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The best alternatives to NuScale Power depend on which part of nuclear energy you want exposure to: Oklo for advanced-reactor development, BWX Technologies for nuclear components and services, Cameco for uranium and fuel-cycle activity, or GE Vernova for diversified power equipment that includes nuclear technology. None is a like-for-like substitute, and the available company reports do not establish which stock is cheapest or most likely to deliver the best return.
NuScale itself is still pursuing commercialization: its 77 MWe module design received a U.S. regulatory approval milestone, but that is not the same as an operating plant. The practical choice is therefore less about finding another identical company and more about deciding whether you want reactor-development risk, supplier and service exposure, fuel-cycle exposure, or a broader power-sector business.
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At a glance
| Name | Best for | Key distinction | Checked |
|---|---|---|---|
| Oklo | Advanced-reactor development exposure | Developer of advanced fission plants and related fuel-cycle activities; remains in development and commercialization | November 2026 |
| BWX Technologies | Nuclear components, engineering, fuel-related work, and services | Supplier and services business spanning government and commercial nuclear work; not a pure-play SMR developer | November 2026 |
| Cameco | Uranium and fuel-cycle exposure | Uranium production is central to its strategy, alongside fuel, services, technologies, and an investment in Westinghouse | November 2026 |
| GE Vernova | Broader power-sector and electricity infrastructure exposure | Nuclear technology and services sit within a wider Power segment that also includes gas and hydro | November 2026 |
What does “an alternative to NuScale” mean?
It can mean a company tied to the same broad nuclear-energy theme, but it does not necessarily mean a company with the same product, commercial stage, or risk profile. These four candidates represent distinct parts of the sector: an advanced-reactor developer, a nuclear supplier and service provider, a uranium and fuel-cycle company, and a diversified power-equipment business.
NuScale’s 77 MWe NuScale Power Module is a light-water small modular reactor design. Its 2026 second-quarter filing says the U.S. Nuclear Regulatory Commission approved the design’s standard design approval in May 2025. That milestone allows prospective U.S. customers to reference the design when seeking construction and operating licenses; it does not itself grant a license to build and operate a particular plant or demonstrate that a plant is running. NuScale also identifies the need for binding customer contracts and continued funding until commercialization among its risks. Read the company’s second-quarter 2026 filing for the regulatory and commercialization context.
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NuScale’s November 5, 2026 third-quarter release reported a move toward physical production of its first commercial module, including a contract with Doosan Enerbility to fabricate an upper reactor coolant system. It also reported $1.9 billion in cash, cash equivalents, and short- and long-term investments at quarter end, and said it was supporting ENTRA1’s dialogue with the Tennessee Valley Authority about a potential deployment program. These are company-reported progress and discussions, not evidence of an operating commercial plant, a completed customer order, or revenue from a deployed reactor. The third-quarter results release provides the company’s account.
That distinction matters when choosing an alternative. A supplier may already earn revenue from work unlike a new plant build, while a developer’s upside and downside may hinge on licensing, financing, customer commitments, and construction. A fuel producer faces different commercial drivers again. Similarity of theme is not equivalence of investment.
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Oklo is the closest thematic alternative in this group for someone specifically seeking exposure to advanced-reactor development. It is still a development-stage and commercialization story, not an established operating nuclear-generation business on the evidence in the cited filing.
Oklo: advanced fission development
Oklo’s SEC filing describes its Aurora powerhouse product line and associated fuel-cycle activities, including fuel recycling and radioisotopes. That means its business concept is not simply a copy of NuScale’s light-water SMR model. The cited filing supports describing Oklo as an advanced fission developer with related fuel-cycle ambitions, but it does not support treating the company as a proven fleet operator or assuming that the planned economics of future plants are already realized.
For investors, the key question is whether they are comfortable underwriting a development and commercialization pathway. Regulatory review, access to financing, construction capability, customer commitments, and execution all matter. A technically differentiated reactor concept does not eliminate the need to secure projects and bring them through approval and construction. The Oklo third-quarter 2026 filing is the appropriate starting point for its disclosed business and risks.
