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Nuclear power(ing up) – opportunities for investors

Natalia Luna
Senior Investment Analyst, Sustainability Research

At a glance

  • COP 28 saw over 20 countries commit to tripling nuclear power capacity by 2050. Energy security, electrification and AI growth are strong drivers supporting the investment thesis.
  • Nuclear power can provide round-the-clock energy and be an important component of the broader mix. Higher initial costs and extended delivery times pose a challenge.
  • Small Modular Reactors (SMRs) promise cost-effective solutions and their development is attracting significant investment.
  • We project that a powering up of the nuclear sector will result in a $550 billion investment opportunity over the next decade or so as capital is deployed for new installations, restarts and recommissions.
  • Sectors and industries set to benefit include uranium producers, specialist engineering and construction names, reactor manufacturers and select utility names.

What’s driving the surge in interest?

At COP 28 in November 2023, over 20 nations committed to tripling nuclear power capacity by 2050. As a result, broader interest in nuclear energy has surged dramatically.

Key catalysts underpin the thesis for investing in nuclear energy. These include a pressing need for energy security and independence, the accelerating pace of electrification across economies, and the burgeoning growth of power-hungry AI (see our previous article on Power hungry AI – investment implications in the era of the energy transition).

Here we focus on the implications of AI growth on power and the energy transition in the US. We find that meeting the high demands of AI will prove challenging but conclude with some confidence that between grid and non-grid options, these power demands can be met. However, we believe that some specific markets will not be able to generate adequate power, which will push AI demand to markets where power availability is greatest.

Governments and major tech companies increasingly recognise nuclear energy’s unique value proposition – its reliability as a baseload power source and its relative cleanliness. The growing appetite is translating into tangible actions: new policies are being drafted, significant investments are being made, and numerous projects are underway to expand nuclear capacity. In addition, existing nuclear plants are being upgraded and life extensions considered, while previously closed plants are being recommissioned. A notable trend is a fresh wave of investment in innovative technologies like Small Modular Reactors (SMRs), which promise to revolutionise the sector by offering quicker and more cost-effective nuclear power.

We view the growing momentum behind nuclear energy as a driver of numerous investment opportunities.

Nuclear power – the basics

Key to nuclear energy’s resurgence is its perceived value as a reliable and clean baseload power source. Unlike renewables, nuclear power offers consistent, round-the-clock energy generation, which in turn makes it a potentially stable and important component of the broader energy mix.

Higher initial costs and extended construction timelines, however, pose a significant challenge to new nuclear capacity relative to other types of power generation. These barriers are being tackled through solutions such as the development of SMRs. These small and modular reactors are designed so that they can be constructed more quickly and at a lower cost than traditional large installations.

It is important to note, however, that SMRs remain in the early stages of development and associated costs remain uncertain. Nonetheless, their potential role in transforming the nuclear energy landscape is significant.

Large reactors vs SMRs: a comparison

Source: Columbia Threadneedle Investments

High costs and skills gap pose a challenge

In more developed economies, deploying large nuclear projects can take around 15 years from regulatory approval to construction and launch. The process involves significant costs. Capital investment accounts for 70%-80% of a nuclear plant’s total project costs, with capital goods companies receiving around 50% for equipment, instrumentation and control systems. Around 12% is allocated to construction materials. Despite high initial costs, nuclear remains economically viable because, once up and running, operational and maintenance expenses are lower. Typically, these account for only 20% of total costs with the uranium fuel costs around 10% of total capital required.

Historically, however, large nuclear projects have typically resulted in substantial cost overruns and delays. The recent construction of the Votgle plant in Burke County, Georgia, in the US, exemplifies this trend. Costs tripled to $32 billion and the timeline doubled to 13 years. Similar cost escalations and delays have been observed in nuclear projects in France and the UK.

A critical factor in the challenges associated with new capacity is the multi-decade underinvestment in nuclear infrastructure. This has led to inadequate project management expertise and a shortage of skilled labour, both of which pose a significant obstacle to future developments. But these issues aren’t necessarily global – South Korea has demonstrated superior project management capabilities and the ability to consistently deliver projects on time and within budget.

The cost of new nuclear projects varies significantly by region. China and India enjoy some of the lowest nuclear costs, primarily due to cheaper labour and shorter construction timelines.

