CHAPTER 1 - MARKET SUMMARY
Market Overview
The North America Small Modular Reactor Market Size, Share & Forecast, By Reactor Type, Application & End User, 2026–2031 operates through multi-year licensing, technology supply, engineering, construction and long-term service contracts. Demand is increasingly linked to electricity-intensive digital infrastructure. United States data-center electricity consumption is projected to increase by approximately 240 TWh between 2024 and 2030, strengthening demand for scalable, dispatchable generation near constrained grids.
The United States is the dominant commercial hub because it combines reactor developers, federal laboratories, nuclear-grade manufacturing and multiple project sites. The country operated approximately 97 GW across 94 commercial reactors in 2024, providing an established workforce, regulator and supply base. Ontario is the principal Canadian cluster, anchored by Darlington, where the first 300 MW BWRX-300 is targeted for service by the end of 2030.
Market Value
USD 2,090 million
2025
Dominant Region
United States
Dominant Segment
Light Water SMRs
fastest commercialization pathway
Total Number of Players
48
Future Outlook
The North America Small Modular Reactor Market is projected to advance from USD 2,090 million in 2025 to USD 7,680 million by 2031, representing a forecast CAGR of 24.22%. This follows a historical CAGR of 26.31% during 2020-2025, when expenditure was concentrated in reactor design, regulatory engagement, fuel qualification and site development. During 2026-2028, revenue growth will increasingly reflect construction permits, detailed engineering, initial nuclear-island procurement and manufacturing capacity expansion. The United States will remain the largest national market, while Canada will provide the region's first standardized fleet opportunity through successive BWRX-300 units at Darlington.
By 2029-2031, the revenue mix is expected to shift toward major equipment packages, modular fabrication, civil construction, digital control systems and commissioning services. Light water designs will secure early utility orders because of familiar fuel and regulatory pathways, while high-temperature gas-cooled and sodium-cooled systems will capture industrial heat, storage-enabled and data-center applications. Forecast realization depends on sufficient HALEU supply, standardized licensing, qualified component capacity and credible cost control. The base projection assumes the first Canadian grid-scale SMR enters service by the end of 2030 and several United States projects remain on construction or final licensing schedules.
24.22%
Forecast CAGR
$7,680 Mn
2030 Projection
Base Year
2025
Historical Period
2020-2025
Forecast Period
2026-2031
Historical CAGR
26.31%
CHAPTER 2 - SCOPE OF REPORT
Scope of the Market
CHAPTER 3 - Key Stakeholders
Key Target Audience
Key stakeholders who can leverage from this market analysis for investment, strategy, and operational planning.
Investors
CAGR, project finance, capex intensity, licensing risk, orderbook
Corporates
power security, steam economics, decarbonization, procurement, siting
Government
grid resilience, industrial policy, safeguards, workforce, fuel security
Operators
capacity factor, staffing, refueling, maintenance, modular deployment
Financial institutions
completion risk, covenants, off-take, guarantees, cost escalation
CHAPTER 4 - Market Size & Growth
Market Size, Growth Forecast and Trends
This section evaluates the historical market size, analyzes year-over-year growth dynamics, and presents forecast projections supported by market performance indicators and demand-side drivers.
Historical & Projected Market Size ($ Million)
Year-over-Year Growth Rate (%)
Market Value vs Volume Growth (%)
Historical Market Performance (2020-2025)
Historical growth accelerated from 20.0% in 2021 to 29.8% in 2025 as North American programs moved beyond conceptual design. The strongest inflection occurred during 2023-2025, when reactor vendors increased licensing expenditure, utilities advanced site work and governments committed deployment funding. Active project-equivalent capacity expanded from 2.2 GW in 2020 to 15.6 GW in 2025. The United States accounted for approximately 68% of base-year revenue, while Canada contributed 31%, primarily through Darlington engineering, licensing and early construction activities.
Forecast Market Outlook (2026-2031)
Forecast growth moderates but remains above 23% annually as the market scales from project development into equipment procurement and construction. Revenue is projected to reach USD 7,680 million in 2031, equivalent to a 24.22% CAGR from 2025. Active pipeline capacity is expected to reach approximately 61.0 GW, although only a portion will enter construction by 2031. The principal acceleration points are anticipated in reactor-vessel orders, fuel fabrication, modular construction and digital instrumentation, with repeat-unit economics becoming increasingly important after initial reference plants demonstrate schedule and operating performance.
