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Nuscale Power Corp
(:SMR) 

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NuScale Power Corporation is a publicly traded American company that designs and markets small modular reactors. It is headquartered in Portland, Oregon. A 50 MWe version of the design was certified by the US Nuclear Regulatory Commission in January 2023.

Founded: 2007
Founder: Paul G. Lorenzini; José Reyes 
CEO: John L Hopkins  

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At a glance:
  • SMR Commercialization Still Early-Stage: NuScale remains in a pre-commercial/early-commercial phase, with value driven primarily by progress toward deploying its small modular reactor (SMR) design and converting interest into binding customer commitments.
  • Regulatory and Licensing Milestones Are Key Catalysts: Execution depends heavily on successful licensing, design approvals, and ongoing engagement with nuclear regulators; timeline shifts on regulatory milestones can materially impact project schedules and investor expectations.
  • Project Pipeline vs. Conversion Risk: The company’s prospects hinge on turning a project pipeline into firm orders and long-term agreements; cancellations, delays, or weaker-than-expected conversions remain central risks.
  • Funding Needs and Cash Burn Sensitivity: As with many development-stage energy technology companies, operating results are sensitive to R&D and commercialization spend; access to capital (equity, debt, partners, or government support) is an important swing factor.
  • Competitive Landscape and Cost Targets Matter: NuScale competes with other SMR and nuclear developers as well as alternative low-carbon generation; meeting cost, schedule, and performance targets is critical to achieving broad adoption.
Bull Thesis:
  • NRC Design Certification and First-Mover Advantage: NuScale is the only company with an SMR design certified by the U.S. Nuclear Regulatory Commission (NRC), providing a significant regulatory and competitive lead in the crucial U.S. market and a strong foundation for international adoption and streamlined approvals.
  • Surging Global Demand for Decarbonized Baseload Power: The global push for energy security, decarbonization, and reliable baseload electricity generation positions SMRs as a critical solution. NuScale's technology is well-suited to meet these evolving energy needs, especially in regions phasing out fossil fuels.
  • Modular Design and Broad Application Potential: NuScale's modular design allows for flexible deployment and scalability, making it suitable not only for grid-scale electricity but also for industrial heat, hydrogen production, desalination, and powering remote communities, significantly expanding its total addressable market.
  • Strong Government and Strategic Industry Backing: NuScale benefits from substantial government funding and strategic partnerships (e.g., U.S. Department of Energy, international agreements). This backing helps de-risk development, accelerate deployment, and validates the technology's importance for national energy strategies.
Bear Thesis:
  • Absence of Commercial Scale Deployment and Project Delays: NuScale has yet to deploy a commercial-scale reactor, and the recent cancellation of the Carbon Free Power Project (CFPP) highlights significant project execution risks, potential cost overruns, and the challenge of securing firm commitments from customers for first-of-a-kind projects.
  • Increasing Competition from Other SMR and Advanced Reactor Designs: While NuScale has an NRC lead, numerous other companies globally (e.g., GE-Hitachi, Rolls-Royce, X-energy) are developing competing SMR and advanced reactor technologies. Some of these alternatives may offer different advantages in terms of cost, fuel cycle, or specific applications, intensifying market competition.
  • High Upfront Capital Costs and Extended Development Cycles: Despite being 'small' compared to traditional nuclear, SMR projects still require substantial upfront capital investment and face long development and construction timelines. This can deter potential customers and tie up significant financial resources for extended periods, impacting return on investment.
  • Economic Competitiveness Against Evolving Energy Mix: SMRs face a challenge in demonstrating long-term cost competitiveness against increasingly cheaper renewable energy sources (solar, wind) combined with advanced battery storage solutions, which are rapidly improving in efficiency and cost. The Levelized Cost of Energy (LCOE) for SMRs needs to be compelling.
Main Competitors:
  • GE Hitachi Nuclear Energy (GEH) ($GE) (BWRX-300 SMR), A joint venture between General Electric and Hitachi, GEH is developing the BWRX-300, a 300 MWe boiling water small modular reactor. It competes directly with NuScale's PWR-based SMR for market share in the global SMR deployment, particularly in North America and Europe, leveraging established industrial backing and a different reactor technology.
  • X-energy (Xe-100 SMR), X-energy is developing the Xe-100, a high-temperature gas-cooled reactor (HTGR) SMR. This advanced reactor design offers potential advantages for industrial heat applications in addition to electricity generation, directly competing with NuScale for clean energy contracts, especially where process heat is a primary requirement.
  • Rolls-Royce SMR ($RR.L) (Rolls-Royce SMR), Rolls-Royce SMR is developing a 470 MWe pressurized water reactor (PWR) SMR, similar in concept to NuScale's but with a larger output per module. They compete for SMR deployment, particularly in the UK and other international markets, leveraging Rolls-Royce's extensive engineering and manufacturing heritage.
  • TerraPower (Natrium Reactor), Backed by Bill Gates, TerraPower is developing advanced nuclear reactors, including the Natrium reactor (a sodium-cooled fast reactor). While a different technology from NuScale's light-water SMR, TerraPower competes for the broader advanced nuclear market, aiming to provide reliable, carbon-free power with potential advantages in fuel efficiency and waste management.
Moat:
NuScale Power Corp holds a significant first-mover advantage, being the first SMR design to receive design certification from the U.S. Nuclear Regulatory Commission (NRC), a major regulatory hurdle. Its light-water reactor technology is well-understood, offering a perceived lower risk profile compared to more novel advanced reactor designs. However, competition is intensifying from other SMR developers offering diverse technologies (e.g., BWRs, HTGRs, sodium-cooled reactors) that may present different operational or economic advantages for specific applications. The market will ultimately be decided by factors such as cost-effectiveness, speed of deployment, regulatory approval in various jurisdictions, and public acceptance, alongside broader competition from other clean energy sources like renewables paired with storage.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 
                      