Conversely, extending the life of existing infrastructure presents a more cost-effective alternative. Indeed, such projects are estimated to be 80%-90% less costly than new ones and their delivery can be expedited through a quicker regulatory process. Restarting previously shutdown operations can also be materially cheaper – but costs will vary in accordance with the condition of the plant. For example, Constellation’s restarting of the Three Mile Island facility in collaboration with Microsoft is projected to cost $2 billion and set to reopen in 2028.

Given the cost and time challenges, we anticipate that most nuclear projects in more developed economies over the next decade will relate to life extensions and restarts. Notably, Japan plans to reopen 21 nuclear plants, and the US is considering a handful of restarts. Currently, only South Korea, the UK and France have tangible new nuclear build plans. Asia leads the way in terms of new construction with China maintaining the strongest nuclear pipeline globally, followed by India.

SMRs: current state of play

SMRs represent an array of innovative nuclear technologies. SMRs vary in size and typically include compact units capable of producing up to 500 MW. Most currently in development are focused on outputs around 300 MW which, for context, is approximately a third of the capacity of conventional large reactors that typically generate about 1 GW.

As investors, we need to be mindful of risks typically inherent in first-of-a-kind technologies. Designs are relatively untested, there will be increased regulatory scrutiny and uncertainty remains around cost structures. Today’s leading SMR designs are being developed by established firms such as RollsRoyce, GE-Hitachi, Westinghouse and Holtec and pure player NuScale Power. These are based on existing light-water reactor technologies and rely on conventional low-enriched uranium fuel. These designs are the most likely to be realised within the next decade.

Generation IV reactors encompass a range of advanced technologies aimed at enhancing the efficiency of current reactors. These facilities predominantly use high-enriched uranium and are in the preliminary design stages. It is premature to predict which designs will prevail, but companies such as Oklo, X-Energy, Kairos, and Terra Power have initiated regulatory processes and garnered customer interest.

Comparing reactor types

Comparing reactor types
Source: Columbia Threadneedle Investments

Assessing the extent of the investment opportunity

The growing interest in nuclear energy is set to channel substantial capital towards its expansion. However, the development of large-scale nuclear projects will likely span decades, extending beyond market current expectations.

At Columbia Threadneedle Investments, we have developed a framework to quantify the market size and assess related investment opportunities, based on a comprehensive bottom-up analysis. This has allowed us to project potential nuclear capacity resulting from the current global pipeline over the next decade.

Our base case forecasts around $550 billion investment opportunity. A significant portion of this capital will be directed towards France (new constructions and extensions), the UK (new builds), Japan (restarts) and China (new builds). The US will account for a relatively modest 6% of total new investment and here the primary focus will be on extensions and a limited number of restarts. There are no new US nuclear plant constructions currently in the pipeline.

We believe, nonetheless, that the investment landscape could expand further as additional plans come to fruition. Notably, several eastern European countries are on the cusp of finalising initiatives and starting construction within the next couple of years. Furthermore, several EU countries are contemplating policy reversals to reinvigorate their nuclear ambitions.

Large nuclear project pipeline

Large nuclear project pipeline
Source: Columbia Threadneedle Investments

With technology in its infancy, SMRs are not expected to be commercially viable until the mid-2030s. Consequently, the investment opportunities in this area remain limited for the near term. Given this area’s undoubted potential, however, we have devised a robust framework to evaluate proposals and track industry players, closely monitoring their progress. The SMR market is dynamic, with frequent deal announcements creating the illusion of depth. However, firm customer orders remain scarce, with most agreements being provisional.

Costs for SMR technologies are uncertain, as none have received regulatory approval or entered the manufacturing stage. Our bottom-up analysis, which assesses the current regulatory, manufacturing and commercial status of leading players, suggests that SMRs will play a modest role compared to large-scale nuclear and other power sources over the next decade.

Investing in the nuclear theme

The nuclear sector is concentrated, with a limited number of key players dominating the market. There are simple reasons for this: nuclear power development is complex, there are close ties to national security, and regulatory frameworks are stringent. As a result, state-owned enterprises maintain a strong presence and incumbents are protected by high barriers to entry. Competition is minimal.

