The Global Nuclear Small Modular Reactors (SMRs) Market
報告摘要
The global Small Modular Reactor market has entered what industry analysts are calling the "Golden Age of Nuclear," with 2025–2026 marking a decisive inflection point in policy, financing, and commercial offtake. SMRs—factory-fabricated nuclear units typically under 300 MWe—are moving from demonstration to deployment as governments, hyperscalers, and heavy industry converge on nuclear as the only scalable source of firm, zero-carbon, high-density power capable of meeting surging AI/data-center load, re-industrialization, and net-zero targets.
Recent funding activity has been unprecedented. In April 2026, the UK's National Wealth Fund committed a £599 million ($805 million) loan facility to Rolls-Royce SMR, anchoring a broader £2.6bn Spending Review allocation and a £2.5bn SMR acceleration package supporting Great British Energy–Nuclear's three-unit Wylfa programme on Anglesey. In the United States, the Trump Administration unveiled a 400 GW-by-2050 nuclear target; the DOE awarded $800 million to TVA/Holtec for Clinch River SMR-300 deployment in December 2025 and launched a $2.7 billion HALEU procurement. The NSTM-3 directive (April 2026) formally established the National Initiative for American Space Nuclear Power, with reactor milestones spanning NASA Space Reactor-1 "Freedom" (2028) through the Department of War mid-power in-space reactor (2031). The EU's PINC roadmap earmarks €241 billion to 2050, Sweden unveiled a SEK 220bn new-nuclear framework, and the World Bank formally reversed its decades-long ban on nuclear financing in June 2025.
Commercial demand is hardening alongside policy. Hyperscalers are signing landmark offtake deals—Amazon/X-energy, Google/Kairos, Equinix/Oklo—with willingness-to-pay benchmarks reaching $107–130/MWh for firm clean power. The Industrial Advanced Nuclear Consortium (IANC), comprising Chevron, ConocoPhillips, ExxonMobil, Freeport-McMoRan, Nucor, Rio Tinto and Shell, was formed in September 2025 to pool demand. Centrica and X-energy announced a 12-SMR plan for North East England; Holtec/EDF UK/Tritax is co-developing SMR-300 at Cottam; and ORLEN Synthos Green Energy is advancing a BWRX-300 fleet across Poland.
Against a potential 700 GW industrial opportunity valued at $0.5–1.5 trillion, delivery-model innovation—from bespoke EPC toward shipyard and mass manufacturing (Prodigy, Blue Energy, Copenhagen Atomics, Aalo, Project Pele)—is targeting a cost descent from ~$125/MWh to $40–70/MWh, positioning SMRs as the backbone technology for 21st-century decarbonized industry.
The Global Nuclear Small Modular Reactors (SMRs) Market 2026–2046 is a comprehensive 363-page strategic intelligence report that maps the commercial, technological, regulatory, and investment landscape of the SMR industry across a twenty-year horizon. It is designed for reactor developers, utilities, industrial offtakers, hyperscalers, financiers, policymakers, EPC contractors, fuel-cycle suppliers, and sovereign infrastructure vehicles evaluating the opportunity to participate in what the report frames as a 700 GW, $0.5–1.5 trillion industrial transformation.
The report opens with an executive synthesis of the "Golden Age of Nuclear" thesis, anchoring six critical market drivers—delivery innovation, regulatory evolution, economic viability, site availability, capital access, and developer-ecosystem maturation—that pace the pathway from today's ~7 GW installed base to a 700 GW transformation scenario by 2050. It provides a rigorous technical overview of every active SMR family (PWRs, PHWRs, BWRs, HTGRs, LMFRs including lead-bismuth designs, MSRs, SCWRs and microreactors), with technology benchmarking across 15+ designs and heat-temperature-to-sector capability matching.
A distinctive contribution is the Market-Access Matrix pairing four supply scenarios (Current 7 GW / Programmatic 120 GW / Breakout 347 GW / Transformation 700 GW) with four demand scenarios (Energy Cost / Energy Security / APS / NZE), generating accessible-market heatmaps for North America (up to 424 GW) and Europe (up to 277 GW). Sectoral deep-dives quantify demand across eleven industrial applications—data centers (75 GW), coal repowering (110 GW), synthetic aviation fuels (203 GW), synthetic maritime fuels (90 GW), chemicals (55 GW), iron & steel (33 GW), refining, food & beverage, district energy, upstream oil & gas, and military (12 GW).
The regulatory chapter covers NRC 10 CFR Part 53, the ADVANCE Act, UK GDA progression, product-based licensing, the Atlantic Partnership for Advanced Nuclear Energy, and maritime frameworks (IAEA ATLAS, IMO MSC 110, NEMO). Policy chapters detail the Trump Administration's 400 GW target, NSTM-3 space nuclear initiative, UK National Wealth Fund architecture, Canada's 27-point plan, and the EU PINC €241bn roadmap.
Additional chapters cover delivery-model evolution (onsite EPC → shipyard → mass manufacturing), HALEU/TRISO supply chains, long-lead component capacity (BWXT, Doosan, HD Hyundai, IHI, SGL Carbon), listed-equity and private-capital flows, hyperscaler offtake economics, fourteen detailed case studies (Wylfa, Palisades, Natrium, Seadrift, Cascade, Norrsundet, Salmisaari, ORLEN, EAGL-1, Jimmy × Cristal Union), and 61 company profiles—providing a single authoritative reference spanning strategy to subcomponent supply.
