The Global Nuclear Small Modular Reactors (SMR) Market 2027-2047

1. Executive Summary 18

• 1.1 Market Overview 19
  • 1.1.1 The "Golden Age of Nuclear": 2025–2026 policy inflection point    19
  • 1.1.2 AI, data centers and Big Tech as SMR demand anchors       19
  • 1.1.3 The 700 GW industrial opportunity — $0.5–1.5 trillion thesis            20
• 1.2 Market Forecast   20
• 1.3 Technological Trends        21
• 1.4 Regulatory Landscape    23
• 1.5 Key 2025–2026 Market Catalysts (UK NWF / US NSTM-3 / EU PINC) 24
• 1.6 Four Supply × Four Demand Scenarios — Market-Access Matrix        24
• 1.7 Critical Market Drivers     25
• 1.8 Key SMR Market Developments in 2026              26

2. Introduction 28

• 2.1 Scope of This Report         28
• 2.2 Fundamentals of Nuclear Power              29
  • 2.2.1 How Nuclear Fission Generates Power            29
    • 2.2.1.1 Nuclear fission            30
    • 2.2.1.2 Controlling nuclear chain reactions              30
  • 2.2.2 Core Reactor Systems and Components       30
    • 2.2.2.1 Fuels  31
    • 2.2.2.2 Safety parameters     31
      • 2.2.2.2.1 Void coefficient of reactivity           31
      • 2.2.2.2.2 Temperature coefficient    31
    • 2.2.2.3 Light Water Reactors (LWRs)              32
    • 2.2.2.4 Ultimate heat sinks (UHS)    32
    • 2.2.2.5 Key Components and Systems         32
  • 2.2.3 Reactor Generations: From Gen I to Gen IV   33
    • 2.2.3.1 Established nuclear technologies   34
    • 2.2.3.2 Nuclear as a source of low-carbon power 35
• 2.3 The Shift Towards Smaller Reactors       36
  • 2.3.1 Cost, Schedule and Siting Challenges of Large Reactors    36
    • 2.3.1.1 The nuclear industry 36
    • 2.3.1.2 Challenges for nuclear power            37
    • 2.3.1.3 Construction and costs of commercial nuclear power plants     37
  • 2.3.2 Why the Industry Is Moving to Small Modular Designs          39
    • 2.3.2.1 Renewed interest in nuclear energy               39

3. Small Modular Reactors: Definitions and Technologies 40

• 3.1 Defining the SMR 40
  • 3.1.1 Size, Modularity and Classification    40
    • 3.1.1.1 SMR Category Boundary       41
    • 3.1.2 Benefits and Drawbacks of SMRs        42
    • 3.1.3 SMRs Compared with Gigawatt-Scale Reactors        43
• 3.2 SMR Technology Families             44
  • 3.2.1 Light-Water SMRs          49
    • 3.2.1.1 Pressurized Water Reactors (PWRs)              50
      • 3.2.1.1.1 Overview     50
      • 3.2.1.1.2 Key features               53
      • 3.2.1.1.3 Examples   54
    • 3.2.1.2 Pressurized Heavy Water Reactors (PHWRs)           57
      • 3.2.1.2.1 Overview     57
      • 3.2.1.2.2 Key features               63
      • 3.2.1.2.3 Examples   65
    • 3.2.1.3 Boiling Water Reactors (BWRs)         65
      • 3.2.1.3.1 Overview     65
      • 3.2.1.3.2 Key features               67
      • 3.2.1.3.3 Examples   68
  • 3.2.2 High-Temperature Gas-Cooled Reactors (HTGRs)    70
    • 3.2.2.1 Pebble Bed Reactors               70
      • 3.2.2.1.1 Overview     70
      • 3.2.2.1.2 Key features               71
    • 3.2.2.2 Overview         71
    • 3.2.2.3 Elevated operating temperatures     72
    • 3.2.2.4 Key features   75
    • 3.2.2.5 Examples        76
  • 3.2.3 Molten Salt and Fluoride-Salt-Cooled Reactors        78
    • 3.2.3.1 Overview         78
    • 3.2.3.2 Key features   79
    • 3.2.3.3 Examples        80
  • 3.2.4 Liquid-Metal and Gas-Cooled Fast Reactors               81
    • 3.2.4.1 Liquid Metal Cooled Reactors           81
      • 3.2.4.1.1 Overview     81
      • 3.2.4.1.2 Key features               83
      • 3.2.4.1.3 Examples   84
    • 3.2.4.2 Overview         85
    • 3.2.4.3 Key features   86
    • 3.2.4.4 Examples        86
  • 3.2.5 Emerging and Hybrid Reactor Concepts         87
    • 3.2.5.1 Supercritical Water-Cooled Reactors (SCWRs)     87
      • 3.2.5.1.1 Overview     87
      • 3.2.5.1.2 Key features               87
    • 3.2.5.2 Emerging Technologies and Future Developments              88
  • 3.2.6 Microreactors   89
    • 3.2.6.1 Heat Pipe Reactors   89
      • 3.2.6.1.1 Overview     89
      • 3.2.6.1.2 Key features               90
      • 3.2.6.1.3 Examples   90
    • 3.2.6.2 Overview         90
    • 3.2.6.3 Key features   91
    • 3.2.6.4 Examples        91
• 3.3 The Value Proposition of SMRs  92
  • 3.3.1 SMR benefits     92
  • 3.3.2 Carbon Emissions Analysis — Lifecycle g CO₂e/kWh             93
  • 3.3.3 Carbon Emissions Reduction Potential (2027–2047)             94
  • 3.3.4 Land Use Comparison — SMR vs. Traditional Nuclear vs. Renewables      95
  • 3.3.5 Water Usage Comparison        95
• 3.4 Structural Constraints on SMR Deployment     96
  • 3.4.1 Nuclear Waste Management — Volumes, Categories, and Disposal Pathways    97
  • 3.4.2 Spent Fuel Handling by Reactor Type                97
  • 3.4.3 Environmental Impact of Specific Reactor Types      98
  • 3.4.4 Public Health and Safety           98
  • 3.4.5 Social Acceptance and Community Engagement    99