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What it is not: a direct substitute for NuScale’s exact design or a lower-risk way to own existing nuclear generation. Both companies are being considered here as developers with commercialization risk, but their reactor concepts and business plans differ. Investors comparing them should examine their current filings rather than assuming that progress at one company transfers to the other.
BWX Technologies: development work within a broader nuclear business
BWX Technologies is more diversified across nuclear supply and services than a company whose investment case depends primarily on a new commercial reactor reaching deployment. Its 2025 Form 10-K describes Government Operations and Commercial Operations, with work that includes nuclear fuel and components, advanced-reactor development for government programs, engineering and manufacturing services, and commercial nuclear plant maintenance, inspection, and lifecycle support.
This mix creates a different kind of exposure. Government-program work and commercial plant services are not the same as selling a newly designed reactor to a utility. A reader looking for nuclear-sector participation without relying solely on an unbuilt design may find the supplier-and-services model more relevant. That does not mean BWX Technologies is risk-free or that its different activities will move in lockstep with reactor construction; the company’s government and commercial operations have their own customers, contract conditions, and execution demands.
What it is not: a pure-play SMR developer. Its advanced-reactor work is one element of a broader portfolio of nuclear components, fuel-related activity, engineering, manufacturing, and service work. See the company’s 2025 Form 10-K for the business description.
What if I want uranium or fuel-cycle exposure instead?
Cameco offers a route into nuclear energy that is more oriented toward uranium and the fuel cycle than reactor licensing or plant construction. Its 2025 annual report describes activities across nuclear fuel and nuclear power products, services, and technologies, and identifies uranium production as central to its strategy.
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Cameco: uranium and fuel-cycle activity
A fuel-cycle company can be relevant to a nuclear-energy thesis even though it does not represent a direct alternative reactor design. Its business drivers are tied to uranium production and other fuel-related products and services, rather than the timing of a particular developer’s first commercial plant. Cameco also reports an investment in Westinghouse, adding another connection to the nuclear power value chain, but that does not make the company interchangeable with a reactor developer.
The distinction is useful when deciding what risk you actually want. If your thesis is that nuclear power deployment could create demand across fuel-related activities, Cameco may be more aligned than a company whose prospects depend on winning and delivering a new reactor project. If your thesis is specifically about a particular small modular reactor design reaching commercial operation, Cameco is a less direct expression of that view. The 2025 annual report describes Cameco’s strategy and business mix.
What it is not: a pure uranium-price proxy or a direct substitute for NuScale. The annual report describes a business spanning products, services, and technologies across the fuel cycle, as well as its investment. Investors should read the report’s segment and risk disclosures before drawing conclusions about how any one market change could affect the company.
Is a diversified power company a better fit than a nuclear specialist?
GE Vernova may suit an investor seeking broader power-generation and electricity infrastructure exposure rather than a nuclear-only position. Its nuclear technology and services are part of a wider Power segment that also includes gas and hydro, so company performance is not solely tied to nuclear projects.
GE Vernova: nuclear activity within a wider power business
Diversification changes the nature of the bet. It can reduce dependence on one nuclear project or technology, but it also means that nuclear-specific developments make up only part of the company’s overall business. GE Vernova’s 2025 annual report reported company-wide revenue of $38 billion, orders of $59 billion, and backlog of $150 billion. The company defines backlog as remaining performance obligations. These are broad company figures, not nuclear-segment revenue or nuclear-specific order and backlog figures, so they should not be used to imply the scale of its nuclear business.
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The company’s 2026 reporting places nuclear technology and services within its Power segment alongside gas and hydro. Its 2025 annual report also includes a statement from CEO and President Scott Strazik that “Today only about twenty percent of energy comes from electricity, but many project electricity’s proportion of the energy mix to increase by 50% by 2050.” That is management’s outlook, not an independent forecast and not a guarantee of demand or shareholder returns. The relevant references are the 2026 filing’s segment description and the 2025 annual report.
What it is not: a nuclear pure play. An investor choosing it for nuclear exposure should also be willing to own a company with other power-generation activities and broader business drivers. The cited company-wide financials give context for scale but do not quantify its nuclear-specific contribution.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How should you compare these companies before investing?