Report Contents include:
Executive Summary covering the $0.5–1.5 trillion / 700 GW thesis, the "Golden Age of Nuclear" 2025–2026 inflection point, AI & data-center demand anchors, and six critical market drivers.
Full technology review of SMR families: PWRs, PHWRs, BWRs, HTGRs, LMFRs (including LBE designs EAGL-1 and SEALER), MSRs, SCWRs, and microreactors, with benchmarking tables and heat-temperature matching.
Industrial application demand model across eleven sectors: data centers (75 GW), coal repowering (110 GW), synthetic aviation fuels (203 GW), synthetic maritime fuels (90 GW), chemicals (55 GW), iron & steel (33 GW), food & beverage (43 GW), district energy (33 GW), upstream O&G (33 GW), refining (13 GW), military (12 GW).
15,000 TWh / ~2,200 GW technical-potential ceiling with three-tier industry categorization (Catalyst / High-Confidence / High-Impact).
Four Supply × Four Demand market-access matrix (Current 7 GW → Transformation 700 GW) with accessible-market heatmaps for North America (up to 424 GW) and Europe (up to 277 GW) for 2035 and 2050.
Delivery-model cost curves from onsite EPC (~$125/MWh) through standardised EPC, shipyard manufacturing, and mass manufacturing ($40–70/MWh).
Supply-chain analysis of forgings, pressure vessels, HALEU/TRISO fuel, graphite, lithium-7, and molten salt; in-house vs. outsourced strategies.
Hyperscaler & Big Tech offtake chapter: Amazon/X-energy, Google/Kairos, Equinix/Oklo, Microsoft, plus willingness-to-pay benchmarks ($107–130/MWh).
Regulatory framework: NRC 10 CFR Part 53, ADVANCE Act, UK GDA, product-based licensing, Atlantic Partnership, IAEA NHSI, MDEP, and maritime regulation (ATLAS, IMO MSC 110, NEMO).
Policy chapter: Trump 400 GW strategy, NSTM-3 space nuclear initiative, UK NWF/£2.6bn Spending Review, Canada 27-point plan, EU PINC (€241bn), Sweden SEK 220bn framework, World Bank reversal (June 2025).
Regional deep-dives across North America, Europe (UK, France, Sweden, Finland, Norway, Poland, Czech Republic, EU), Asia-Pacific (China, Japan, South Korea, India, Vietnam, Philippines, Indonesia, Singapore), MENA and Latin America.
Competitive landscape: recent 2025–Q2 2026 news tracker, SMR private investment tables, listed-equity snapshot, M&A activity, IANC and Texas A&M buyer consortia.
SMR deployment scenarios: FOAK vs. NOAK, major projects tracker, capacity additions forecast to 2046.
Sectoral deep-dives including space nuclear (NASA "Freedom," Lunar Reactor-1, DoW mid-power reactor), maritime (synthetic fuels vs. direct propulsion), multi-product energy centres.
Fourteen case studies: NuScale VOYGR, Rolls-Royce Wylfa, Holtec Palisades, TerraPower Natrium, X-energy Seadrift & Cascade, Blykalla Norrsundet, Steady Energy Salmisaari, HTR-PM, Akademik Lomonosov, Darlington, FANCO EAGL-1, ORLEN, Jimmy × Cristal Union.
Investment analysis: ROI projections, sovereign vehicles (UK NWF, EU PINC, Sweden SEK 220bn, France EDF), EaaS business models, policy-instrument comparison (ETS, RECs, 30% ITC, CfDs).
61 detailed company profiles covering technology, funding, pipeline, partnerships and contacts.
Appendices: 9-criteria industry evaluation matrix, summary of IAEA/IEA/OECD-NEA/DOE/DNV/EPRI/INL studies, maritime pathway comparison, glossary, acronyms, and full references.
The report's 61 company profiles include Aalo Atomics, ARC Clean Technology, Blue Capsule, Blue Energy, Blykalla (Leadcold), BWX Technologies (BWXT), Centrica, China National Nuclear Corporation (CNNC), Copenhagen Atomics, Deep Fission, Doosan Enerbility, EDF, First American Nuclear (FANCO), Fermi Energia, GE Hitachi Nuclear Energy, General Atomics, HD Hyundai, Helen Oy, Hexana, Holtec International, IHI Corporation, Jimmy Energy, Kairos Power, Kärnfull Next and more alongside additional long-lead component and fuel-cycle suppliers supporting the wider SMR ecosystem.