4. Government Policy, Projects and Technology Developments 100

• 4.1 National SMR Strategies 100
  • 4.1.1 United States     101
    • 4.1.1.1 Trump Administration 400 GW Nuclear-by-2050 Target    101
    • 4.1.1.2 NSTM-3 — National Security Technology Memorandum on Space Nuclear (April 14, 2026)   101
    • 4.1.1.3 DOE $800m TVA/Holtec SMR-300 Award (December 2025)         102
    • 4.1.1.4 DOE $2.7bn HALEU Procurement   102
    • 4.1.1.5 ADVANCE Act and Executive Orders on NRC reform          102
    • 4.1.1.6 State-level SMR Policy Landscape 102
  • 4.1.2 Canada 102
  • 4.1.3 Europe   103
    • 4.1.3.1 UK — Great British Nuclear and the "Golden Age of Nuclear"      103
    • 4.1.3.2 European Union — PINC (€241bn to 2050) and European Industrial Alliance on SMRs              103
    • 4.1.3.3 Sweden — SEK 220bn New-Nuclear Framework   104
    • 4.1.3.4 Finland — Helen Oy SMR subsidiary; LUT test facilities; Steady Energy LDR-50              104
    • 4.1.3.5 Norway — Trondheimsleia Kjernekraft / Norsk Kjernekraft             104
    • 4.1.3.6 Other European National Policies   104
  • 4.1.4 Russia   105
  • 4.1.5 China     106
  • 4.1.6 Japan     106
  • 4.1.7 Korea      106
  • 4.1.8 India — Indigenous iPHWR, Thorium Partnerships  107
  • 4.1.9 Middle East, Africa and Latin America Policies           107
  • 4.1.10 World Bank June 2025 Nuclear Lending Reversal   108
  • 4.1.11 International Cooperation and Harmonization        108
  • 4.1.12 Export Control and Non-Proliferation             108
• 4.2 SMR Project Pipeline        109
  • 4.2.1 Construction and Licensing Milestones          109
    • 4.2.1.1 Major SMR Projects Tracker — Global (Q2 2026 snapshot)            110
  • 4.2.2 Leading Projects by Country   112
    • 4.2.2.1 Current SMR reactor designs and projects                112
• 4.3 Technology Development Trends             114
  • 4.3.1 Design Goals for Next-Generation SMRs        114
    • 4.3.1.1 Design Principles of SMRs   114
  • 4.3.2 Passive and Inherent Safety    114
  • 4.3.3 Factory Fabrication and Modular Construction         115
    • 4.3.3.1 Advanced Manufacturing Techniques          116
    • 4.3.3.2 Modularization and Factory Fabrication     116
    • 4.3.3.3 Delivery-Model Evolution — bespoke → standardised → shipyard → mass manufacturing         117
      • 4.3.3.3.1 Onsite EPC (current, ~$125/MWh, 10+ years)    118
      • 4.3.3.3.2 Standardised onsite EPC ($90–125/MWh, 5–7 years)    118
      • 4.3.3.3.3 Shipyard manufacturing ($60–90/MWh, 2–3 years) — Prodigy, Blue Energy    118
      • 4.3.3.3.4 Mass manufacturing ($40–70/MWh) — DfMA, Aalo, Copenhagen Atomics, Project Pele       118
    • 4.3.3.4 Transportation and Site Assembly  119
  • 4.3.4 Multi-Product Energy Supply  119
  • 4.3.5 Integration with Storage and Renewables      119
• 4.4 Regulatory Frameworks and Licensing 119
  • 4.4.1 International Atomic Energy Agency (IAEA) Guidelines          119
  • 4.4.2 Nuclear Regulatory Commission (NRC) Approach to SMRs               120
  • 4.4.3 European Nuclear Safety Regulators Group (ENSREG) Perspective              120
  • 4.4.4 Regulatory Challenges and Harmonization Efforts  120
  • 4.4.5 Licensing Processes for SMRs               121
  • 4.4.6 Environmental Impact Assessment   121
  • 4.4.7 Public Acceptance and Stakeholder Engagement    121
  • 4.4.8 Product-Based Licensing and Type Certification for SMRs 122
  • 4.4.9 NRC 10 CFR Part 53 — risk-informed, performance-based framework      122
  • 4.4.10 ADVANCE Act and Executive Order on NRC reform              122
  • 4.4.11 Pre-Application Engagement Case Studies                122
    • 4.4.11.1 First American Nuclear (FANCO) EAGL-1 — April 2026 filing      123
    • 4.4.11.2 Newcleo LFR pre-application (February 2026)    123
    • 4.4.11.3 TerraPower Natrium — first US advanced-reactor construction permit in a decade   123
  • 4.4.12 International Regulatory Harmonization Initiatives               123
    • 4.4.12.1 IAEA Nuclear Harmonization and Standardization Initiative (NHSI)       123
    • 4.4.12.2 OECD-NEA Multinational Design Evaluation Programme (MDEP)          124
    • 4.4.12.3 UK–US–Canada Trilateral Regulatory Cooperation           124
    • 4.4.12.4 Atlantic Partnership for Advanced Nuclear Energy (Sept 2025) 124
    • 4.4.12.5 EDF NUWARD™ joint regulatory review     124

