![]() |
市場調查報告書
商品編碼
2106488
小型模組化反應器市場預測(2034 年)—全球分析(按反應器類型、冷卻劑類型、功率輸出、部署模式、應用、最終用戶、建造方法、燃料類型、模組製造方法和地區分類)Small Modular Reactor Market Forecasts to 2034 - Global Analysis By Reactor Type, Coolant Type, Power Capacity, Deployment Mode, Application, End User, Construction Type, Fuel Type, Module Manufacturing Approach, and By Geography |
||||||
預計到 2026 年,全球小型模組化反應器 (SMR) 市場規模將達到 87 億美元,並在預測期內以 13.7% 的複合年成長率成長,到 2034 年將達到 245 億美元。
小型模組化反應器(SMR)是一種先進的核子反應爐,發電容量通常可達300兆瓦,其設計採用模組化建造、工廠化生產和靈活部署。這些核子反應爐具有許多優勢,例如初始資本投資減少、建造週期縮短、安全性更高,以及能夠適應偏遠地區和各種應用情境。市場涵蓋多種冷卻劑類型,包括水冷、氣冷、液態金屬冷卻、熔鹽冷卻以及其他冷卻技術,發電容量範圍包括50兆瓦以下、51-100兆瓦和101-300兆瓦三個區間。全球能源需求的成長、對脫碳的日益重視、政府對先進核能技術的支持以及對可靠、低碳基本負載電力的需求,是推動全球各地市場擴張的主要因素。
全球能源需求不斷成長,並專注於脫碳
全球能源需求不斷成長以及減少溫室氣體排放的緊迫性是小型模組化反應器(SMR)市場發展的關鍵促進因素。 SMR 提供了一種低碳、可靠的基本負載電力解決方案,可與太陽能和風能等間歇性再生能源來源形成互補。世界各國政府都在製定雄心勃勃的氣候目標,這需要大幅擴大清潔能源發電能力。核能已成為脫碳策略不可或缺的一部分,因為它能夠實現零排放、高容量發電。 SMR 的模組化設計允許分階段投資和部署,與大規模核能專案相比,降低了財務風險。隨著能源轉型加速和氣候目標日益雄心勃勃,SMR 在多個地區的應用正在加速。
高昂的初始成本和監管/許可方面的挑戰
小型模組化反應器(SMR)開發所需的大量前期投資以及複雜的監管許可流程是限制市場發展的主要因素。 SMR項目仍需大量資本投入,用於設計認證、許可核准以及建造世界上第一座SMR。為大型核子反應爐製定的核能法律規範需要進行調整以適應SMR設計,這為專案進度帶來了不確定性。許可核准流程可能需要數年時間,從而可能延誤專案部署。建造世界上第一座SMR和示範計畫需要大量的資金支持。與新型核子反應爐設計相關的財務風險可能會阻礙私人投資。這些成本和監管障礙可能會影響專案進度和市場准入,從而在短期內限制SMR的普及應用。
對核能發電,核電具有高度柔軟性和負載追蹤能力。
為了平衡間歇性再生能源來源,對靈活發電的需求日益成長,這為小型模組化反應器(SMR)市場帶來了巨大的發展機會。先進的SMR設計增強了負載追蹤能力,使核能發電能夠與波動性較大的可再生能源發電形成互補。 SMR可以根據電網需求調整輸出功率,從而確保電網的穩定性和可靠性。 SMR的模組化結構使其能夠增加發電容量以滿足不斷成長的需求。氫氣生產、海水淡化和製程熱等工業應用也創造了更多市場機會。隨著可再生能源普及率的提高和電網柔軟性變得日益重要,具有更強運行柔軟性的SMR正在擴大市場佔有率並拓展目標市場。
與其他清潔能源技術的競爭
來自其他低碳能源來源(包括可再生能源和大型核能發電)的激烈競爭對小型模組化反應器(SMR)市場的成長構成重大威脅。太陽能和風能的成本正在大幅下降,部署速度也很快。電池技術也不斷進步,有效解決了間歇性問題。大型核能發電廠的建設能夠帶來SMR無法完全複製的規模經濟效益。在未來能源系統的設計中,不同技術的組合可能更受青睞。政策支援也可能轉向成熟可靠的技術。這些競爭可能會限制SMR的市場佔有率,尤其是在可再生能源資源豐富且成本效益高的地區。
新冠疫情對小型模組化反應器(SMR)市場的影響好憂參半。初期,供應鏈中斷、工期延誤和監管流程停滯等問題導致市場受到衝擊。由於工作限制影響了研發活動,工程工期被迫延長。然而,隨著各國政府將能源轉型納入經濟復甦計劃,疫情也進一步提升了人們對清潔能源的關注。同時,人們對能源安全和供應鏈問題的擔憂也日益加劇。在後疫情時代,在政府和業界對能源安全、脫碳和技術創新日益成長的關注下,SMR的研發工作仍在繼續。
在預測期內,水冷式設備預計將佔據最大的市場佔有率。
預計在預測期內,水冷式反應器將佔據最大的市場佔有率,這得益於其技術成熟、完善的法律規範以及業界在水冷核子反應爐設計方面積累的豐富經驗。水冷式小型模組化反應器(SMR)充分利用了現有輕水反應器數十年的運作經驗,擁有久經考驗的安全性能和成熟的供應鏈。該領域受益於全球正在積極研發的多種設計方案,包括一體式壓水器(PWR)和沸水式反應爐)概念。完善的基礎設施和經驗豐富的專業人員正在推動水冷技術的應用。憑藉最多的設計方案和最直接的部署前景,水冷式SMR保持著最大的市場佔有率。
預計在預測期內,50兆瓦以下的細分市場將呈現最高的複合年成長率。
在預測期內,50兆瓦以下的小型模組化反應器(SMR)市場預計將呈現最高的成長率,因為超小型SMR非常適合偏遠社區、礦業和工業應用,這些應用情境對小容量的需求恰好符合市場需求。超小型SMR在特定應用領域具有部署柔軟性和較低的初始投資。該市場在偏遠地區部署方面具有優勢,例如安裝要求寬鬆和物流簡化。人們對離網和工業應用日益成長的興趣正在推動對小容量核子反應爐的需求。隨著SMR技術的進步和新應用的開發,預計該市場將經歷最快的成長。
在整個預測期內,北美地區預計將保持最大的市場佔有率,這得益於積極的小型模組化反應器(SMR)研發項目、政府資金支持以及監管現代化舉措。目前,美國和加拿大正在推動多種SMR設計方案的授權和示範階段。政府支持力道正在加大,包括為示範計畫提供資金以及推動監管現代化。私營部門對SMR技術的強勁投資也不斷擴大。完善的核能基礎設施和供應鏈能力為SMR技術的應用提供了支援。積極的研發項目和大量的投資將使北美地區繼續保持其市場主導地位。
在預測期內,亞太地區預計將呈現最高的複合年成長率,這主要得益於能源需求的成長、核能項目的擴張以及包括中國、印度、俄羅斯和韓國在內的各國政府對小型模組化反應器(SMR)發展的支持。該地區巨大且持續成長的能源需求正在創造巨大的市場機會。中國和俄羅斯正在引領SMR的設計和建設項目。人們對SMR技術的興趣日益濃厚,並在全部區域蔓延。政府的能源安全和脫碳政策正在推動核能發電的擴張。隨著能源需求的成長和SMR計畫的推進,亞太地區正經歷全球成長最快的小型模組化反應器市場之一。