授權報價
| Single User | $1,200 GBP |
目錄 Table of Contents
1 EXECUTIVE SUMMARY 22
1.1 Market Overview 24
1.1.1 The nuclear industry 24
1.1.2 Nuclear as a source of low-carbon power 25
1.1.3 Challenges for nuclear power 25
1.1.4 Construction and costs of commercial nuclear power plants 26
1.1.5 Renewed interest in nuclear energy 28
1.1.6 Projections for nuclear installation rates 28
1.1.7 Nuclear energy costs 28
1.1.8 SMR benefits 29
1.1.9 Decarbonization 29
1.1.10 The "Golden Age of Nuclear": 2025–2026 policy inflection point 29
1.1.11 AI, data centers and Big Tech as SMR demand anchors 30
1.1.12 The 700 GW industrial opportunity — $0.5–1.5 trillion thesis 30
1.2 Market Forecast 30
1.3 Technological Trends 32
1.4 Regulatory Landscape 34
1.5 Key 2025–2026 Market Catalysts (UK NWF / US NSTM-3 / EU PINC) 35
1.6 Industrial Application Requirements and SMR Capability Matching 35
1.7 Four Supply × Four Demand Scenarios — Market-Access Matrix 36
1.8 Critical Market Drivers 38
2 INTRODUCTION 40
2.1 Definition and Characteristics of SMRs 40
2.2 Established nuclear technologies 42
2.3 History and Evolution of SMR Technology 44
2.3.1 Nuclear fission 44
2.3.2 Controlling nuclear chain reactions 44
2.3.3 Fuels 44
2.3.4 Safety parameters 44
2.3.4.1 Void coefficient of reactivity 44
2.3.4.2 Temperature coefficient 45
2.3.5 Light Water Reactors (LWRs) 46
2.3.6 Ultimate heat sinks (UHS) 46
2.3.7 Learning Curves in Nuclear Construction: US vs. China" 46
2.3.8 Uranium Mining Capacity as Structural Supply Constraint 47
2.4 Advantages and Disadvantages of SMRs 48
2.5 Comparison with Traditional Nuclear Reactors 49
2.6 Current SMR reactor designs and projects 51
2.7 Types of SMRs 54
2.7.1 Designs 54
2.7.2 Coolant temperature 54
2.7.3 The Small Modular Reactor landscape 55
2.7.4 Light Water Reactors (LWRs) 59
2.7.4.1 Pressurized Water Reactors (PWRs) 60
2.7.4.2 Pressurized Heavy Water Reactors (PHWRs) 67
2.7.4.3 Boiling Water Reactors (BWRs) 76
2.7.5 High-Temperature Gas-Cooled Reactors (HTGRs) 81
2.7.5.1 Overview 81
2.7.5.2 Elevated operating temperatures 82
2.7.5.3 Key features 85
2.7.5.4 Examples 87
2.7.6 Fast Neutron Reactors (FNRs) 89
2.7.6.1 Overview 89
2.7.6.2 Key features 90
2.7.6.3 Examples 90
2.7.7 Molten Salt Reactors (MSRs) 91
2.7.7.1 Overview 91
2.7.7.2 Key features 92
2.7.7.3 Examples 92
2.7.8 Microreactors 94
2.7.8.1 Overview 94
2.7.8.2 Key features 95
2.7.8.3 Examples 95
2.7.9 Heat Pipe Reactors 96
2.7.9.1 Overview 96
2.7.9.2 Key features 96
2.7.9.3 Examples 97
2.7.10 Liquid Metal Cooled Reactors 97
2.7.10.1 Overview 97
2.7.10.2 Key features 99
2.7.10.3 Examples 100
2.7.11 Supercritical Water-Cooled Reactors (SCWRs) 101
2.7.11.1 Overview 101
2.7.11.2 Key features 102
2.7.12 Pebble Bed Reactors 103
2.7.12.1 Overview 103
2.7.12.2 Key features 103
2.8 SMR Category Boundary 103
3 MARKET DRIVERS, INDUSTRIAL APPLICATIONS AND DEMAND 105
3.1 Markets and Applications for SMRs 105
3.2 SMR Applications and Market Share 106
3.3 Development Status 107
3.4 Market Challenges for SMRs 108
3.5 Global Energy Mix Projections (2026–2046) 109
3.6 Projected Energy Demand 109
3.7 Industrial Energy Challenges — from Risk to Opportunity 111
3.7.1 Energy security and price volatility 111
3.7.2 Reliability deterioration — April 2025 Spain–Portugal blackout 111
3.7.3 Decarbonization pressure — CBAM, ETS, Scope-3 112
3.8 Three-tier industry categorization: Catalyst / High-Confidence / High-Impact 112
3.9 The 11 key industrial sectors: technical requirements profile 113
3.9.1 Data centers 114
3.9.2 Upstream oil & gas 115
3.9.3 Military applications 115
3.9.4 Chemicals 116
3.9.5 District energy 117
3.9.6 Refining oil & gas 117
3.9.7 Food & beverage 118
3.9.8 Coal repowering 119
3.9.9 Synthetic aviation fuels 119
3.9.10 Synthetic maritime fuels 120
3.9.11 Iron & steel — EAF, DRI, H2-DRI pathways 120
3.10 SMR technical-capability matching (heat temperature × sector) 121
3.11 SMR Technical Potential: ~15,000 TWh ≈ 2,200 GW upper bound 123
3.12 Data Center & AI Power Demand as SMR Growth Engine 124
3.12.1 Hyperscaler offtake deals (Amazon/X-energy, Google/Kairos, Equinix/Oklo) 124
3.12.2 Dedicated-SMR data-center campuses (Dow Seadrift, Cottam, Cascade) 125
3.12.3 Willingness-to-pay benchmarks — Google/Fervo $107/MWh, Equinix $130/MWh 125
3.12.4 US Data Center Power Gap 126
4 TECHNOLOGY OVERVIEW 127
4.1 Design Principles of SMRs 127
4.2 Key Components and Systems 127
4.3 Key Safety Features of SMRs 128
4.4 Advanced Manufacturing Techniques 130