5. Market Dynamics and Industry Ecosystem 125

• 5.1 State of the Global SMR Industry              125
  • 5.1.1 Projections for nuclear installation rates        125
  • 5.1.2 Development Status     125
  • 5.1.3 SWOT Analysis 126
  • 5.1.4 Job Creation in SMR Industry  127
• 5.2 Market Drivers       129
  • 5.2.1 Net-Zero Commitments and Carbon Pricing                129
    • 5.2.1.1 Decarbonization        129
    • 5.2.1.2 Decarbonization pressure — CBAM, ETS, Scope-3              130
  • 5.2.2 Electricity Demand from Data Centres and Industry              130
    • 5.2.2.1 Projected Energy Demand   130
  • 5.2.3 Coal Plant Retirements and Repowering        131
  • 5.2.4 Grid Reliability and System Strength 131
    • 5.2.4.1 Energy security and price volatility 131
    • 5.2.4.2 Reliability deterioration — April 2025 Spain–Portugal blackout   131
  • 5.2.5 Global Energy Mix Projections (2027–2047) 132
• 5.3 Market Restraints               132
  • 5.3.1 Technology Readiness 133
    • 5.3.1.1 Design Certification and Licensing 133
    • 5.3.1.2 Fuel Development and Supply          133
    • 5.3.1.3 Component Manufacturing and Quality Assurance            134
    • 5.3.1.4 Grid Integration and Load Following              134
  • 5.3.2 Cost and Financing       134
    • 5.3.2.1 Capital Costs and Financing              134
    • 5.3.2.2 Economies of Scale  135
    • 5.3.2.3 Market Competition from Other Energy Sources   135
  • 5.3.3 Regulation, Policy and Institutions     135
    • 5.3.3.1 Social and Political Challenges        136
      • 5.3.3.1.1 Public Perception and Acceptance            136
      • 5.3.3.1.2 Nuclear Proliferation Concerns    137
      • 5.3.3.1.3 Waste Management and Long-Term Storage       137
    • 5.3.3.2 Harmonization of International Standards 137
    • 5.3.3.3 Site Licensing and Environmental Approvals          137
    • 5.3.3.4 Liability and Insurance Issues           137
  • 5.3.4 Supply Chain and Industrial Capacity              137
  • 5.3.5 Market Challenges for SMRs   138
  • 5.3.6 Geopolitical Risks         139
  • 5.3.7 Risk Management Framework               139
• 5.4 The SMR Supply Chain    140
  • 5.4.1 Structure of the Nuclear Value Chain               140
    • 5.4.1.1 Value Chain Analysis              140
  • 5.4.2 Distinctive Features of SMR Supply Chains  141
    • 5.4.2.1 In-house vs. outsourced manufacturing strategies             141
  • 5.4.3 Supply Chain Readiness           142
    • 5.4.3.1 Forgings, pressure vessels, steam generators (BWXT, Doosan, HD Hyundai, IHI)            143
    • 5.4.3.2 Specialty materials — SGL Carbon graphite, lithium-7, molten salt         145
  • 5.4.4 Fuel Supply: LEU, HALEU and Advanced Fuels           145
    • 5.4.4.1 HALEU / TRISO fuel supply chain    145
    • 5.4.4.2 Uranium Mining Capacity as Structural Supply Constraint            146
  • 5.4.5 Bottlenecks and Mitigation      147
• 5.5 Investment, Partnerships and Government Support   147
  • 5.5.1 Capital Flows into SMR Developers    147
    • 5.5.1.1 SMR Private Investment         147
    • 5.5.1.2 SMR Listed-Equity Snapshot              148
      • 5.5.1.2.1 Pure-play SMR developers               149
      • 5.5.1.2.2 Fuel-cycle infrastructure  149
      • 5.5.1.2.3 Nuclear-manufacturing conglomerates with SMR exposure     149
      • 5.5.1.2.4 Utility and offtaker exposure          149
  • 5.5.2 Major Investments and Partnerships, 2026  150
    • 5.5.2.1 Big Tech and Hyperscaler SMR Capital Commitments     150
    • 5.5.2.2 M&A and Consolidation        151
      • 5.5.2.2.1 Rescue acquisitions and distressed asset transfers      152
      • 5.5.2.2.2 Strategic consolidation and brand rationalization           152
      • 5.5.2.2.3 Vertical integration by fuel-cycle consolidation 152
      • 5.5.2.2.4 SPAC listings and public-market capital 153
      • 5.5.2.2.5 Strategic equity partnerships and minority investments             153
  • 5.5.3 National SMR Legislation and Special Acts   153
• 5.6 Competitive Landscape 154
  • 5.6.1 Competitive Strategies               154
  • 5.6.2 New Product Developments and Innovations             155
  • 5.6.3 Industrial-User Buyer Consortia           156
    • 5.6.3.1 IANC — Industrial Advanced Nuclear Consortium (Chevron, ConocoPhillips, ExxonMobil, Freeport-McMoRan, Nucor, Rio Tinto, Shell)             156
    • 5.6.3.2 Texas A&M RELLIS — Kairos, Terrestrial, Aalo, Natura (Feb 2025)              157
    • 5.6.3.3 NATO microreactor programme (Last Energy advisory)    157

6. SMR Economics and Business Models 158

• 6.1 Cost Competitiveness Against Alternative Firm Power              158
  • 6.1.1 Large Nuclear, SMRs and Firmed Renewables Compared  158
    • 6.1.1.1 Nuclear energy costs               159
  • 6.1.2 Complementarity with Renewables   160
    • 6.1.2.1 Interaction with variable renewables            160
  • 6.1.3 The Value of Flexible Operation             160
• 6.2 Cost Drivers            160
  • 6.2.1 Sensitivity of SMR Costs to Key Variables      160
    • 6.2.1.1 Project Economics Comparison: Leading LWR SMR Designs       162
• 6.3 From First-of-a-Kind to Nth-of-a-Kind   163
  • 6.3.1 FOAK and NOAK Cost Profiles                163
    • 6.3.1.1 Execution Risks — FOAK-to-NOAK Transition         165
  • 6.3.2 Learning Rates and Series Production              165
    • 6.3.2.1 Learning Curves in Nuclear Construction: US vs. China" 167
• 6.4 Pricing, Contracting and Business Models        168
  • 6.4.1 Financing Models and Investment Strategies               168
• 6.5 Revenue Streams Beyond Power Sales 170
  • 6.5.1 Non-Electric Revenue Opportunities 170
  • 6.5.2 Process Heat and District Heating Revenues               170
  • 6.5.3 Hydrogen and Desalination Revenues              170