      revenue
    565,000 1,808,000 8,242,000 8,054,000 13,375,000 34,224,000 475,000 967,000 1,379,000 4,560,000 6,950,000 5,795,000 5,505,000 3,438,000 3,172,000 2,749,000   
      yoy
    -95.78% -94.72% 1635.16% 732.89% 869.91% 650.53% -93.17% -83.31% -74.95% 32.64% 119.10% 110.80%       
      qoq
    -68.75% -78.06% 2.33% -39.78% -60.92% 7105.05% -50.88% -29.88% -69.76% -34.39% 19.93% 5.27% 60.12% 8.39% 15.39%    
      cost of sales
    -544,000 -1,869,000 -5,533,000 -6,273,000 -6,373,000 -3,057,000 -295,000 -850,000 -735,000 -3,840,000 -5,940,000 -5,765,000 -3,416,000 -2,624,000 -1,749,000 -1,739,000   
      gross margin
    21,000 -61,000 2,709,000 1,781,000 7,002,000 31,167,000 180,000 117,000 644,000 720,000 1,010,000 30,000 2,089,000 814,000 1,423,000 1,010,000   
      yoy
    -99.70% -100.20% 1405.00% 1422.22% 987.27% 4228.75% -82.18% 290.00% -69.17% -11.55% -29.02% -97.03%       
      qoq
    -134.43% -102.25% 52.11% -74.56% -77.53% 17215.00% 53.85% -81.83% -10.56% -28.71% 3266.67% -98.56% 156.63% -42.80% 40.89%    
      gross margin %
    3.72% -3.37% 32.87% 22.11% 52.35% 91.07% 37.89% 12.10% 46.70% 15.79% 14.53% 0.52% 37.95% 23.68% 44.86% 36.74% NaN%  
      research and development expenses
    12,805,000 13,545,000 11,054,000 11,802,000 9,131,000 9,370,000 12,160,000 12,132,000 13,155,000 37,823,000 63,725,000 26,932,000 25,715,000 36,091,000 34,317,000 28,628,000   
      general and administrative expenses
    24,839,000 44,816,000 519,222,000 22,523,000 23,264,000 22,694,000 17,021,000 16,827,000 19,359,000 17,984,000 16,402,000 16,323,000 14,695,000 18,621,000 18,473,000 15,443,000 5,147,286  
      other expenses
    19,901,000 14,300,000 10,873,000 10,538,000 9,934,000 10,958,000 12,018,000 13,036,000 12,103,000 15,969,000 13,799,000 12,896,000 17,151,000 13,485,000 14,731,000 9,605,000   
      income from operations
    -57,524,000 -72,722,000 -538,440,000 -43,082,000 -35,327,000 -11,855,000 -41,019,000 -41,878,000 -43,973,000 -71,056,000 -92,916,000 -56,121,000 -55,472,000 -67,383,000 -66,098,000 -52,666,000 -5,147,286  
      yoy
    62.83% 513.43% 1212.66% 2.88% -19.66% -83.32% -55.85% -25.38% -20.73% 5.45% 40.57% 6.56% 977.69%      
      qoq
    -20.90% -86.49% 1149.80% 21.95% 197.99% -71.10% -2.05% -4.76% -38.12% -23.53% 65.56% 1.17% -17.68% 1.94% 25.50% 923.18%   
      operating margin %
    -10181.24% -4022.23% -6532.88% -534.91% -264.13% -34.64% -8635.58% -4330.71% -3188.76% -1558.25% -1336.92% -968.44% -1007.67% -1959.95% -2083.80% -1915.82% -Infinity%  
      sponsored cost share
    4,000 32,000 33,000 21,000 63,000 380,000 660,000 2,448,000 3,396,000 6,047,000 20,774,000 16,337,000 17,873,000      
      investment income
    10,835,000 8,878,000 5,761,000                
      income before income taxes
    -46,685,000 -63,812,000 -532,646,000 -37,609,000 -30,053,000 -178,392,000 -45,542,000 -74,438,000 -48,080,000 -56,443,000 -58,328,000 -29,734,000 -35,610,000 -47,190,000 -49,630,000 -21,380,000   
      foreign income taxes
        342,000 1,923,000 12,000            
      net income
    -46,685,000 -63,812,000 -532,646,000 -37,609,000 -30,395,000 -180,315,000 -45,554,000 -74,438,000 -48,080,000 -56,443,000 -58,328,000 -29,734,000 -35,610,000 -47,190,000 -49,630,000 -21,380,000 -15,958,891  
      yoy
    53.59% -64.61% 1069.26% -49.48% -36.78% 219.46% -21.90% 150.35% 35.02% 19.61% 17.53% 39.07% 123.14%      
      qoq
    -26.84% -88.02% 1316.27% 23.73% -83.14% 295.83% -38.80% 54.82% -14.82% -3.23% 96.17% -16.50% -24.54% -4.92% 132.13% 33.97%   
      net income margin %
    -8262.83% -3529.42% -6462.58% -466.96% -227.25% -526.87% -9590.32% -7697.83% -3486.58% -1237.79% -839.25% -513.10% -646.87% -1372.60% -1564.63% -777.74% -Infinity%  
      net loss attributable to noncontrolling interests
    -2,670,000 -12,983,000 -259,327,000 -19,968,000 -16,390,000 -105,340,000 -28,095,000 -46,821,000 -31,508,000 -37,688,000 -39,206,000 -20,211,000 -24,648,000 -34,576,000 -38,923,000 -11,005,000   
      net loss attributable to class a common stockholders
    -44,015,000 -50,829,000 -273,319,000 -17,641,000 -14,005,000 -74,975,000 -17,459,000 -27,617,000 -16,572,000 -18,755,000 -19,122,000 -9,523,000 -10,962,000 -12,614,000 -10,707,000 -2,593,000   
      loss per share of class a common stock:
                      