4.5 Modularization and Factory Fabrication 131
4.6 Delivery-Model Evolution — bespoke → standardised → shipyard → mass manufacturing 131
4.6.1 Onsite EPC (current, ~$125/MWh, 10+ years) 133
4.6.2 Standardised onsite EPC ($90–125/MWh, 5–7 years) 133
4.6.3 Shipyard manufacturing ($60–90/MWh, 2–3 years) — Prodigy, Blue Energy 133
4.6.4 Mass manufacturing ($40–70/MWh) — DfMA, Aalo, Copenhagen Atomics, Project Pele 133
4.7 Transportation and Site Assembly 133
4.8 Grid Integration and Load Following Capabilities 134
4.9 Emerging Technologies and Future Developments 134
4.10 Supply Chain & Long-Lead Components 135
4.10.1 Forgings, pressure vessels, steam generators (BWXT, Doosan, HD Hyundai, IHI) 136
4.10.2 Specialty materials — SGL Carbon graphite, lithium-7, molten salt 138
4.10.3 In-house vs. outsourced manufacturing strategies 138
4.10.4 HALEU / TRISO fuel supply chain 139
4.11 "Bridge Power" gas-to-nuclear transition architectures 140
5 REGULATORY FRAMEWORK AND LICENSING 141
5.1 International Atomic Energy Agency (IAEA) Guidelines 141
5.2 Nuclear Regulatory Commission (NRC) Approach to SMRs 141
5.3 European Nuclear Safety Regulators Group (ENSREG) Perspective 142
5.4 Regulatory Challenges and Harmonization Efforts 142
5.5 Licensing Processes for SMRs 142
5.6 Environmental Impact Assessment 143
5.7 Public Acceptance and Stakeholder Engagement 143
5.8 Product-Based Licensing and Type Certification for SMRs 144
5.9 NRC 10 CFR Part 53 — risk-informed, performance-based framework 144
5.10 ADVANCE Act and Executive Order on NRC reform 144
5.11 Pre-Application Engagement Case Studies 145
5.11.1 First American Nuclear (FANCO) EAGL-1 — April 2026 filing 145
5.11.2 Newcleo LFR pre-application (February 2026) 146
5.11.3 TerraPower Natrium — first US advanced-reactor construction permit in a decade 146
5.12 International Regulatory Harmonization Initiatives 146
5.12.1 IAEA Nuclear Harmonization and Standardization Initiative (NHSI) 146
5.12.2 OECD-NEA Multinational Design Evaluation Programme (MDEP) 146
5.12.3 UK–US–Canada Trilateral Regulatory Cooperation 146
5.12.4 Atlantic Partnership for Advanced Nuclear Energy (Sept 2025) 146
5.12.5 EDF NUWARD™ joint regulatory review 147
5.13 Maritime Nuclear Regulatory Framework 147
5.13.1 IAEA ATLAS initiative (2024) 147
5.13.2 IMO MSC 110 revision of 1981 Code for Nuclear Merchant Ships 147
5.13.3 Nuclear Energy Maritime Organization (NEMO) 147
6 MARKET ANALYSIS 149
6.1 Global Market Size and Growth Projections (2026–2046) 149
6.2 Market Segmentation 149
6.2.1 By Reactor Type 149
6.2.2 By Application 150
6.2.3 By Region 151
6.3 SWOT Analysis 153
6.4 Value Chain Analysis 154
6.5 Cost Analysis and Economic Viability 155
6.6 Financing Models and Investment Strategies 156
6.7 Market Access Framework — Technical → Addressable → Accessible 158
6.8 Four Supply Scenarios: Current (7 GW) / Programmatic (120 GW) / Breakout (347 GW) / Transformation (700 GW) 159
6.9 Four Demand Scenarios: Energy Cost / Energy Security / APS / NZE 160
6.10 Accessible-market heatmaps — North America (up to 424 GW) and Europe (up to 277 GW), 2035 & 2050 160
6.11 Regional Market Analysis 162
6.11.1 North America 162
6.11.1.1 United States 162
6.11.1.2 Canada 163
6.11.2 Europe 164
6.11.2.1 United Kingdom — The "Golden Age of Nuclear" 164
6.11.2.2 France 165
6.11.2.3 Russia 165
6.11.2.4 Sweden — SEK 220bn new-nuclear framework; Blykalla Norrsundet 165
6.11.2.5 Finland — Helen Oy SMR subsidiary, LUT test facilities, Steady Energy LDR-50 166
6.11.2.6 Norway — Trondheimsleia Kjernekraft / Norsk Kjernekraft 166
6.11.2.7 Poland — ORLEN Synthos Green Energy BWRX-300 fleet 166
6.11.2.8 Czech Republic — ČEZ 20% stake in Rolls-Royce SMR 166
6.11.2.9 EU — European Industrial Alliance on SMRs, PINC (€241bn to 2050) 166
6.11.2.10 Other European Countries 166
6.11.3 Asia-Pacific 167
6.11.3.1 China — 110 GW nuclear target by 2030 167
6.11.3.2 Japan — PM Sanae Takaichi reactor-restart policy 167
6.11.3.3 South Korea 167
6.11.3.4 India 167
6.11.3.5 Vietnam — Ninh Thuan 1 (Rosatom) revival 168
6.11.3.6 Philippines, Indonesia and Singapore SMR programmes 168
6.11.4 Middle East and Africa 168
6.11.5 Latin America 168
7 COMPETITIVE LANDSCAPE 169
7.1 Competitive Strategies 169
7.2 New Product Developments and Innovations 170
7.3 SMR Private Investment 172
7.4 SMR Listed-Equity Snapshot 173
7.4.1 Pure-play SMR developers 174
7.4.2 Fuel-cycle infrastructure 174
7.4.3 Nuclear-manufacturing conglomerates with SMR exposure 174