7. Markets and Applications 172

• 7.1 Application Landscape   172
  • 7.1.1 Application Requirements        172
    • 7.1.1.1 Industrial Application Requirements and SMR Capability Matching        172
    • 7.1.1.2 Markets and Applications for SMRs               173
  • 7.1.2 Space Applications — Lunar Reactor-1, Space Reactor-1 "Freedom", In-Space Propulsion         174
  • 7.1.3 Defence Applications  175
• 7.2 Maritime Applications     176
  • 7.2.1 Nuclear Propulsion for Merchant Shipping   176
  • 7.2.2 Regulation and Industry Developments          176
  • 7.2.2.1 Marine SMRs — Propulsion, Offshore Platforms, Floating Plants               177
  • 7.2.3 National Nuclear Shipping Programmes        177
  • 7.2.4 Barriers to Commercial Nuclear Shipping     178
    • 7.2.4.1 Maritime Nuclear Regulatory Framework   178
      • 7.2.4.1.1 IAEA ATLAS initiative (2024)            178
      • 7.2.4.1.2 IMO MSC 110 revision of 1981 Code for Nuclear Merchant Ships         178
      • 7.2.4.1.3 Nuclear Energy Maritime Organization (NEMO) 178
• 7.3 Power Generation               179
  • 7.3.1 Coal-to-Nuclear Conversion  179
    • 7.3.1.1 Coal-fired power plant conversion 179
    • 7.3.1.2 Coal repowering         180
  • 7.3.2 Distributed Power and Grid Support  180
    • 7.3.2.1 Electricity Generation — Baseload, Flexibility, Cogeneration       181
    • 7.3.2.2 Remote and Off-Grid Power — Mining, Arctic, Islands, Military  181
• 7.4 AI Data Centres    182
  • 7.4.1 AI-Driven Electricity Demand 182
    • 7.4.1.1 US Data Center Power Gap 182
  • 7.4.2 SMRs as a Data-Centre Power Solution           183
    • 7.4.2.1 Data Center / AI Direct Power             183
    • 7.4.2.2 Hyperscaler offtake deals (Amazon/X-energy, Google/Kairos, Equinix/Oklo)    183
    • 7.4.2.3 Dedicated-SMR data-center campuses (Dow Seadrift, Cottam, Cascade)        183
    • 7.4.2.4 Willingness-to-pay benchmarks — Google/Fervo $107/MWh, Equinix $130/MWh        184
• 7.5 Industrial Energy Applications   184
  • 7.5.1 Industrial Process Heat and District Heating               184
    • 7.5.1.1 Nuclear District Heating        184
    • 7.5.1.2 Strategic co-location of SMRs with industrial facilities     185
    • 7.5.1.3 High-temperature reactors for industrial heat         185
  • 7.5.2 Hydrogen Production and Desalination           185
    • 7.5.2.1 Hydrogen and Industrial Gas Production   185
    • 7.5.2.2 Desalination 186
      • 7.5.2.2.1 Technology pathways          187
      • 7.5.2.2.2 Principal regional markets               187
      • 7.5.2.2.3 Commercial developments and reactor matching          187
      • 7.5.2.2.4 Economics 187
  • 7.5.3 Synthetic Fuels — SAF, Green Methanol, Green Ammonia 187
  • 7.5.4 Three-tier industry categorization: Catalyst / High-Confidence / High-Impact      188
  • 7.5.5 The 11 key industrial sectors: technical requirements profile           189
    • 7.5.5.1 Data centers  190
    • 7.5.5.2 Upstream oil & gas    190
    • 7.5.5.3 Military applications 191
    • 7.5.5.4 Chemicals     192
    • 7.5.5.5 District energy              192
    • 7.5.5.6 Refining oil & gas        193
    • 7.5.5.7 Food & beverage         193
    • 7.5.5.8 Synthetic aviation fuels          194
    • 7.5.5.9 Synthetic maritime fuels       194
    • 7.5.5.10 Iron & steel — EAF, DRI, H2-DRI pathways              195
• 7.6 Matching Technologies to Applications                195
  • 7.6.1 SMR technical-capability matching (heat temperature × sector)    196
• 7.7 Application Deployment Pathways         198

8. Challenges for SMR Deployment 199

• 8.1 Technology and Engineering Challenges             199
  • 8.1.1 Technology Development Priorities    199
  • 8.1.2 Design Maturity, Approvals and Demonstration Plants         199
  • 8.1.3 Equipment and Supply Chain Development 200
  • 8.1.4 Modular Construction and Delivery Innovation          200
• 8.2 Policy and Regulatory Challenges           200
  • 8.2.1 SMR Institutional Frameworks in 2026            201
  • 8.2.2 Regulatory Capacity and Technology-Inclusive Rules            201
  • 8.2.3 Licensing Reform           201
  • 8.2.4 Siting Rules and Emergency Planning               202
  • 8.2.5 SMRs in Power System Planning          202
• 8.3 Financing and Market Design      202
  • 8.3.1 Funding First-of-a-Kind Projects           202
  • 8.3.2 Cost Recovery and Revenue Frameworks      203
• 8.4 Public Acceptance             203
• 8.5 Industrial Strategy              203
  • 8.5.1 Building Integrated Nuclear Ecosystems        203
  • 8.5.2 Export Competitiveness            203