Start by identifying the exposure you want, then assess stage, concentration, financing needs, and valuation separately. The available company reports provide useful business descriptions, but they do not establish a comparable valuation ranking or expected return across these companies.
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- Separate development stage from operating activity. A design approval, a manufacturing step, project dialogue, or an announced initiative is not equivalent to an operating plant or realized revenue from deployed reactors. Check what has been licensed, contracted, manufactured, built, and placed in service rather than treating all milestones as interchangeable.
- Map the execution and financing risks. Developers may need binding customers, capital, regulatory approvals, manufacturing, and construction progress before commercialization. Suppliers and service companies have different contract and delivery risks. Fuel-cycle companies have exposures tied to their products and activities across the cycle.
- Decide how much nuclear concentration you want. A specialist may provide a more direct connection to nuclear activity, while a diversified power company can dilute nuclear-specific gains and losses with other businesses. Neither concentration nor diversification is automatically superior; the relevant question is how the position fits with the rest of your portfolio.
- Consider where the company sits in the fuel cycle. Uranium production, fuel services, reactor design, component manufacturing, and plant maintenance respond to different conditions. If you have a particular thesis about nuclear growth, match the company’s actual business to that thesis.
- Review current valuation and balance-sheet needs. Compare market valuation, liquidity, cash needs, debt and other financial disclosures using up-to-date filings and market data. The figures in this article are not a cross-company valuation analysis, and no expected-return or suitability ranking is established here.
For a first pass, make a one-page comparison with four rows and record each company’s principal source of business, current commercial stage, key funding or execution dependencies, and nuclear concentration. Then review the latest filing and results release for changes. For a developer, pay particular attention to customer commitments and commercialization funding; for a supplier, examine the balance of government and commercial work; for a fuel-cycle business, check the activities and products that account for its exposure; and for a diversified company, distinguish nuclear work from the rest of the portfolio.
Avoid comparing unlike figures. For example, NuScale’s reported cash and investments at one quarter-end and GE Vernova’s annual company-wide revenue, orders, and backlog are not measures of the same thing. Nor does the presence of nuclear activity in a company’s description show how much of its value or earnings depends on nuclear energy. Use each company’s own filings for definitions, dates, and segment detail.
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Which alternative is right for your investment thesis?
There is no evidence-based single “best” choice across these four companies without a defined goal, current valuation analysis, and personal risk context. The most useful shortlist follows the type of exposure sought: Oklo for another advanced-reactor development story; BWX Technologies for nuclear components, government and commercial work, and services; Cameco for uranium and fuel-cycle activity; and GE Vernova for a broader power business that includes nuclear technology.
Those categories are not a ranking of investment quality. A reader seeking a direct reactor-development thesis should understand that development and financing risks remain central. Someone seeking nuclear-sector participation with a wider set of operating activities may prefer to investigate suppliers or fuel-cycle businesses, while someone wanting diversification across power technologies may look at a broader company. Before investing, verify current share price and valuation, review the latest filings, and consider whether a concentrated or volatile sector position fits your financial situation. Company disclosures describe their businesses; they do not establish that any security is suitable for a particular investor.
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Frequently Asked Questions
Are these companies all publicly traded alternatives to NuScale?
The available data identifies each as a publicly traded company or public-market candidate, but availability and trading details can differ by exchange and investor location. Confirm the current listing, share class, and eligibility with your brokerage and the company’s current investor materials.
Does an NRC design approval mean a nuclear plant can start operating?
No. A design approval is distinct from the project-specific construction and operating licensing steps described in NuScale’s filing. It also does not establish that a customer has completed a project or that the plant is generating electricity.
Can GE Vernova’s backlog be treated as nuclear backlog?
No. The cited $150 billion figure is company-wide backlog, which GE Vernova defines as remaining performance obligations. The cited company reporting does not provide a comparable nuclear-only backlog figure.
Which of these is least dependent on a new reactor being deployed?
The cited business descriptions show BWX Technologies, Cameco, and GE Vernova have activities beyond a new commercial reactor design, but the evidence does not quantify their relative dependence or risk. Compare current segment disclosures and revenue mix rather than inferring dependence from a business label.