7.4.4 Utility and offtaker exposure 174
7.5 Big Tech and Hyperscaler SMR Capital Commitments 175
7.6 M&A and Consolidation 176
7.6.1 Rescue acquisitions and distressed asset transfers 177
7.6.2 Strategic consolidation and brand rationalization 177
7.6.3 Vertical integration by fuel-cycle consolidation 178
7.6.4 SPAC listings and public-market capital 178
7.6.5 Strategic equity partnerships and minority investments 178
7.7 Industrial-User Buyer Consortia 178
7.7.1 IANC — Industrial Advanced Nuclear Consortium (Chevron, ConocoPhillips, ExxonMobil, Freeport-McMoRan, Nucor, Rio Tinto, Shell) 178
7.7.2 Texas A&M RELLIS — Kairos, Terrestrial, Aalo, Natura (Feb 2025) 179
7.7.3 NATO microreactor programme (Last Energy advisory) 179
8 SMR DEPLOYMENT SCENARIOS 180
8.1 First-of-a-Kind (FOAK) Projects 180
8.2 Nth-of-a-Kind (NOAK) Projections and Learning Curves 181
8.3 Deployment Timelines and Milestones 183
8.4 Capacity Additions Forecast (2026–2046) 184
8.5 Market Penetration Analysis 185
8.6 Major SMR Projects Tracker — Global (Q2 2026 snapshot) 186
8.7 Project Economics Comparison: Leading LWR SMR Designs 189
8.8 Job Creation in SMR Industry 190
9 ENVIRONMENTAL IMPACT 193
9.1 Carbon Emissions Analysis — Lifecycle g CO₂e/kWh 193
9.2 Carbon Emissions Reduction Potential (2026–2046) 194
9.3 Land Use Comparison — SMR vs. Traditional Nuclear vs. Renewables 195
9.4 Water Usage Comparison 196
9.5 Nuclear Waste Management — Volumes, Categories, and Disposal Pathways 197
9.6 Spent Fuel Handling by Reactor Type 197
9.7 Environmental Impact of Specific Reactor Types 198
9.8 Public Health and Safety 199
9.9 Social Acceptance and Community Engagement 199
10 POLICY AND GOVERNMENT INITIATIVES 201
10.1 US Federal Nuclear Strategy 201
10.1.1 Trump Administration 400 GW Nuclear-by-2050 Target 201
10.1.2 NSTM-3 — National Security Technology Memorandum on Space Nuclear (April 14, 2026) 201
10.1.3 DOE $800m TVA/Holtec SMR-300 Award (December 2025) 202
10.1.4 DOE $2.7bn HALEU Procurement 202
10.1.5 ADVANCE Act and Executive Orders on NRC reform 202
10.1.6 State-level SMR Policy Landscape 202
10.2 UK — Great British Nuclear and the "Golden Age of Nuclear" 203
10.3 Canada — 27-Point SMR National Action Plan 204
10.4 European Union — PINC (€241bn to 2050) and European Industrial Alliance on SMRs 204
10.5 Sweden — SEK 220bn New-Nuclear Framework 205
10.6 Finland — Helen Oy SMR subsidiary; LUT test facilities; Steady Energy LDR-50 205
10.7 Norway — Trondheimsleia Kjernekraft / Norsk Kjernekraft 205
10.8 Other European National Policies 205
10.9 Japan — PM Sanae Takaichi Reactor-Restart Policy 206
10.10 China — 110 GW Nuclear Target by 2030 207
10.11 South Korea — SMART, KHNP, Industrial Supply Chain 207
10.12 India — Indigenous iPHWR, Thorium Partnerships 207
10.13 Middle East, Africa and Latin America Policies 207
10.14 World Bank June 2025 Nuclear Lending Reversal 208
10.15 International Cooperation and Harmonization 208
10.16 Export Control and Non-Proliferation 209
11 CHALLENGES AND RISKS 210
11.1 Technical Challenges 210
11.1.1 Design Certification and Licensing 211
11.1.2 Fuel Development and Supply 211
11.1.3 Component Manufacturing and Quality Assurance 211
11.1.4 Grid Integration and Load Following 211
11.2 Economic Challenges 211
11.2.1 Capital Costs and Financing 212
11.2.2 Economies of Scale 212
11.2.3 Market Competition from Other Energy Sources 212
11.3 Regulatory Challenges 213
11.3.1 Harmonization of International Standards 214
11.3.2 Site Licensing and Environmental Approvals 214
11.3.3 Liability and Insurance Issues 214
11.4 Social and Political Challenges 214
11.4.1 Public Perception and Acceptance 215
11.4.2 Nuclear Proliferation Concerns 215
11.4.3 Waste Management and Long-Term Storage 215
11.5 Supply Chain Risks 216
11.6 Execution Risks — FOAK-to-NOAK Transition 216
11.7 Geopolitical Risks 217
11.8 Risk Management Framework 217
12 MARKETS AND APPLICATIONS 219
12.1 Electricity Generation — Baseload, Flexibility, Cogeneration 219
12.2 Process Heat for Industrial Applications 220
12.2.1 Strategic co-location of SMRs with industrial facilities 220
12.2.2 High-temperature reactors for industrial heat 220
12.2.3 Coal-fired power plant conversion 220
12.3 Nuclear District Heating 221
12.4 Desalination 222
12.4.1 Technology pathways 223
12.4.2 Principal regional markets 223
12.4.3 Commercial developments and reactor matching 223
12.4.4 Economics 223
12.5 Hydrogen and Industrial Gas Production 224