9. Hybrid Energy Systems: SMRs with Storage and Renewables 205

• 9.1 Why Pair SMRs with Energy Storage       205
• 9.2 Hybrid System Configurations   205
  • 9.2.1 Configuration Options 206
    • 9.2.1.1 Integrated Energy Centers — Electricity + Heat + H₂ + Desalination         206
    • 9.2.2 SMRs with Battery Storage       206
    • 9.2.3 SMRs with Thermal Energy Storage    207
    • 9.2.4 SMR, Renewables and Storage Hybrids           207
      • 9.2.4.1 "Bridge Power" gas-to-nuclear transition architectures    207
• 9.3 Benefits of Storage Integration   207
  • 9.3.1 Grid Flexibility   207
  • 9.3.2 Plant Utilisation and Efficiency              207
  • 9.3.3 Reliability and Resilience          208
• 9.4 Economics of SMR–Storage Hybrids      208
  • 9.4.1 Cost and Revenue of Storage Integration        208
  • 9.4.2 Second-Life Batteries  208
• 9.5 Projects, Research and Demonstrations            208
  • 9.5.1 Commercial and Licensed Projects   208
  • 9.5.2 Research Programmes and Test Platforms    209
  • 9.5.3 Integration and Safety Interfaces         209
• 9.6 Deployment Pathways     209
  • 9.6.1 Priority Markets for Hybrid Systems   209
  • 9.6.2 Phased Demonstration and Commercialisation       209

10. Market Forecasts and Strategic Outlook 211

• 10.1 Global SMR Market Forecasts 211
  • 10.1.1 Deployment to 2030 211
    • 10.1.1.1 Deployment Timelines and Milestones    212
  • 10.1.2 Scenario Forecasts to 2050 213
    • 10.1.2.1 Market Access Framework — Technical → Addressable → Accessible   213
    • 10.1.2.2 Four Supply Scenarios: Current (7 GW) / Programmatic (120 GW) / Breakout (347 GW) / Transformation (700 GW)      214
    • 10.1.2.3 Four Demand Scenarios: Energy Cost / Energy Security / APS / NZE     215
    • 10.1.2.4 Accessible-market heatmaps — North America (up to 424 GW) and Europe (up to 277 GW), 2035 & 2050   216
    • 10.1.2.5 Delivery Model Innovation Scenario           217
    • 10.1.2.6 Regulatory Modernization Scenario            217
    • 10.1.2.7 Economic Viability Scenario            218
    • 10.1.2.8 Site Availability Scenario    218
    • 10.1.2.9 Capital Access Scenario    218
    • 10.1.2.10 Developer Ecosystem Scenario  218
    • 10.1.2.11 Combined Scenario — Integrated Supply and Demand Pathways       219
    • 10.1.2.12 Long-Term Market Projections Beyond 2047      219
    • 10.1.2.13 Global Energy Mix Scenarios with SMR Integration        219
      • 10.1.2.13.1 Central-case projection (Breakout supply × APS demand)  220
      • 10.1.2.13.2 NZE scenario (Transformation supply × NZE demand)            220
      • 10.1.2.13.3 Energy Cost scenario (Programmatic supply × Energy Cost demand)          220
      • 10.1.2.13.4 Regional deployment concentration   220
  • 10.1.3 Annual Capacity Additions   220
  • 10.1.4 Forecasts by Region  221
    • 10.1.4.1 Regional Market Analysis  223
      • 10.1.4.1.1 North America      223
      • 10.1.4.1.2 Europe       224
      • 10.1.4.1.3 Asia-Pacific            227
      • 10.1.4.1.4 Middle East and Africa     228
      • 10.1.4.1.5 Latin America        228
    • 10.1.4.2 Regional Market Share Evolution (2026 → 2047) 228
  • 10.1.5 Forecasts by Reactor Type     229
    • 10.1.5.1 Technology-by-Technology Trajectory to 2047     230
• 10.2 Demand Drivers in the Forecast             231
• 10.3 Forecasts by Application            232
  • 10.3.1 SMR Applications and Market Share               233
  • 10.3.2 SMR Technical Potential: ~15,000 TWh ≈ 2,200 GW upper bound               233
  • 10.3.3 Market Penetration Analysis 234
• 10.4 SMR-Integrated Energy Storage Market             234
• 10.5 Priority Markets 235
  • 10.5.1 Market Assessment Criteria 235
  • 10.5.2 Market Entry Requirements  236
  • 10.5.3 Phased Market Entry Strategy              237
• 10.6 Market Development Phases   237
• 10.7 Conclusions and Strategic Implications           238
  • 10.7.1 Strategic Implications for Vendors, Customers, and Investors      238
  • 10.7.2 Potential Disruptive Technologies    238
  • 10.7.3 Fusion Energy as Potential Long-Term Competitor                239

11. Company Profiles 240 (61 company profiles)

12. Appendices 375

• 12.1 Research Methodology 375
  • 12.1.1 Methodology Framework        375
  • 12.1.2 Definitions       375
  • 12.1.3 Data Sources  376
  • 12.1.4 Limitations      376
• 12.2 Nine-Criteria Design Evaluation Matrix              377
  • 12.2.1 Application of the Framework — Summary Matrix 377
• 12.3 Study Summaries — Key Peer-Reviewed and Institutional Studies Referenced      379
• 12.4 Maritime Pathway Comparison              380
• 12.5 Glossary 381
• 12.6 Acronyms and Abbreviations   383