      basic and diluted
    -0.14 -0.8 -1.85 -0.13 -0.11 -0.77 -0.18 -0.31 -0.21 -0.25 -0.26 -0.13 -0.16 -0.21 -0.23 -0.06   
      weighted-average shares of class a common stock outstanding:
                      
      basic and diluted
    319,712,720 163,731,673 147,685,584 133,417,743 127,718,255 93,249,872 95,197,500 89,553,679 79,585,062 73,386,018 74,836,884 72,125,375 69,684,268 50,763,844 46,417,563 42,028,341   
      change in fair value of warrant liabilities
         -170,030,000 -7,191,000 -36,733,000 -9,045,000 6,460,000 11,076,000 7,199,000    6,120,000   
      interest income
       5,452,000 5,211,000 3,113,000 2,008,000 1,725,000 1,542,000 2,106,000 2,738,000 2,851,000 3,097,000      
      provision for income taxes
                      
      net loss attributable to legacy nuscale llc holders prior to transaction
                   -7,782,000   
      decrease in fair value of warrant liabilities
                -1,108,000      
      department of energy cost share
                 8,320,000 18,377,000 25,177,000   
      increase in fair value of warrant liabilities
                 821,750 -2,833,000    
      other cost share
                 231,500 924,000 -11,000   
      other income
                      