In terms of investment opportunities, we view segments involved in life extensions, restarts, uprates and new nuclear projects, as well as the supply chain for existing nuclear infrastructure, as offering significant potential. The sector’s growth is poised to benefit these areas, offering potentially lucrative avenues for investment.

Investing in the nuclear theme

Opportunities this decade

Uranium producers – present a compelling investment opportunity due to the rising demand for nuclear fuel. This demand is driven by plant extensions, restarts and new constructions. The market’s supply deficit, caused by decades of underinvestment in uranium exploration, has supported higher uranium prices. In addition, the push to reduce reliance on Russian uranium, coupled with the US’s impending ban on Russian imports, is set to boost demand for western uranium producers. Cameco, a market leader, stands out as a significant non-state-owned company. Other notable players include US and Canadian miners.

Engineering and construction – attractive prospects for those with nuclear plant-related operations. Leading industrial companies providing comprehensive services, including engineering, construction and plant management, look set to benefit from the growing pipeline of nuclear projects. Firms, such as Hyundai, Doosan, MHI and Hitachi dominate the market, and thanks to high entry barriers have limited competition. North American infrastructure players with nuclear expertise also boast significant potential.

Nuclear reactor manufacturers – another market segment characterised by low competition and strong market concentration. South Korean and Japanese companies remain dominant in this space, with US players such as GE Vernova also holding noteworthy positions. The exacting nature of related manufacturing requirements mean that only a few players can compete effectively.

Looking further out towards the mid-2030s, we expect to see emerging SMR tech developers benefiting from the commercialisation of their technologies. Currently, however, investment opportunities appear sparse. Additionally, select utility names look poised to gain from incremental nuclear capacity. These include EDF and Centrica in Europe, and Southern Co and PEG in the US.

The bottom line

Today’s focus on energy security means nuclear power is a crucial lever. Governments are increasingly announcing nuclear plans or reversing previous anti-nuclear stances.

Nuclear energy is also being pursued by those seeking greater energy independence. In eastern Europe, for example, many countries are keen to reduce reliance on Russian energy sources. Broader geopolitical considerations remain a driver of momentum. Unlike other clean technologies where we see the dominance of Chinese manufacturers, nuclear reactor manufacturing is led by western companies, and they are keen to cement this dominance.

Significantly, there’s a growing appetite to leverage nuclear power for advancing power-hungry AI development, particularly in the US. While this is not the primary catalyst, it adds another compelling – and high profile – force behind the push to nuclear and announcements by big technology companies with SMR developers.

Challenges around bringing new capacity online look set to persist but after decades of underinvestment we are seeing growing interest in nuclear power and its potential role as a key component of the energy mix. And as the sector transforms, we believe that attractive opportunities will present themselves to the selective investor.

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Nuclear power(ing) up – opportunities for investors

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Nuclear power(ing up) – opportunities for investors