13. References 388

List of Tables

• Table 1. Motivation for Adopting SMRs          18
• Table 2. SMR Market Growth Trajectory, 2027–2047            20
• Table 3. Major 2025–2026 SMR policy and funding catalysts          21
• Table 4. Technological trends in Nuclear Small Modular Reactors (SMR)              22
• Table 5. Regulatory landscape for Nuclear Small Modular Reactors        23
• Table 6. Four Supply × Four Demand Scenario Matrix — summary           24
• Table 7. Critical Market Drivers — overview and KPIs          25
• Table 8. Key SMR market developments, March–November 2026              26
• Table 9. Report scope and structure               28
• Table 10. Key physical principles of nuclear power generation     29
• Table 11. Principal reactor components and SMR design approaches    30
• Table 12. Safety Physics Indicators by Reactor Family       31
• Table 13. Ultimate Heat Sink Requirements by Reactor Type         32
• Table 14. Key Components and Systems    33
• Table 15. Established nuclear technologies              34
• Table 16. Structural limitations of large nuclear power plants      36
• Table 17. Generations of nuclear technologies       37
• Table 18. SMR Construction Economics      38
• Table 19. Cost of Capital for SMRs vs. Traditional NPP Projects   38
• Table 20. The Upper Boundary of "Small Modular Reactors" — Design Comparison     42
• Table 21. Advantages and Disadvantages of SMRs               42
• Table 22. Comparison with Traditional Nuclear Reactors 43
• Table 23. SMR Technology Benchmarking  45
• Table 24. Comparison of SMR Types: LWRs, HTGRs, FNRs, and MSRs    47
• Table 25. Quantitative Benchmark — 10 SMR Technologies (scored 1–5)              48
• Table 26. Types of PWR            51
• Table 27. Key Features of Pressurized Water Reactors (PWRs)     53
• Table 28. Comparison of Leading Gen III/III+ Designs         58
• Table 29. Gen-IV Reactor Designs    61
• Table 30. Key Features of Pressurized Heavy Water Reactors        63
• Table 31. Key Features of Boiling Water Reactors (BWRs) 67
• Table 32. HTGRs- Rankine vs. Brayton vs. Combined Cycle Generation  72
• Table 33. Key Features of High-Temperature Gas-Cooled Reactors (HTGRs)       75
• Table 34. Comparing LMFRs to Other Gen IV Types              82
• Table 35. Emerging Technologies and Future Developments in SMRs      89
• Table 36. Core value propositions of SMRs 92
• Table 37. SMR Benefits            92
• Table 38. Comparison of Carbon Emissions — SMRs vs. Other Energy Sources               93
• Table 39. Carbon Emissions Reduction Potential of SMRs, 2027–2047  94
• Table 40. Regional Avoided Emissions at 2047 (Base Case Scenario)      94
• Table 41. Sectoral Avoided Emissions at 2047 (Base Case Scenario)       94
• Table 42. Land Use Comparison — SMRs vs. Traditional Nuclear vs. Renewables          95
• Table 43. Water Usage Comparison — SMRs vs. Traditional Nuclear        96
• Table 44. Structural constraints on SMR deployment          96
• Table 45. SMR Waste Volumes, Categories, and Disposal Pathways        97
• Table 46. Spent Fuel Handling by Reactor Type       97
• Table 47. Environmental Profile by Reactor Type    98
• Table 48. Public Acceptance — 2025 Polling Across Key Markets               99
• Table 49. National SMR policy frameworks, Q4 2026          100
• Table 50. NSTM-3 — Three Parallel Space-Nuclear Programmes 101
• Table 51. US Federal SMR-Related Funding Commitments (2023–2026)              102
• Table 52. UK Nuclear Programme Funding and Milestones (2024–2026)               103
• Table 53. EU PINC €241bn Investment Roadmap — Allocation Summary            104
• Table 54. European National Policy Summary (Q2 2026) 105
• Table 55. Russian SMR programme, Q4 2026          106
• Table 56. International SMR Cooperation Frameworks (Q2 2026)              108
• Table 57. SMR construction and licensing milestones, 2023–2026           109
• Table 58. Major SMR Projects and Their Status, Q2 2026 110
• Table 59. SMR Projects (2026 update)           112
• Table 60. Key Safety Features of SMRs          115
• Table 61. Advanced Manufacturing Techniques      116
• Table 62. SMR Cost Evolution by Delivery Model    117
• Table 63. Regulatory Challenges and Harmonization Efforts         120
• Table 64. SMR Licensing Process Timeline 121
• Table 65. Active NRC Pre-Application Engagements (2025–2026)             122
• Table 66. UK–US Atlantic Partnership for Advanced Nuclear Energy: Key Provisions     124
• Table 67. Global SMR industry indicators, Q4 2026             125
• Table 68. Development Status            126
• Table 69. Job Creation in SMR Industry by Sector, 2047 (Central Case)  127
• Table 70. Forces Driving Industrial Nuclear Adoption         129
• Table 71. Projected Energy Demand (2027–2047) 130
• Table 72. April 2025 Spain–Portugal Blackout — Impacts and Lessons  132
• Table 73. Global Energy Mix Projections, 2027–2047          132
• Table 74. Technical Challenges in SMR Development and Deployment  133
• Table 75. Economic Challenges for SMR Implementation                134
• Table 76. Regulatory Challenges for SMR Adoption (Update 2026)            135
• Table 77. Social and Political Challenges for SMR Implementation           136
• Table 78. Supply Chain Risk Assessment   137
• Table 79. Market Challenges for SMRs          138
• Table 80. SMR Risk Allocation Framework by Counterparty            139
• Table 81. Nuclear industry supply chain ecosystem and leading SMR participants       140
• Table 82. In-house vs. Outsourced Manufacturing — SMR Developer Strategies              141
• Table 83. Long-Lead Component Suppliers and Capacity               143
• Table 84. RPV Supply Capacity vs. Scenario Demand        144
• Table 85. Fuel requirements by SMR technology    145
• Table 86. HALEU Supply — DOE Awards, Producers, Offtake (2024–2026)          145
• Table 87. Global Uranium Mining Capacity Outlook             146
• Table 88. Supply chain bottlenecks and solutions 147
• Table 89. SMR Private Investment (by investor category, 2020–2026)      147
• Table 90. Listed SMR-Related Equities (Q2 2026)  148
• Table 91. Selected SMR investments, partnerships and policy support, 2026   150
• Table 92. Big Tech / Hyperscaler SMR Capital Commitments (2024–2026)          150
• Table 93. Notable SMR M&A and Corporate Events (2024–2026) 151
• Table 94. Dedicated SMR and advanced nuclear legislation, 2024–2026             153
• Table 95. Key provisions of Korea's SMR Special Act            154
• Table 96. Competitive Strategies in SMR     154
• Table 97. New Product Developments and Innovations    155
• Table 98. IANC Founding Members — Industry and Strategic Rationale 156
• Table 99. Comparison of large nuclear plants, SMRs and renewables with ESS                158
• Table 100. Comparative Costs of SMRs with Other Types 159