      change in fair value of derivative warrant liabilities
                    -10,835,000  
      income from investments held in trust account
                    23,395  
      weighted-average shares outstanding of class a ordinary shares
                    23,000,000  
      basic and diluted net income per share, class a ordinary shares
                    -0.56  
      weighted-average shares outstanding of class b ordinary shares
                    5,750,000  
      basic and diluted net income per share, class b ordinary shares
                    -0.56  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 
                           
        assets
                           
        current assets
                           
        cash and cash equivalents
      341,129,000 836,417,000 407,585,000 297,695,000 491,422,000 401,556,000 111,628,000 130,934,000 131,990,000 120,265,000 117,470,000 154,409,000 218,164,000 217,685,000 268,608,000 350,823,000      
        short-term investments
      549,000,000 417,800,000 284,200,000 123,051,000 30,000,000 40,000,000 45,000,000       50,000,000 50,000,000       
        restricted cash
      5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 5,100,000 79,164,000 60,192,000 34,182,000 26,532,000 18,900,000       
        prepaid expenses
      4,768,000 4,877,000 7,746,000 3,918,000 3,553,000 3,377,000 10,914,000 11,866,000 14,576,000 19,054,000 21,493,000 8,732,000 7,304,000 5,531,000 6,428,000 7,670,000 73,390 101,192 108,370 171,191 172,090 
        accounts and other receivables
      8,468,000 8,378,000 15,187,000 12,796,000 13,338,000 21,104,000 7,912,000 8,375,000 5,103,000 10,127,000 20,190,000 24,920,000 20,992,000 11,199,000        
        total current assets
      908,465,000 1,272,572,000 719,818,000 442,560,000 543,413,000 471,137,000 180,554,000 156,275,000 156,769,000 154,546,000 159,153,000 188,061,000 246,460,000 284,415,000 347,850,000 373,494,000 649,964 1,086,306 1,298,677 1,488,185 1,856,524 
        property, plant and equipment
      3,181,000 1,924,000 2,118,000 1,846,000 2,284,000 2,421,000 2,756,000 3,150,000 3,553,000 4,116,000 4,632,000 5,237,000 4,506,000 4,770,000 4,972,000 5,325,000      
        in-process research and development
      16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000 16,900,000      
        intangible assets
      483,000 527,000 571,000 616,000 660,000 704,000 749,000 793,000 837,000 882,000 926,000 970,000 1,015,000 1,059,000 1,103,000 1,148,000      
        goodwill
      8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000 8,255,000      
        long-lead material work in process
      65,092,000 63,767,000 63,315,000 64,338,000 44,987,000 43,388,000 41,609,000 41,227,000 40,317,000 36,361,000 30,765,000           
        investments
      118,634,000 32,954,000 61,991,000 69,168,000                  
        other assets
      27,317,000 15,613,000 10,167,000 2,769,000 1,599,000 1,868,000 2,461,000 2,633,000 3,185,000 3,798,000 8,731,000 5,949,000 5,054,000 6,704,000 6,263,000 2,109,000      
        total assets
      1,148,327,000 1,412,512,000 883,135,000 606,452,000 618,098,000 544,673,000 253,284,000 229,233,000 229,816,000 224,858,000 308,526,000 309,464,000 332,390,000 348,635,000 404,243,000 407,231,000 232,994,297 233,407,245 233,615,163 233,801,679 234,164,226 
        liabilities and equity
                           
        current liabilities
                           
        accounts payable and accrued expenses
      21,558,000 286,515,000 403,415,000 64,629,000 47,609,000 47,947,000 17,897,000 19,098,000 45,851,000 44,925,000 35,880,000 28,072,000 43,738,000 27,951,000 31,910,000 24,135,000      
        accrued compensation
      7,243,000 8,280,000 8,700,000 6,299,000 5,605,000 7,330,000 7,749,000 5,734,000 5,412,000 8,546,000 9,588,000 6,403,000 6,442,000 9,038,000 9,052,000 5,647,000      
        other accrued liabilities
      728,000 648,000 560,000 1,376,000 1,141,000 1,356,000 1,848,000 1,540,000 1,518,000 1,664,000 1,515,000 1,672,000 1,511,000 1,568,000 1,459,000 657,000      
        deferred revenue
      1,409,000 613,000 630,000 299,000 574,000 762,000 78,000 78,000 206,000 898,000 33,381,000 23,779,000 1,078,000 856,000 1,131,000 794,000      
        total current liabilities
      30,938,000 296,056,000 445,628,000 104,926,000 87,256,000 89,722,000 80,558,000 58,817,000 85,104,000 87,458,000 81,483,000 36,147,000 51,691,000 38,557,000 42,421,000 30,439,000 5,055,965 345,022 355,612 103,721 87,082 
        noncurrent liabilities
      7,185,000 2,570,000 2,209,000 2,321,000 1,008,000 1,650,000   1,048,000 1,442,000 1,832,000 2,076,000 2,433,000 2,786,000 2,995,000 2,848,000      
        total liabilities
      38,430,000 298,961,000 448,319,000 107,590,000 88,612,000 91,553,000 163,159,000 135,922,000 101,125,000 95,520,000 128,879,000 85,260,000 85,659,000 71,548,000 84,758,000 75,493,000 53,089,965 37,544,022 38,579,612 36,839,721 32,769,082 
        stockholders’ equity
                           