12.6 Synthetic Fuels — SAF, Green Methanol, Green Ammonia 224
12.7 Remote and Off-Grid Power — Mining, Arctic, Islands, Military 225
12.8 Data Center / AI Direct Power 226
12.9 Marine SMRs — Propulsion, Offshore Platforms, Floating Plants 226
12.10 Space Applications — Lunar Reactor-1, Space Reactor-1 "Freedom", In-Space Propulsion 227
12.11 Defence Applications 228
12.12 Integrated Energy Centers — Electricity + Heat + H₂ + Desalination 229
13 FUTURE OUTLOOK AND SCENARIOS 230
13.1 The Six Critical Market Drivers — Progression to 2046 230
13.2 Delivery Model Innovation Scenario 231
13.3 Regulatory Modernization Scenario 231
13.4 Economic Viability Scenario 232
13.5 Site Availability Scenario 232
13.6 Capital Access Scenario 232
13.7 Developer Ecosystem Scenario 233
13.8 Combined Scenario — Integrated Supply and Demand Pathways 233
13.9 Technology-by-Technology Trajectory to 2046 234
13.10 Regional Market Share Evolution (2026 → 2046) 235
13.11 Strategic Implications for Vendors, Customers, and Investors 235
13.12 Key Decision Points and Inflection Events 2026–2035 236
13.13 Long-Term Market Projections Beyond 2046 237
13.14 Potential Disruptive Technologies 237
13.15 Global Energy Mix Scenarios with SMR Integration 237
13.15.1 Central-case projection (Breakout supply × APS demand) 238
13.15.2 NZE scenario (Transformation supply × NZE demand) 238
13.15.3 Energy Cost scenario (Programmatic supply × Energy Cost demand) 238
13.15.4 Regional deployment concentration 238
13.15.5 Interaction with variable renewables 238
13.16 Fusion Energy as Potential Long-Term Competitor 239
14 COMPANY PROFILES 240 (61 company profiles)
15 APPENDICES 342
15.1 Research Methodology 342
15.1.1 Methodology Framework 342
15.1.2 Definitions 342
15.1.3 Data Sources 343
15.1.4 Limitations 343
15.2 Nine-Criteria Design Evaluation Matrix 344
15.2.1 Application of the Framework — Summary Matrix 345
15.3 Study Summaries — Key Peer-Reviewed and Institutional Studies Referenced 348
15.4 Maritime Pathway Comparison 348
15.5 Glossary 349
15.6 Acronyms and Abbreviations 351
16 REFERENCES 357
圖表清單 List of Tables & Figures
List of Tables
Table 1. Motivation for Adopting SMRs. 23
Table 2. Generations of nuclear technologies. 25
Table 3. SMR Construction Economics. 26
Table 4. Cost of Capital for SMRs vs. Traditional NPP Projects. 27
Table 5. Comparative Costs of SMRs with Other Types. 28
Table 6. SMR Benefits. 29
Table 7. SMR Market Growth Trajectory, 2026–2046. 30
Table 8. Major 2025–2026 SMR policy and funding catalysts. 32
Table 9. Technological trends in Nuclear Small Modular Reactors (SMR). 33
Table 10. Regulatory landscape for Nuclear Small Modular Reactors. 34
Table 11. Industrial Sector Technical Requirements Analysis. 36
Table 12. Four Supply × Four Demand Scenario Matrix — summary. 37
Table 13. Critical Market Drivers — overview and KPIs. 38
Table 14. Established nuclear technologies. 42
Table 15. Safety Physics Indicators by Reactor Family. 45
Table 16. Ultimate Heat Sink Requirements by Reactor Type. 46
Table 17. US vs China Nuclear Construction Cost Learning — Historical and Projected. 47
Table 18. Global Uranium Mining Capacity Outlook. 48
Table 19. Advantages and Disadvantages of SMRs. 48
Table 20. Comparison with Traditional Nuclear Reactors. 49
Table 21. SMR Projects (2026 update). 51
Table 22. SMR Technology Benchmarking. 55
Table 23. Comparison of SMR Types: LWRs, HTGRs, FNRs, and MSRs. 57
Table 24. Quantitative Benchmark — 10 SMR Technologies (scored 1–5). 59
Table 25. Types of PWR. 61
Table 26. Key Features of Pressurized Water Reactors (PWRs). 64
Table 27. Comparison of Leading Gen III/III+ Designs 68
Table 28. Gen-IV Reactor Designs 71
Table 29. Key Features of Pressurized Heavy Water Reactors 73
Table 30. Key Features of Boiling Water Reactors (BWRs). 77
Table 31. HTGRs- Rankine vs. Brayton vs. Combined Cycle Generation. 82
Table 32. Key Features of High-Temperature Gas-Cooled Reactors (HTGRs) 85
Table 33. Comparing LMFRs to Other Gen IV Types. 98
Table 34. The Upper Boundary of "Small Modular Reactors" — Design Comparison. 104
Table 35. Markets and Applications for SMRs. 105
Table 36. SMR Applications and Their Market Share, 2026–2046. 106
Table 37. Development Status. 107
Table 38. Market Challenges for SMRs. 108
Table 39. Global Energy Mix Projections, 2026–2046. 109
Table 40. Projected Energy Demand (2026–2046). 110
Table 41. Forces Driving Industrial Nuclear Adoption. 111
Table 42. April 2025 Spain–Portugal Blackout — Impacts and Lessons. 111