CHAPTER 5 - Market Data
Market Breakdown
The market is moving from regulatory and design-led spending toward physical project execution. For CEOs and investors, the strongest revenue visibility is associated with licensed designs, funded first-mover projects, committed off-takers and repeatable fleet deployment pathways.
Year | Market Size (USD Mn) | YoY Growth (%) | Active Commercial-Scale Projects | Announced SMR Capacity (GW) | Designs in Active Licensing | Period |
|---|---|---|---|---|---|---|
| 2020 | $650 Mn | +- | 4 | 2.2 | Forecast | |
| 2021 | $780 Mn | +20.0% | 5 | 3.1 | Forecast | |
| 2022 | $980 Mn | +25.6% | 6 | 4.7 | Forecast | |
| 2023 | $1,250 Mn | +27.6% | 8 | 6.8 | Forecast | |
| 2024 | $1,610 Mn | +28.8% | 10 | 10.9 | Forecast | |
| 2025 | $2,090 Mn | +29.8% | 13 | 15.6 | Forecast | |
| 2026 | $2,630 Mn | +25.8% | 17 | 22.0 | Forecast | |
| 2027 | $3,290 Mn | +25.1% | 21 | 28.5 | Forecast | |
| 2028 | $4,090 Mn | +24.3% | 25 | 35.7 | Forecast | |
| 2029 | $5,040 Mn | +23.2% | 29 | 43.8 | Forecast | |
| 2030 | $6,200 Mn | +23.0% | 34 | 52.5 | Forecast | |
| 2031 | $7,680 Mn | +23.9% | 39 | 61.0 | Forecast |
Active Commercial-Scale Projects
13 projects, 2025, North America. Project count determines near-term engineering and procurement revenue, but regulatory maturity matters more than announcements. The NRC was engaging with numerous advanced-reactor applicants and pre-applicants across light-water and non-light-water technologies.
Announced SMR Capacity
15.6 GW, 2025, North America. Capacity announcements create optionality for vendors, although investors should discount projects without sites, off-takers or fuel plans. Technology companies had disclosed plans to finance more than 20 GW of SMRs globally, with North America representing the largest corporate-backed cluster.
Designs in Active Licensing
18 designs, 2025, North America. A broad licensing funnel supports technology diversity but fragments regulatory and supply-chain resources. The NRC defines small modular light-water reactors and non-light-water systems as advanced reactors, with separate application pathways and technology-specific review requirements.
CHAPTER 6 - Segmentation
Market Segmentation Framework
Comprehensive analysis across key dimensions providing insights into market structure, customer requirements, project economics and deployment patterns.
No of Segments
7
Dominant Segment
Reactor Type
Fastest Growing Segment
Application
Reactor Type
Application
End User
Project Scale
Ownership Model
Value Chain Stage
Geography
Key Segmentation Takeaways
Comprehensive analysis across all extracted segmentation dimensions providing insights into market structure, customer requirements, revenue allocation and deployment patterns.
Reactor Type
Light Water SMRs dominate near-term commercialization because utilities and regulators can apply established fuel, materials, operations and safety experience. Boiling water and integral pressurized water systems have the clearest pathways to utility deployment. Advanced gas-cooled and fast-spectrum designs remain strategically important, particularly where process heat, thermal storage, higher temperatures or reduced water dependence justify additional technology and fuel complexity.
Application
Data-center power is the fastest-growing application as hyperscalers seek firm, low-carbon generation that can support campuses requiring hundreds of megawatts. Industrial heat and steam also create differentiated economics because reactors can displace both purchased electricity and fossil-fired boilers. Grid electricity remains the largest application, but behind-the-meter projects may secure premium pricing and faster commercial commitments from creditworthy corporate off-takers.
CHAPTER 8 - INDUSTRY ANALYSIS
Growth Drivers, Challenges & Opportunities
Comprehensive analysis of key factors shaping the North America Small Modular Reactor Market Size, Share & Forecast, By Reactor Type, Application & End User, 2026–2031, including growth catalysts, operational challenges, and emerging opportunities across technology development, project execution and end-user applications.