        class a common stock, par value 0.0001...
      32,000 32,000 17,000 13,000 13,000 12,000 10,000 9,000 9,000 8,000 8,000 7,000 7,000 7,000 5,000 4,000      
        class b common stock, par value 0.0001...
      2,000 2,000 13,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 15,000 16,000 16,000 16,000 18,000 18,000      
        additional paid-in capital
      1,943,726,000 1,901,678,000 1,510,720,000 1,101,566,000 1,095,062,000 995,745,000 462,146,000 420,948,000 382,068,000 333,888,000 327,593,000 312,618,000 302,487,000 296,748,000 272,217,000 221,379,000    13,668,974  
        accumulated deficit
      -776,886,000 -732,871,000 -682,042,000 -408,723,000 -391,082,000 -377,077,000 -302,102,000 -284,643,000 -257,026,000 -240,454,000 -221,699,000 -202,577,000 -193,054,000 -182,092,000 -169,478,000 -158,771,000 -52,396,243 -36,437,352 -37,265,024 -8,669,940 -4,236,755 
        total stockholders’ equity excluding noncontrolling interests
      1,166,874,000  828,708,000 692,871,000 704,008,000  160,069,000 136,329,000 125,066,000  105,917,000 110,064,000 109,456,000  102,762,000 62,630,000      
        noncontrolling interests
      -56,977,000 -55,290,000 -393,892,000 -194,009,000 -174,522,000 -165,575,000 -69,944,000 -43,018,000 3,625,000 35,881,000 73,730,000 114,140,000 137,275,000 162,408,000 216,723,000 269,108,000      
        total stockholders' equity
      1,109,897,000 1,113,551,000 434,816,000 498,862,000 529,486,000 453,120,000 90,125,000 93,311,000 128,691,000 129,338,000 179,647,000 224,204,000 246,731,000 277,087,000 319,485,000 331,738,000      
        total liabilities and stockholders' equity
      1,148,327,000 1,412,512,000 883,135,000 606,452,000 618,098,000 544,673,000 253,284,000 229,233,000 229,816,000 224,858,000 308,526,000 309,464,000 332,390,000         
        long-lead material liability
        32,323,000 32,323,000 32,327,000 32,327,000 33,064,000 32,445,000 32,323,000 32,323,000            
        stockholders' equity
                           
        total stockholders' equity excluding noncontrolling interests
       1,168,841,000    618,695,000    93,457,000    114,679,000        
        warrant liabilities
            58,681,000 51,500,000 14,767,000 5,722,000 12,183,000 23,258,000 30,457,000 29,349,000 38,211,000 41,412,000      
        customer deposit
            20,000,000               
        noncurrent accounts payable and accrued expenses
            23,604,000 24,880,000              
        other noncurrent liabilities
            238,000 647,000              
        cfpp liability
                34,500,000           
        long-term contract work in process
                 23,900,000 16,018,000         
        convertible note payable
                           
        mezzanine equity
                           
        convertible preferred units
                           
        common units
                           
        total liabilities, mezzanine equity and stockholders' equity
                   348,635,000 404,243,000 407,231,000      
        accounts receivable
                    22,814,000 15,001,000      
        convertible notes payable
                           