Important information

For use by professional clients and/or equivalent investor types in your jurisdiction (not to be used with or passed on to retail clients). For marketing purposes.
This document is intended for informational purposes only and should not be considered representative of any particular investment. This should not be considered an offer or solicitation to buy or sell any securities or other financial instruments, or to provide investment advice or services. Investing involves risk including the risk of loss of principal. Your capital is at risk. Market risk may affect a single issuer, sector of the economy, industry or the market as a whole. The value of investments is not guaranteed, and therefore an investor may not get back the amount invested. International investing involves certain risks and volatility due to potential political, economic or currency fluctuations and different financial and accounting standards. The securities included herein are for illustrative purposes only, subject to change and should not be construed as a recommendation to buy or sell. Securities discussed may or may not prove profitable. The views expressed are as of the date given, may change as market or other conditions change and may differ from views expressed by other Columbia Threadneedle Investments (Columbia Threadneedle) associates or affiliates. Actual investments or investment decisions made by Columbia Threadneedle and its affiliates, whether for its own account or on behalf of clients, may not necessarily reflect the views expressed. This information is not intended to provide investment advice and does not take into consideration individual investor circumstances. Investment decisions should always be made based on an investor’s specific financial needs, objectives, goals, time horizon and risk tolerance. Asset classes described may not be suitable for all investors. Past performance does not guarantee future results, and no forecast should be considered a guarantee either. Information and opinions provided by third parties have been obtained from sources believed to be reliable, but accuracy and completeness cannot be guaranteed. This document and its contents have not been reviewed by any regulatory authority.
In Australia: Issued by Threadneedle Investments Singapore (Pte.) Limited [“TIS”], ARBN 600 027 414. TIS is exempt from the requirement to hold an Australian financial services licence under the Corporations Act 2001 (Cth) and relies on Class Order 03/1102 in respect of the financial services it provides to wholesale clients in Australia. This document should only be distributed in Australia to “wholesale clients” as defined in Section 761G of the Corporations Act. TIS is regulated in Singapore (Registration number: 201101559W) by the Monetary Authority of Singapore under the Securities and Futures Act (Chapter 289), which differ from Australian laws.
In Singapore: Issued by Threadneedle Investments Singapore (Pte.) Limited, 3 Killiney Road, #07-07, Winsland House 1, Singapore 239519, which is regulated in Singapore by the Monetary Authority of Singapore under the Securities and Futures Act (Chapter 289). Registration number: 201101559W. This advertisement has not been reviewed by the Monetary Authority of Singapore.
In Hong Kong: Issued by Threadneedle Portfolio Services Hong Kong Limited 天利投資管理香港有限公司. Unit 3004, Two Exchange Square, 8 Connaught Place, Hong Kong, which is licensed by the Securities and Futures Commission (“SFC”) to conduct Type 1 regulated activities (CE:AQA779). Registered in Hong Kong under the Companies Ordinance (Chapter 622), No. 1173058.
In Japan: Issued by Columbia Threadneedle Investments Japan Co., Ltd. Financial Instruments Business Operator, The Director-General of Kanto Local Finance Bureau (FIBO) No.3281, and a member of Japan Investment Advisers Association and Type II Financial Instruments Firms Association.
In the USA: Columbia Management Investment Advisers, LLC (CMIA) is an investment adviser registered with the U.S. Securities and Exchange Commission.
In the UK: Issued by Threadneedle Asset Management Limited, No. 573204 and/or Columbia Threadneedle Management Limited, No. 517895, both registered in England and Wales and authorised and regulated in the UK by the Financial Conduct Authority.
In the EEA: Issued by Threadneedle Management Luxembourg S.A., registered with the Registre de Commerce et des Sociétés (Luxembourg), No. B 110242 and/or Columbia Threadneedle Netherlands B.V., regulated by the Dutch Authority for the Financial Markets (AFM), registered No. 08068841.
In Switzerland: Issued by Threadneedle Portfolio Services AG, Registered address: Claridenstrasse 41, 8002 Zurich, Switzerland.
In the Middle East: This document is distributed by Columbia Threadneedle Investments (ME) Limited, which is regulated by the Dubai Financial Services Authority (DFSA). For Distributors: This document is intended to provide distributors with information about Group products and services and is not for further distribution. For Institutional Clients: The information in this document is not intended as financial advice and is only intended for persons with appropriate investment knowledge and who meet the regulatory criteria to be classified as a Professional Client or Market Counterparties and no other Person should act upon it.
This document may be made available to you by an affiliated company which is part of the Columbia Threadneedle Investments group of companies: Columbia Threadneedle Management Limited in the UK; Columbia Threadneedle Netherlands B.V., regulated by the Dutch Authority for the Financial Markets (AFM), registered No. 08068841.
Columbia Threadneedle Investments is the global brand name of the Columbia and Threadneedle group of companies.

