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Top 3 Nuclear Stocks To Watch In October 2026

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Britain's struggle to plug huge gaps in its power grid as renewable energy projects queue for connections highlights a simple fact: reliable, low carbon electricity is scarce and valuable. That puts nuclear energy stocks in focus for investors who care about long term power demand and grid stability. This article breaks down three potential nuclear-related opportunities from our curated screener and explains what sets each one apart.

The three stocks highlighted here offer a compelling starting point if you want exposure to uranium supply, enrichment capacity and nuclear power generation in a single theme. However, if you want the pick of this theme, these 16 nuclear renaissance stocks are the best of the best.

Constellation Energy (CEG)

Constellation Energy runs a large US power generation portfolio anchored by a fleet of nuclear reactors that supply carbon free baseload electricity. The group reports about US$31.3b from its Generation segment and carries a market value near US$89.8b, putting it among the bigger listed utilities.

Constellation Energy matters for this nuclear screener because its reactors do the heavy lifting on reliable, low carbon power, and big tech customers are now lining up for that output through very long contracts.

"Growing demand for carbon free, reliable power from large scale customers such as data centers and large corporates is now translating into roughly 920 MW of long duration nuclear power contracts with investment grade buyers on an average 18.5 year term, which can support more visible revenue and earnings growth for Constellation Energy as additional load is signed over time."

What really moves the needle from here is how one quiet shift in buyer behaviour ultimately feeds through to pricing power and long term margins.

That pricing muscle is exactly what sits behind the full narrative for Constellation Energy , which examines how long term contracts, capital needs and policy shifts could reshape Constellation Energy's risk and reward profile.

NasdaqGS:CEG Earnings & Revenue Growth as at Oct 2026
NasdaqGS:CEG Earnings & Revenue Growth as at Oct 2026

Oklo (OKLO)

Oklo is all about bringing compact nuclear power plants to customers that need reliable, low carbon electricity on site, using its Aurora microreactors and related fuel recycling technology as the engine for that vision, and the stock is currently valued around US$4.9b.

Oklo gives you direct exposure to the reactor side of the nuclear energy theme, with a focus on small Aurora Powerhouses that are intended to supply electricity and heat under long term contracts for industrial users, data centers and government sites.

"Oklo has already signed major agreements, e.g. with Switch for 12 GW through to 2044."

The real swing factor is how one unresolved piece of the approval and deployment puzzle ultimately shapes demand, pricing and long term returns.

That unresolved piece is exactly what the full narrative for Oklo unpacks, showing how Oklo's model could either accelerate or stall as regulation, capital and customer demand collide.

NYSE:OKLO Earnings & Revenue Growth as at Oct 2026
NYSE:OKLO Earnings & Revenue Growth as at Oct 2026

Public Service Enterprise Group (PEG)

Public Service Enterprise Group blends a large regulated New Jersey utility with a dedicated nuclear generation arm, providing exposure to carbon free baseload power alongside wires and gas delivery. Most revenue comes from PSE&G at about US$10.1b, with PSEG Power & Other adding roughly US$3.7b, and the group carries a market value near US$35.9b.

For nuclear focused investors, Public Service Enterprise Group offers something different. Investors get regulated wires and gas plus a nuclear generation and fuel arm that plugs directly into the theme of reliable, low carbon electricity.

"Growing demand for electricity from large loads such as data centers and other economic development projects in the PJM region continues to reshuffle load forecasts, and Public Service Enterprise Group is pursuing bilateral arrangements through PJM's Reliability Backstop Procurement process that could translate these inquiries into contracted generation and transmission revenue and a larger rate base over time."

The key question is how one relatively quiet shift in capital funding will shape future returns from both the nuclear fleet and the regulated grid.

That funding shift is where things start to get interesting, and the full narrative for Public Service Enterprise Group shows how accelerating grid investment and nuclear contracts could reshape Public Service Enterprise Group's earnings mix.

NYSE:PEG Earnings & Revenue Growth as at Oct 2026
NYSE:PEG Earnings & Revenue Growth as at Oct 2026

Seeking Fresh Alternatives Beyond Nuclear?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

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