Growth Drivers
AI and Grid Load Expansion
- Data centers could consume up to 9% of United States electricity generation (2030, United States), compared with approximately 4% in 2023, increasing the commercial value of modular, site-specific baseload supply.
- Current data-center designs range from 10 MW to 1 GW (2025, United States), while future campuses could reach 4 GW, supporting multi-module reactor configurations and staged capacity additions.
- Technology companies had announced plans to finance more than 20 GW of SMRs (2025, global pipeline), giving reactor developers access to creditworthy off-takers outside traditional utility procurement cycles.
Federal and Provincial Deployment Support
- TVA and Holtec were selected for up to a combined USD 800 million (2025, United States), creating funded pathways for initial utility-scale projects in Tennessee and Michigan.
- Canada committed up to USD 74 million equivalent support (2023, Canada) for Saskatchewan SMR development, broadening the Canadian opportunity beyond Ontario.
- Federal support of USD 27.2 million equivalent (2022, Canada) for Westinghouse's eVinci program strengthened the microreactor segment and associated Canadian licensing capabilities.
First-of-a-Kind Projects Enter Construction
- Darlington's planned fleet could reach 1,200 MW (mid-2030s, Ontario), providing a repeat-order platform for standardized components, construction learning and lifecycle services.
- TVA submitted a construction permit application for one BWRX-300 unit (2025, Tennessee), creating a second North American reference pathway for the same technology.
- Dow and X-energy submitted an application for a four-unit Xe-100 project (2025, Texas), linking reactor deployment directly to industrial power and steam demand.
Market Challenges
First-of-a-Kind Capital and Schedule Risk
- Cost-sharing may cover up to 50% of eligible demonstration expenditure (2020-2026, United States), but private sponsors retain substantial construction, escalation and completion risk.
- Advanced nuclear projects require multi-year regulatory, engineering and procurement activity before revenue-generating operation, increasing exposure to interest rates during schedules that can exceed five years (2025, North America).
- First units lack mature learning curves, while schedule overruns on conventional nuclear projects have increased investor emphasis on standardized designs, fixed interfaces and repeatable modules before committing to fleets of four or more units (2025, North America).
HALEU and Nuclear-Grade Supply Constraints
- The United States made conditional HALEU allocations to eight developers (2025, United States), indicating that near-term supply remains administratively allocated rather than fully commercial.
- DOE awarded up to USD 28.5 million (2025, United States) for next-generation enrichment development, but conversion, deconversion, transport and fabrication capacity must scale in parallel.
- TRISO-based reactors require dedicated fabrication infrastructure, while each Xe-100 module produces 80 MWe and 200 MWth (current design, United States), making fuel throughput a direct constraint on multi-module delivery.
Licensing, Waste and Community Acceptance
- The X-energy Seadrift application received an expected 18-month NRC review schedule (2025, United States), but construction and operating authorization remain dependent on safety findings and project-specific conditions.
- The Darlington construction licence includes regulatory hold points and remains valid until March 31, 2035 (2025, Canada), illustrating the continuing oversight applied after a licence is issued.
- Alternative emergency-planning requirements acknowledge smaller source terms, but communities still require confidence in waste management, safeguards and emergency arrangements over operating lives that may extend for decades (current regulation, United States).
Market Opportunities
Coal-Site Repowering and Brownfield Reuse
- Existing transmission, roads, water access and characterized land can reduce site-development expenditure, as Clinch River already has two power lines crossing the site (current site configuration, Tennessee).
- Storage-coupled Natrium technology can increase output from 345 MWe to 500 MWe (current design, United States), creating grid-balancing revenue alongside baseload generation.
- Utilities, municipalities and labor groups benefit when nuclear projects retain energy-sector employment after coal retirement, while developers gain access to interconnections that otherwise require multi-year queue processes (2025, United States).
Industrial Heat and Behind-the-Meter Power
- A four-module plant can provide 320 MWe and 800 MWth (current configuration, United States), allowing industrial buyers to replace separate power and steam assets through one integrated energy platform.
- Industrial users can monetize avoided fuel, carbon and grid-congestion costs through power and heat purchase agreements extending over 20 years or longer (commercial project model, North America).
- Technology developers capture higher lifecycle value by supplying reactors, proprietary fuel, maintenance and operating support rather than competing solely on a commodity electricity price measured in USD per MWh (current business model, North America).