According to Stratistics MRC, the Global Small Modular Reactor Market is accounted for $8.7 billion in 2026 and is expected to reach $24.5 billion by 2034 growing at a CAGR of 13.7% during the forecast period. Small Modular Reactors (SMRs) are advanced nuclear reactors with power capacities typically up to 300 MWe, designed for modular construction, factory fabrication, and flexible deployment. These reactors offer advantages including lower upfront capital investment, reduced construction timelines, enhanced safety features, and suitability for remote locations and diverse applications. The market encompasses various coolant types including water-cooled, gas-cooled, liquid metal-cooled, molten salt-cooled, and other coolant technologies, serving power capacity segments up to 50 MWe, 51-100 MWe, and 101-300 MWe. Growing global energy demand, increasing focus on decarbonization, government support for advanced nuclear technologies, and demand for reliable, low-carbon baseload power are key drivers of market expansion across all regions.
Growing global energy demand and focus on decarbonization
The increasing global energy demand and urgent need to reduce greenhouse gas emissions are primary drivers for the small modular reactor market. SMRs offer a low-carbon, reliable baseload power solution that can complement intermittent renewable sources including solar and wind. Governments worldwide are setting ambitious climate targets that require significant expansion of clean energy capacity. Nuclear energy provides emissions-free electricity generation with high capacity factors, making it an essential component of decarbonization strategies. The modular design of SMRs enables phased investment and deployment, reducing financial risk compared to large-scale nuclear projects. As energy transition accelerates and climate goals become more ambitious, SMR adoption is gaining momentum across multiple regions.
High upfront costs and regulatory licensing challenges
The significant upfront investment required for SMR development and the complex regulatory licensing processes represent major restraints for the market. SMR projects still require substantial capital investment for design certification, licensing, and first-of-a-kind construction. Nuclear regulatory frameworks were developed for large reactors and require adaptation for SMR designs, creating timeline uncertainty. Licensing approval processes can extend over many years, delaying project deployment. First-of-a-kind costs and demonstration projects require significant financial support. The financial risk of new reactor designs may deter private investment. These cost and regulatory barriers affect project timelines and market entry, potentially limiting SMR adoption in the near term.
