 12 sites. It is the most direct, lowest-risk way to own the AI power trade. The company has already signed a landmark Power Purchase Agreement with Microsoft to restart the Three Mile Island Unit 1 reactor — a deal that sent shockwaves through the energy sector and validated the entire thesis in a single headline.

As of late March 2026, CEG trades around $195, well off its October 2025 peak near $403. That pullback has created a re-entry window that analysts at TD Cowen and JPMorgan are pointing to, with consensus price targets clustering in the $408–$454 range. The bull case is simple: Constellation owns irreplaceable, already-permitted, already-built nuclear capacity at a time when new capacity takes 10–15 years to permit and construct. You cannot replicate this moat. For investors who want nuclear exposure without speculative risk, CEG is the anchor position.

VST — Vistra Corp: The Hybrid Powerhouse

Vistra Corp (NYSE: VST) is the second-largest competitive power generator in the country, with a portfolio that blends nuclear, natural gas, and battery storage. Where Constellation is pure nuclear, Vistra is the full-stack energy play — it can sell power into the grid at spot prices during demand spikes and hedge with long-term data center PPAs. That flexibility is increasingly valuable as grid operators struggle to balance intermittent renewable supply against AI-driven baseload demand.

VST has climbed approximately 45% over the trailing twelve months as of March 2026, and Morgan Stanley recently reiterated a bullish stance on the name, citing data-center-linked nuclear contracts and a reaffirmed 2026 outlook. BMO Capital raised its price target to $241, maintaining an Outperform rating. The stock trades around $170, giving it meaningful upside to consensus. Vistra is the trade for investors who want nuclear exposure with an earnings engine that does not depend entirely on new reactor deals.

NNE — Nano Nuclear Energy: The Long-Duration Moonshot

NANO Nuclear Energy (NASDAQ: NNE) is developing micro modular reactors — compact, portable nuclear units designed to power remote data centers, military installations, and off-grid industrial sites. The company recently signed a Memorandum of Understanding with EHC Investment to advance micro modular reactor deployment in the UAE, signaling that the addressable market extends well beyond U.S. borders.

NNE is pre-revenue and carries significant execution risk. The Zacks consensus estimate pegs the 2026 bottom line at a loss of $1.40 per share, and the one-year total shareholder return has been negative as enthusiasm has cooled from the 2024 peak. This is not a value stock — it is a call option on a technology that does not yet exist at commercial scale. Position sizing matters here. For investors with a 3–5 year horizon and a tolerance for volatility, NNE represents the highest-upside, highest-risk name in the nuclear basket.

SMR — NuScale Power: The SMR Pioneer Under Pressure

NuScale Power (NYSE: SMR) was the first Small Modular Reactor design to receive NRC design approval in the United States, making it the standard-bearer for the SMR category. The company has ongoing work in Romania on the Doicesti SMR project and continues to pursue utility partnerships globally. Hedge fund holdings in NuScale jumped from 18 in Q3 2024 to 32 in Q4 2025, a sign that institutional money is accumulating the name.

That said, SMR has been under significant pressure in 2026, down roughly 43% from its November 2025 levels due to project delays and the cancellation of a major Idaho utility contract in late 2023 that still weighs on sentiment. The stock trades near $11.46. The bull case rests on the international pipeline and the reality that NuScale's design approval gives it a multi-year regulatory head start over every competitor. If a major tech company signs a direct SMR deal, this stock moves violently to the upside. It is a high-conviction, high-patience trade.

DNN — Denison Mines: The Uranium Upstream Play

Denison Mines (NYSE American: DNN) is where the nuclear thesis gets interesting for investors who want to go further up the supply chain. You cannot run reactors without uranium, and Denison owns one of the most strategically positioned uranium assets in the world: the Wheeler River project in Saskatchewan's Athabasca Basin, which hosts both the Phoenix and Gryphon deposits.

In February 2026, Denison's board approved the Final Investment Decision to construct the Phoenix In-Situ Recovery uranium mine, with site preparation beginning in March 2026. This is the catalyst the stock has been building toward for years. ISR mining is lower-cost and lower-environmental-impact than conventional uranium mining, and Phoenix is expected to be one of the highest-grade ISR uranium operations globally. Five analysts currently rate DNN a Buy with a consensus price target of $5.38 — against a recent trading price near $4.01. TD Securities forecasts strong price appreciation, and investor sentiment has turned notably bullish following the FID announcement.

The DNN thesis is straightforward: more reactors require more uranium. As CEG restarts Three Mile Island, as Meta signs 6 gigawatts of nuclear PPAs, and as SMR deployments eventually come online, the demand side of the uranium equation only grows. Denison is a leveraged bet on that demand, with a near-term construction catalyst already in motion. For investors who believe in the nuclear revival but want exposure at the commodity level rather than the utility level, DNN is the most compelling name in the group.

The Bottom Line: Build a Basket, Not a Single Bet

These five names represent five different points on the nuclear risk spectrum. CEG is the anchor — high conviction, lower volatility, direct cash flows from operating reactors. VST adds a hybrid energy angle with strong earnings visibility. NNE and SMR are the speculative layer — high upside, meaningful downside, and dependent on technology and regulatory timelines that are inherently uncertain. DNN is the commodity play, leveraged to uranium prices and the construction of new reactors globally.

No single name captures the full thesis. The most resilient approach is a basket: weight CEG and VST as core positions, use NNE and SMR as satellite positions sized to what you can afford to lose, and consider DNN as the upstream hedge that pays off when the reactor buildout becomes undeniable. In 2026, the energy trade is the AI trade. Act accordingly.