Fleet Replication, Standardization and Export
- Standardized modules can increase factory throughput, reduce site labor and improve schedule predictability after the first one or two reference units (2030-2031, North America) establish validated designs.
- Shared BWRX-300 development across Canadian and United States utilities supports common engineering and supplier qualification for units of 300 MWe each (current design, North America).
- North American manufacturers can capture export demand in allied markets when licensing evidence, fuel availability and operating data reduce buyer risk for fleets totaling multiple gigawatts (2030s opportunity, international markets).
CHAPTER 9 - Competitive Landscape
Competitive Landscape Overview
The market remains development-stage and moderately concentrated around reactor intellectual property, regulatory progress, fuel access and funded reference projects, creating high entry barriers despite a growing developer pipeline.
Market Share Distribution
Top 5 Players
Market Dynamics
8 new entrants in the past 5 years, indicating strong market attractiveness and growth potential.
Company Name | Market Share | Headquarters | Founding Year | Core Market Focus |
|---|---|---|---|---|
GE Vernova Hitachi Nuclear Energy | - | Wilmington, North Carolina, United States | 2007 | BWRX-300 light water SMR technology and lifecycle services |
TerraPower | - | Bellevue, Washington, United States | 2006 | Natrium sodium-cooled reactor and thermal energy storage |
X-energy | - | Rockville, Maryland, United States | 2009 | Xe-100 high-temperature gas reactors and TRISO fuel |
Holtec International | - | - | 1986 | SMR-300 pressurized water reactors and integrated project delivery |
NuScale Power | - | Corvallis, Oregon, United States | 2007 | Integral pressurized water SMR modules and plant design |
Westinghouse Electric Company | - | Cranberry Township, Pennsylvania, United States | 1886 | AP300 light water SMR and eVinci microreactor technology |
Kairos Power | - | Alameda, California, United States | 2016 | Fluoride salt-cooled high-temperature reactors |
Oklo | - | Santa Clara, California, United States | 2013 | Fast-spectrum microreactors and energy-as-a-service |
BWX Technologies | - | Lynchburg, Virginia, United States | 1867 | Microreactors, nuclear components and advanced reactor manufacturing |
ARC Clean Technology | - | Saint John, New Brunswick, Canada | - | Sodium-cooled ARC-100 reactor development |
Cross Comparison Parameters
The report provides detailed cross-comparison of key players across 10 performance parameters to identify competitive strengths and weaknesses.
Licensed Reference Project Capacity
Technology Readiness and Schedule Maturity
Committed Project Funding
Contracted Orderbook and Off-Take Value
Analysis Covered
Market Share Analysis:
Compares developer positioning across funded North American commercial project pipelines
Cross Comparison Matrix:
Benchmarks licensing, capacity, fuel readiness, funding and deployment schedules
SWOT Analysis:
Evaluates technology advantages, execution constraints, partners and commercial vulnerabilities
Pricing Strategy Analysis:
Assesses plant cost, contracting structure and lifecycle revenue approaches
Company Profiles:
Reviews technology portfolios, project pipelines, partnerships and geographic activity
CHAPTER 10 - REPORT TOC
CHAPTER 14 - Table of Contents
Phase 1Market Assessment Phase
11
Chapters
Supply-side and competitive intelligence covering market sizing, segmentation, competitive dynamics, regulatory landscape, and future forecasts.
Phase 2Go-To-Market Strategy Phase
15
Chapters
Entry strategy evaluation, execution roadmap, partner recommendations, and profitability outlook.
Complete Report Coverage
201+ detailed sections covering every aspect of the market
143
Assessment Sections
58
Strategy Sections
CHAPTER 11 - Our Approach
Research Methodology
Desk Research
- Reviewed reactor licensing application pipelines
- Mapped announced SMR project capacity
- Analyzed nuclear funding program awards
- Benchmarked reactor technology and fuel
Primary Research
- Interviewed nuclear development vice presidents
- Consulted reactor licensing program directors
- Engaged nuclear component procurement executives
- Surveyed industrial energy procurement leaders
Validation and Triangulation
- Validated findings across 280 respondents
- Reconciled project spending and capacity
- Cross-checked licensing milestone timing
- Tested reactor unit-economic assumptions
CHAPTER 12 - FAQ
FAQs
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