Increasing demand for flexible and load-following nuclear power
The growing need for flexible power generation to balance intermittent renewable sources presents significant opportunities for SMR market expansion. Advanced SMR designs offer enhanced load-following capabilities, enabling nuclear power to complement variable renewable generation. SMRs can adjust output to match grid demands, providing grid stability and reliability. The modular nature of SMRs enables capacity additions matched to demand growth. Industrial applications including hydrogen production, desalination, and process heat create additional market opportunities. As renewable penetration increases and grid flexibility becomes more valuable, SMRs with enhanced operational flexibility capture growing market share, diversifying the addressable market.
Competition from other clean energy technologies
Intense competition from other low-carbon energy sources including renewable energy and large-scale nuclear poses significant threats to SMR market growth. Solar and wind energy have experienced dramatic cost reductions and rapid deployment. Battery storage is advancing, addressing intermittency challenges. Large-scale nuclear construction offers economies of scale that SMRs may not fully replicate. Future energy system designs may favor different technology combinations. Policy support may shift toward established technologies with proven track records. This competition may limit SMR market share, particularly in regions where renewable resources are abundant and cost-effective.
The COVID-19 pandemic had a mixed impact on the small modular reactor market. Initial disruptions included supply chain interruptions, construction delays, and regulatory process slowdowns. Project timelines were extended as work restrictions affected development activities. However, the pandemic reinforced focus on clean energy as governments included energy transition in economic recovery plans. Growing energy security concerns and supply chain considerations emerged. Post-pandemic, SMR development continues with increased government and industry attention on energy security, decarbonization, and technology innovation.
The Water-Cooled segment is expected to be the largest during the forecast period
The Water-Cooled segment is expected to account for the largest market share during the forecast period, driven by technology maturity, established regulatory frameworks, and broad industry experience with water-cooled reactor designs. Water-cooled SMRs leverage decades of operational experience from existing light water reactors, providing proven safety performance and established supply chains. The segment benefits from multiple designs in active development worldwide, including both integral PWR and boiling water reactor concepts. Extensive infrastructure and skilled workforce experience with water-cooled technology support deployment. With the largest number of designs and nearest-term deployment prospects, water-cooled SMRs maintain the largest market share.
The Up to 50 MWe segment is expected to have the highest CAGR during the forecast period
Over the forecast period, the Up to 50 MWe segment is predicted to witness the highest growth rate, fueled by the suitability of very small SMRs for remote communities, mining operations, and industrial applications where smaller capacity matches demand profiles. Very small SMRs offer deployment flexibility and lower upfront investment for niche applications. The segment benefits from reduced site requirements and simplified logistics for remote location deployment. Growing interest in off-grid and industrial applications creates demand for small capacity reactors. As SMR technology evolves and new applications are developed, this segment delivers the fastest market growth.
During the forecast period, the North America region is expected to hold the largest market share, supported by active SMR development programs, government funding, and regulatory modernization efforts. The United States and Canada are advancing multiple SMR designs through licensing and demonstration phases. Government support including funding for demonstration projects and regulatory modernization is accelerating. Strong private sector investment in SMR technology is developing. Established nuclear infrastructure and supply chain capabilities support deployment. With active development programs and significant investment, North America maintains its dominant market position.
Over the forecast period, the Asia-Pacific region is anticipated to exhibit the highest CAGR, driven by growing energy demand, expanding nuclear programs, and government support for SMR development across countries including China, India, Russia, and South Korea. The region's large and growing energy demand creates substantial market opportunity. China and Russia are advancing SMR designs and construction projects. Growing interest in SMR technology is expanding across the region. Government energy security and decarbonization policies support nuclear expansion. As energy demand grows and SMR programs develop, Asia Pacific delivers the fastest small modular reactor market growth globally.
Key players in the market
Some of the key players in Small Modular Reactor Market include NuScale Power Corporation, GE Vernova Hitachi Nuclear Energy, Westinghouse Electric Company LLC, Rolls-Royce SMR Limited, Holtec International, TerraPower, LLC, X-energy, LLC, Kairos Power, LLC, ARC Clean Technology Canada Inc., Moltex Energy Canada Inc., Seaborg Technologies ApS, Newcleo SA, EDF SA, Korea Hydro & Nuclear Power Co., Ltd., China National Nuclear Corporation (CNNC), Rosatom State Atomic Energy Corporation, Mitsubishi Heavy Industries, Ltd., and BWX Technologies, Inc.
In July 2026, SGE announced plans to construct a 4.2 GW UK Small Modular Reactor fleet consisting of fourteen GE Vernova Hitachi BWRX-300 units across three designated UK sites.
In July 2026, Holtec Nuclear Corporation filed for a Nasdaq initial public offering (IPO) to fund the commercial scaling of its SMR-300 pressurized water reactor program and nuclear service operations.
In June 2026, Videberg Kraft selected Rolls-Royce SMR as its strategic partner to construct three Small Modular Reactors on Sweden's Varo peninsula.
In June 2026, the U.S. Department of Energy confirmed that Kairos Power's advanced reactor project formally transitioned into active construction under a $3.2 billion federal cost-sharing framework.
Note: Tables for North America, Europe, APAC, South America, and Rest of the World (RoW) Regions are also represented in the same manner as above.