Table 43. Three-tier Industry Categorization. 112
Table 44. Key 11 Industrial Sectors — technical requirements summary. 113
Table 45. Heat Demand Breakdown by Temperature Band for Key Industries. 122
Table 46. Recoverable Heat Temperature by Reactor Technology. 123
Table 47. Hyperscaler SMR Offtake Agreements (2024–2026). 124
Table 48. Data Center / AI Dedicated SMR Projects. 125
Table 49. Willingness-to-pay benchmarks for firm clean power. 125
Table 50. US Data Center Power Supply-Demand Balance, 2024–2030. 126
Table 51. Key Components and Systems. 127
Table 52. Key Safety Features of SMRs. 129
Table 53. Advanced Manufacturing Techniques. 130
Table 54. SMR Cost Evolution by Delivery Model. 132
Table 55. Emerging Technologies and Future Developments in SMRs. 134
Table 56. Long-Lead Component Suppliers and Capacity. 137
Table 57. RPV Supply Capacity vs. Scenario Demand. 138
Table 58. In-house vs. Outsourced Manufacturing — SMR Developer Strategies. 138
Table 59. HALEU Supply — DOE Awards, Producers, Offtake (2024–2026). 139
Table 60. Regulatory Challenges and Harmonization Efforts. 142
Table 61. SMR Licensing Process Timeline. 143
Table 62. Active NRC Pre-Application Engagements (2025–2026). 145
Table 63. UK–US Atlantic Partnership for Advanced Nuclear Energy: Key Provisions. 146
Table 64. Maritime Nuclear Regulatory Initiatives (IAEA ATLAS, IMO MSC 110, NEMO). 148
Table 65. SMR Market Size by Reactor Type, 2026–2046. 149
Table 66. SMR Construction Revenue by Reactor Technology 2026–2046 (US$ Billions). 150
Table 67. SMR Market Size by Application, 2026–2046. 150
Table 68. SMR Market Size by Region, 2026–2046. 151
Table 69. SMR Construction Revenue by Region 2026–2046 (US$ Billions, Breakout Central Case). 152
Table 70. Cost Breakdown of SMR Construction and Operation. 155
Table 71. Financing Models for SMR Projects. 156
Table 72. Project Supply Scenarios — Main Assumptions. 159
Table 73. Energy Demand Scenarios — Assumptions. 160
Table 74. Accessible Market Heatmap — North America, 2035 and 2050. 161
Table 75. Top-Five SMR Accessible Markets by Region (Transformation + APS, 2050). 161
Table 76. US DOE Awards for SMR Deployment (2024–2026). 163
Table 77. US State-Level SMR Legislation (2025–2026). 163
Table 78. UK Great British Nuclear / GBE-N Funding Commitments (2024–2026). 164
Table 79. Rolls-Royce SMR Wylfa Project Economics and Milestones. 165
Table 80. European SMR Country-by-Country Programmes. 166
Table 81. Competitive Strategies in SMR. 169
Table 82. New Product Developments and Innovations. 170
Table 83. SMR Private Investment (by investor category, 2020–2026). 172
Table 84. Listed SMR-Related Equities (Q2 2026). 173
Table 85. Big Tech / Hyperscaler SMR Capital Commitments (2024–2026). 175
Table 86. Notable SMR M&A and Corporate Events (2024–2026). 176
Table 87. IANC Founding Members — Industry and Strategic Rationale. 179
Table 88. FOAK SMR Projects — Status (Q2 2026). 180
Table 89. FOAK vs. NOAK SMR Projections — Key Parameters. 182
Table 90. SMR Deployment Timeline and Phase Characteristics, 2026–2046. 183
Table 91. Annual Global SMR Capacity Additions and Cumulative Capacity, 2026–2046. 184
Table 92. Regional Cumulative SMR Capacity, 2046 (Central / Breakout Scenario). 185
Table 93. SMR Market Penetration by Segment, 2046. 185
Table 94. Major SMR Projects and Their Status, Q2 2026. 186
Table 95. Project Economics Comparison — Leading LWR SMR Designs. 189
Table 96. Project Economics Comparison — Leading Advanced SMR Designs. 190
Table 97. Job Creation in SMR Industry by Sector, 2046 (Central Case). 191
Table 98. Comparison of Carbon Emissions — SMRs vs. Other Energy Sources. 193
Table 99. Carbon Emissions Reduction Potential of SMRs, 2026–2046. 194
Table 100. Regional Avoided Emissions at 2046 (Base Case Scenario). 194
Table 101. Sectoral Avoided Emissions at 2046 (Base Case Scenario). 195
Table 102. Land Use Comparison — SMRs vs. Traditional Nuclear vs. Renewables. 195
Table 103. Water Usage Comparison — SMRs vs. Traditional Nuclear. 196
Table 104. SMR Waste Volumes, Categories, and Disposal Pathways. 197
Table 105. Spent Fuel Handling by Reactor Type. 198
Table 106. Environmental Profile by Reactor Type. 198
Table 107. Public Acceptance — 2025 Polling Across Key Markets. 200
Table 108. NSTM-3 — Three Parallel Space-Nuclear Programmes. 201
Table 109. US Federal SMR-Related Funding Commitments (2023–2026). 202
Table 110. UK Nuclear Programme Funding and Milestones (2024–2026). 203