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Important information

For use by professional clients and/or equivalent investor types in your jurisdiction (not to be used with or passed on to retail clients). For marketing purposes.
This document is intended for informational purposes only and should not be considered representative of any particular investment. This should not be considered an offer or solicitation to buy or sell any securities or other financial instruments, or to provide investment advice or services. Investing involves risk including the risk of loss of principal. Your capital is at risk. Market risk may affect a single issuer, sector of the economy, industry or the market as a whole. The value of investments is not guaranteed, and therefore an investor may not get back the amount invested. International investing involves certain risks and volatility due to potential political, economic or currency fluctuations and different financial and accounting standards. The securities included herein are for illustrative purposes only, subject to change and should not be construed as a recommendation to buy or sell. Securities discussed may or may not prove profitable. The views expressed are as of the date given, may change as market or other conditions change and may differ from views expressed by other Columbia Threadneedle Investments (Columbia Threadneedle) associates or affiliates. Actual investments or investment decisions made by Columbia Threadneedle and its affiliates, whether for its own account or on behalf of clients, may not necessarily reflect the views expressed. This information is not intended to provide investment advice and does not take into consideration individual investor circumstances. Investment decisions should always be made based on an investor’s specific financial needs, objectives, goals, time horizon and risk tolerance. Asset classes described may not be suitable for all investors. Past performance does not guarantee future results, and no forecast should be considered a guarantee either. Information and opinions provided by third parties have been obtained from sources believed to be reliable, but accuracy and completeness cannot be guaranteed. This document and its contents have not been reviewed by any regulatory authority.
In Australia: Issued by Threadneedle Investments Singapore (Pte.) Limited [“TIS”], ARBN 600 027 414. TIS is exempt from the requirement to hold an Australian financial services licence under the Corporations Act 2001 (Cth) and relies on Class Order 03/1102 in respect of the financial services it provides to wholesale clients in Australia. This document should only be distributed in Australia to “wholesale clients” as defined in Section 761G of the Corporations Act. TIS is regulated in Singapore (Registration number: 201101559W) by the Monetary Authority of Singapore under the Securities and Futures Act (Chapter 289), which differ from Australian laws.
In Singapore: Issued by Threadneedle Investments Singapore (Pte.) Limited, 3 Killiney Road, #07-07, Winsland House 1, Singapore 239519, which is regulated in Singapore by the Monetary Authority of Singapore under the Securities and Futures Act (Chapter 289). Registration number: 201101559W. This advertisement has not been reviewed by the Monetary Authority of Singapore.
In Hong Kong: Issued by Threadneedle Portfolio Services Hong Kong Limited 天利投資管理香港有限公司. Unit 3004, Two Exchange Square, 8 Connaught Place, Hong Kong, which is licensed by the Securities and Futures Commission (“SFC”) to conduct Type 1 regulated activities (CE:AQA779). Registered in Hong Kong under the Companies Ordinance (Chapter 622), No. 1173058.
In Japan: Issued by Columbia Threadneedle Investments Japan Co., Ltd. Financial Instruments Business Operator, The Director-General of Kanto Local Finance Bureau (FIBO) No.3281, and a member of Japan Investment Advisers Association and Type II Financial Instruments Firms Association.
In the USA: Columbia Management Investment Advisers, LLC (CMIA) is an investment adviser registered with the U.S. Securities and Exchange Commission.
In the UK: Issued by Threadneedle Asset Management Limited, No. 573204 and/or Columbia Threadneedle Management Limited, No. 517895, both registered in England and Wales and authorised and regulated in the UK by the Financial Conduct Authority.
In the EEA: Issued by Threadneedle Management Luxembourg S.A., registered with the Registre de Commerce et des Sociétés (Luxembourg), No. B 110242 and/or Columbia Threadneedle Netherlands B.V., regulated by the Dutch Authority for the Financial Markets (AFM), registered No. 08068841.
In Switzerland: Issued by Threadneedle Portfolio Services AG, Registered address: Claridenstrasse 41, 8002 Zurich, Switzerland.
In the Middle East: This document is distributed by Columbia Threadneedle Investments (ME) Limited, which is regulated by the Dubai Financial Services Authority (DFSA). For Distributors: This document is intended to provide distributors with information about Group products and services and is not for further distribution. For Institutional Clients: The information in this document is not intended as financial advice and is only intended for persons with appropriate investment knowledge and who meet the regulatory criteria to be classified as a Professional Client or Market Counterparties and no other Person should act upon it.
This document may be made available to you by an affiliated company which is part of the Columbia Threadneedle Investments group of companies: Columbia Threadneedle Management Limited in the UK; Columbia Threadneedle Netherlands B.V., regulated by the Dutch Authority for the Financial Markets (AFM), registered No. 08068841.
Columbia Threadneedle Investments is the global brand name of the Columbia and Threadneedle group of companies.

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