• Table 101. Key variables in SMR economics and their impact on LCOE  160
• Table 102. Cost Breakdown of SMR Construction and Operation               161
• Table 103. Project Economics Comparison — Leading LWR SMR Designs           162
• Table 104. Project Economics Comparison — Leading Advanced SMR Designs              162
• Table 105. FOAK versus NOAK SMR characteristics             163
• Table 106. FOAK SMR Projects — Status (Q2 2026)             164
• Table 107. FOAK Execution Risk Framework              165
• Table 108. FOAK vs. NOAK SMR Projections — Key Parameters   166
• Table 109. US vs China Nuclear Construction Cost Learning — Historical and Projected           167
• Table 110. SMR electricity pricing and business models   168
• Table 111. Financing Models for SMR Projects         168
• Table 112. Potential non-power revenue streams for SMRs            170
• Table 113. Key SMR applications and requirements             172
• Table 114. Industrial Sector Technical Requirements Analysis    173
• Table 115. Markets and Applications for SMRs        174
• Table 116. Space Nuclear Reactor Programmes (Q2 2026)            175
• Table 117. Nuclear-powered ship concepts: technology options               176
• Table 118. Marine SMR Applications              177
• Table 119. Nuclear-powered ship and floating SMR programmes by country, 2026       177
• Table 120. Maritime Nuclear Regulatory Initiatives (IAEA ATLAS, IMO MSC 110, NEMO)             179
• Table 121. Industrial Process Heat SMR Applications and Reactor Match            179
• Table 122. Electricity Generation SMR Applications            181
• Table 123. Remote / Off-Grid SMR Applications     181
• Table 124. US Data Center Power Supply-Demand Balance, 2024–2030              182
• Table 125. Hyperscaler SMR Offtake Agreements (2024–2026)   183
• Table 126. Data Center / AI Dedicated SMR Projects           183
• Table 127. Willingness-to-pay benchmarks for firm clean power                184
• Table 128. Nuclear District Heating — Key Projects and Technologies    185
• Table 129. Nuclear Hydrogen Production Pathways             186
• Table 130. Nuclear Desalination Applications         186
• Table 131. Synthetic Fuels Applications      188
• Table 132. Three-tier Industry Categorization           188
• Table 133. Key 11 Industrial Sectors — technical requirements summary           189
• Table 134. Technology suitability by application (●●● high, ●● medium, ● low)           196
• Table 135. Heat Demand Breakdown by Temperature Band for Key Industries   197
• Table 136. Recoverable Heat Temperature by Reactor Technology             198
• Table 137. SMR application deployment scenarios, 2027–2047 198
• Table 138. Global SMR technology development priorities by technology family             199
• Table 139. Status of standard design approvals and demonstration reactors, Q4 2026              200
• Table 140. SMR institutional frameworks in leading markets, 2026           201
• Table 141. Construction licensing durations for recent SMR and advanced reactor projects   201
• Table 142. Financial support instruments for first SMR projects  202
• Table 143. Public acceptance challenges and responses                203
• Table 144. Export-oriented SMR ecosystems: national strengths               204
• Table 145. Hybrid energy system configurations with SMRs           206
• Table 146. Integrated Energy Center Examples — Regional Deployment Archetypes    206
• Table 147. Indicative economics of SMR–storage integration        208
• Table 148. Commercial and licensing cases of SMR–storage integration               208
• Table 149. Deployment priorities for SMR hybrid systems by market type             209
• Table 150. Phased demonstration and commercialisation strategy for SMR hybrid systems   209
• Table 151. SMR Deployment Timeline and Phase Characteristics, 2027–2047 212
• Table 152. Project Supply Scenarios — Main Assumptions            215
• Table 153. Energy Demand Scenarios — Assumptions     215
• Table 154. Accessible Market Heatmap — North America, 2035 and 2050          216
• Table 155. Accessible Market Heatmap — Europe, 2035 and 2050           216
• Table 156. Top-Five SMR Accessible Markets by Region (Transformation + APS, 2050) 217
• Table 157. Delivery Model Scenario Bands (2047 GW Outcomes)              217
• Table 158. Developer Ecosystem Consolidation Scenarios (2030 Outcome)      219
• Table 159. Combined Supply × Demand 2047 Outcomes                219
• Table 160. Annual Global SMR Capacity Additions and Cumulative Capacity, 2027–2047       220
• Table 161. Regional Cumulative SMR Capacity, 2047 (Central / Breakout Scenario)      221
• Table 162. SMR Market Size by Region, 2027–2047              222
• Table 163. SMR Construction Revenue by Region 2027–2047 (US$ Billions, Breakout Central Case) 222
• Table 164. US DOE Awards for SMR Deployment (2024–2026)     223
• Table 165. US State-Level SMR Legislation (2025–2026)  224
• Table 166. UK Great British Nuclear / GBE-N Funding Commitments (2024–2026)        225
• Table 167. Rolls-Royce SMR Wylfa Project Economics and Milestones  225
• Table 168. European SMR Country-by-Country Programmes        226
• Table 169. Regional Market Share Evolution, 2027–2047 228
• Table 170. SMR Market Size by Reactor Type, 2027–2047 229
• Table 171. SMR Construction Revenue by Reactor Technology 2027–2047 (US$ Billions)         229
• Table 172. Technology Trajectory by Reactor Family, 2027–2047 (Central Case)              231
• Table 173. Key demand drivers of SMR market growth and their weight in the central case       231
• Table 174. Six Critical Market Drivers — Status and Inflection Events      231
• Table 175. SMR Market Size by Application, 2027–2047   232
• Table 176. SMR Applications and Their Market Share, 2027–2047             233
• Table 177. SMR Technical Potential by Industry and Region (2050)           233
• Table 178. SMR Market Penetration by Segment, 2047      234
• Table 179. Criteria for assessing priority SMR markets       235
• Table 180. Competitiveness and entry requirements by market  236
• Table 181. Priorities and phased market entry strategy      237
• Table 182. Key Decision Points and Inflection Events, 2026–2035             237
• Table 183. Fusion vs SMR Commercial Timeline Comparison      239
• Table 184. NuScale VOYGR — SWOT Analysis        321
• Table 185. Rolls-Royce SMR — SWOT Analysis       332
• Table 186. TerraPower Natrium — SWOT Analysis 352
• Table 187. X-energy Xe-100 — SWOT Analysis         367
• Table 188. Nine-Criteria SMR Design Evaluation Framework         377
• Table 189. Nine-Criteria Design Evaluation — Leading SMR Designs (Summary, Q2 2026)       377
• Table 190. Maritime Pathway Comparison — Floating Power Plants vs. Marine Propulsion vs. Offshore Platforms          380
• Table 191. Acronyms and Abbreviations      383