Table 111. EU PINC €241bn Investment Roadmap — Allocation Summary. 204
Table 112. European National Policy Summary (Q2 2026). 206
Table 113. International SMR Cooperation Frameworks (Q2 2026). 208
Table 114. Technical Challenges in SMR Development and Deployment. 210
Table 115. Economic Challenges for SMR Implementation. 212
Table 116. Regulatory Challenges for SMR Adoption (Update 2026). 213
Table 117. Social and Political Challenges for SMR Implementation. 214
Table 118. Supply Chain Risk Assessment. 216
Table 119. FOAK Execution Risk Framework. 217
Table 120. SMR Risk Allocation Framework by Counterparty. 218
Table 121. Electricity Generation SMR Applications. 219
Table 122. Industrial Process Heat SMR Applications and Reactor Match. 220
Table 123. Nuclear District Heating — Key Projects and Technologies. 221
Table 124. Nuclear Desalination Applications. 222
Table 125. Nuclear Hydrogen Production Pathways. 224
Table 126. Synthetic Fuels Applications. 225
Table 127. Remote / Off-Grid SMR Applications. 225
Table 128. Marine SMR Applications. 226
Table 129. Space Nuclear Reactor Programmes (Q2 2026). 227
Table 130. Integrated Energy Center Examples — Regional Deployment Archetypes. 229
Table 131. Six Critical Market Drivers — Status and Inflection Events. 230
Table 132. Delivery Model Scenario Bands (2046 GW Outcomes). 231
Table 133. Developer Ecosystem Consolidation Scenarios (2030 Outcome). 233
Table 134. Combined Supply × Demand 2046 Outcomes. 233
Table 135. Technology Trajectory by Reactor Family, 2026–2046 (Central Case). 234
Table 136. Regional Market Share Evolution, 2026–2046. 235
Table 137. Key Decision Points and Inflection Events, 2026–2035. 236
Table 138. Fusion vs SMR Commercial Timeline Comparison. 239
Table 139. NuScale VOYGR — SWOT Analysis 302
Table 140. Rolls-Royce SMR — SWOT Analysis. 311
Table 141. TerraPower Natrium — SWOT Analysis. 327
Table 142. X-energy Xe-100 — SWOT Analysis. 337
Table 143. Nine-Criteria SMR Design Evaluation Framework. 344
Table 144. Nine-Criteria Design Evaluation — Leading SMR Designs (Summary, Q2 2026). 345
Table 145. Maritime Pathway Comparison — Floating Power Plants vs. Marine Propulsion vs. Offshore Platforms. 348
Table 146. Acronyms and Abbreviations. 351
List of Figures
Figure 1. Global SMR Market Growth Trajectory, 2026–2046 31
Figure 2. Schematic of Small Modular Reactor (Integral PWR) operation 41
Figure 3. SMR Coolant Temperature Hierarchy and Applications 54
Figure 4. Pressurized Water Reactors. 61
Figure 5. CAREM reactor. 66
Figure 6. Westinghouse Nuclear AP300™ Small Modular Reactor. 67
Figure 7. Advanced CANDU Reactor (ACR-300) schematic. 76
Figure 8. GE Hitachi's BWRX-300. 81
Figure 9. The nuclear island of HTR-PM Demo. 88
Figure 10. U-Battery schematic. 89
Figure 11. TerraPower's Natrium. 90
Figure 12. Russian BREST-OD-300. 91
Figure 13. Terrestrial Energy's IMSR. 93
Figure 14. Moltex Energy's SSR. 94
Figure 15. Westinghouse's eVinci . 96
Figure 16. GE Hitachi PRISM. 100
Figure 17. Leadcold SEALER. 101
Figure 18. SCWR schematic. 102
Figure 19. Total Industrial Energy Demand in Selected Industries, North America, 2025–2050 110
Figure 20. Three-Tier Industry Categorization Diagram 113
Figure 21. Heat Demand Breakdown by Temperature Band — SMR Technology Matching 122
Figure 22. SMR Cost Curves Under Four Delivery-Model Generations 132
Figure 23. SMR Supply Chain Map — Critical Long-Lead Components and Suppliers 136
Figure 24. SWOT Analysis of the SMR Market 153
Figure 25. Nuclear SMR Value Chain 154
Figure 26. From SMR Technical Potential to Accessible Market 158
Figure 27. Accessible SMR Market Waterfall — 7 → 700 GW under Four Supply Scenarios 159
Figure 28. ARC-100 sodium-cooled fast reactor. 242
Figure 29. Rendering of a Blykalla small modular reactor nuclear power plant. 246
Figure 30. Design concept of BWXT Advanced Nuclear Reactor. 249
Figure 31. ACP100 SMR. 252
Figure 32. Deep Fission pressurised water reactor schematic. 254
Figure 33. NUWARD SMR design. 260
Figure 34. Design concept of Holtec SMR-160 nuclear power plant. 273
Figure 35. Design concept of Kairos Power fluoride salt-cooled high-temperature reactor. 280
Figure 36. A rendering image of NuScale Power's SMR plant. 302
Figure 37. Oklo Aurora Powerhouse reactor. 305
Figure 38. Design concept of TerraPower molten chloride fast reactor technology. 326
Figure 39. Design concept of Westinghouse eVinci microreactor. 334
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