List of Figures

• Figure 1. Global SMR Market Growth Trajectory, 2027–2047          21
• Figure 2. Six Critical Drivers Activation Diagram — 7 GW to 700 GW         26
• Figure 3. Evolution of nuclear energy systems by generation         34
• Figure 4. Indicative comparison of large nuclear plants, LWR SMRs and microreactors              39
• Figure 5. Schematic of Small Modular Reactor (Integral PWR) operation               41
• Figure 6. Core outlet temperature range by SMR technology family and industrial heat thresholds     44
• Figure 7. SMR Coolant Temperature Hierarchy and Applications 45
• Figure 8. Pressurized Water Reactors            51
• Figure 9. CAREM reactor         56
• Figure 10. Westinghouse Nuclear AP300™ Small Modular Reactor            57
• Figure 11. Advanced CANDU Reactor (ACR-300) schematic          65
• Figure 12. GE Hitachi's BWRX-300   70
• Figure 13. The nuclear island of HTR-PM Demo      77
• Figure 14. U-Battery schematic          78
• Figure 15. Terrestrial Energy's IMSR 80
• Figure 16. Moltex Energy's SSR           81
• Figure 17. GE Hitachi PRISM 84
• Figure 18. Leadcold SEALER 85
• Figure 19. TerraPower's Natrium        86
• Figure 20. Russian BREST-OD-300  87
• Figure 21. SCWR schematic 88
• Figure 22. Westinghouse's eVinci     92
• Figure 23. Korea nuclear capacity under the 11th Basic Plan for Electricity Supply and Demand         107
• Figure 24. Status of SMR projects by country, Q4 2026 (number of projects)      110
• Figure 25. SMR Cost Curves Under Four Delivery-Model Generations     118
• Figure 26. SWOT Analysis of the SMR Market            127
• Figure 27. Total Industrial Energy Demand in Selected Industries, North America, 2025–2050              131
• Figure 28. Nuclear SMR Value Chain              141
• Figure 29. SMR Supply Chain Map — Critical Long-Lead Components and Suppliers  143
• Figure 30. Levelised cost of electricity ranges: large nuclear, SMRs and renewables with storage       158
• Figure 31. FOAK-to-NOAK cost trajectory under alternative learning rates            166
• Figure 32. Three-Tier Industry Categorization Diagram      189
• Figure 33. Heat Demand Breakdown by Temperature Band — SMR Technology Matching         197
• Figure 34. Illustrative daily dispatch of an SMR with integrated thermal storage               205
• Figure 35. Global SMR deployment outlook by scenario, 2027–2047 (cumulative GW)                213
• Figure 36. From SMR Technical Potential to Accessible Market    214
• Figure 37. Accessible SMR Market Waterfall — 7 → 700 GW under Four Supply Scenarios         215
• Figure 38. SMR deployment outlook by region, 2030 and 2047 (cumulative GW)             221
• Figure 39. SMR deployment outlook by reactor type, 2027–2047 (cumulative GW)        229
• Figure 40. SMR market development by application, 2030 and 2047 (GW)          232
• Figure 41. Potential market for SMR-integrated energy storage, cumulative investment (US$ billion) 235
• Figure 42. Strategic priority market matrix: attractiveness versus accessibility (bubble size = potential 2047 GW)         236
• Figure 43. ARC-100 sodium-cooled fast reactor     243
• Figure 44. Rendering of a Blykalla small modular reactor nuclear power plant  250
• Figure 45. Design concept of BWXT Advanced Nuclear Reactor  253
• Figure 46. ACP100 SMR          258
• Figure 47. Deep Fission pressurised water reactor schematic      263
• Figure 48. NUWARD SMR design      269
• Figure 49. Design concept of Holtec SMR-160 nuclear power plant          285
• Figure 50. Design concept of Kairos Power fluoride salt-cooled high-temperature reactor        293
• Figure 51. A rendering image of NuScale Power's SMR plant          320
• Figure 52. Oklo Aurora Powerhouse reactor               323
• Figure 53. Design concept of TerraPower molten chloride fast reactor technology         351
• Figure 54. Design concept of Westinghouse eVinci microreactor               364

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The Global Nuclear Small Modular Reactors (SMR) Market 2027-2047

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The Global Nuclear Small Modular Reactors (SMR) Market 2027-2047

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