        ​
                      2,022     
        current assets:
                           
        cash
                      576,574 985,114 1,190,307 1,316,994 1,659,434 
        investments held in trust account
                      232,344,333 232,320,939  232,313,494 232,307,702 
        liabilities, class a ordinary shares subject to possible redemption and shareholders' deficit:
                           
        current liabilities:
                           
        accounts payable
                      109,931 305,022 345,062 21,438  
        accrued expenses
                      4,946,034 40,000 10,550 82,283 87,082 
        derivative warrant liabilities
                      39,984,000 29,149,000 30,174,000 28,686,000  
        deferred underwriting fee payable
                      8,050,000 8,050,000   8,050,000 
        commitments and contingencies
                           
        class a ordinary shares subject to possible redemption, 0.0001 par value...
                      232,300,000 232,300,000    
        shareholders' deficit:
                           
        preference shares, 0.0001 par value...
                           
        class a ordinary shares, 0.0001 par value...
                         399 355 
        class b ordinary shares, 0.0001 par value...
                      575 575 575 575 575 
        total shareholders' deficit
                      -52,395,668 -36,436,777 -37,264,449   
        total liabilities, class a ordinary shares subject to possible redemption and shareholders' deficit
                      232,994,297 233,407,245    
        general and administrative expenses
                      5,147,286     
        income from operations
                      -5,147,286     
        other income
                           
        change in fair value of derivative warrant liabilities
                      -10,835,000     
        income from investments held in trust account
                      23,395     
        net income
                      -15,958,891     
        weighted-average shares outstanding of class a ordinary shares
                      23,000,000     
        basic and diluted net income per share, class a ordinary shares
                      -0.56     
        weighted-average shares outstanding of class b ordinary shares
                      5,750,000     
        basic and diluted net income per share, class b ordinary shares
                      -0.56     
        preference shares, 0.0001 par value; 1,000,000 shares authorized; none issued and outstanding
                           
        investments held in brokerage account
                        232,316,486   
        liabilities and shareholders' deficit
                           
        deferred underwriting fees payable
                        8,050,000 8,050,000  
        class a ordinary shares subject to possible redemption, 23,000,000 shares at 10.10 redemption value as of september 30, 2021 and december 31, 2020 respectively
                        232,300,000   
        shareholders' deficit
                           
        total liabilities and shareholders' deficit
                        233,615,163   
        liabilities and shareholders' equity
                           
        ordinary shares subject to possible redemption, 19,006,134 and 18,582,720 shares issued and outstanding as of june 30, 2021 and december 31, 2020 shares at redemption value as of june 30, 2021 and december 31, 2020, respectively
                         191,961,950  
        shareholders' equity:
                           
        total shareholders' equity
                         5,000,008 5,000,001 
        total liabilities and shareholders' equity
                         233,801,679 234,164,226 
        related party receivable
                          25,000 
        long term liabilities:
                           
        warrant liability
                          24,632,000 
        class a ordinary shares subject to redemption, 19,445,064 and 18,582,720 shares at 10.10 at march 31, 2021 and december 31, 2020, respectively
                          196,395,143 
        additional paid in capital
                          9,235,826 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-03-31 
                          
          operating cash flow
                          
          net loss
        -46,685 -663,861,350 -532,646 30,326,996 -30,395,000 -180,315,000 -45,554,000 -74,438,000 -48,080,000  -58,328,000 -29,734,000 -35,610,000 -47,190,000 -49,630,000    
          adjustments to reconcile net loss to operating cash flow:
                          
          depreciation and amortization
        309                  
          equity-based compensation expense
        5,239 19,145,505 4,798 -4,448,303 4,458,000 3,200,000 3,946,000 4,278,000 2,218,000 4,140,000 4,009,000 4,453,000 3,637,000 3,614,000 3,585,000    
          other changes in assets and liabilities:
                          
          prepaid expenses and other assets
        -7,769 -15,709,851 -11,549 228,400 -229,000 7,939,000 798,000 2,955,000 4,721,000 8,334,000 -15,810,000 -2,468,000 -99,000 7,542,000 -7,188,000    
          accounts and other receivables
        -90 9,547,084 -2,394 -7,757,690 7,766,000              
          long-lead material work in process
        -1,325 -17,186,073 1,032      -3,956,000 -5,596,000         
          accounts payable and accrued expenses
        -264,195 238,008,928 337,850 1,308,222 -1,292,000 7,761,000 -1,771,000 -1,616,000 1,343,000 9,416,000 8,503,000 497,000 -170,000 -3,812,000 5,010,000    
          net change in right of use assets and lease liabilities
        107  -53 51,897 -52,000              
          deferred revenue
        768 4,831 469 21,700 -22,000 865,000 41,000 -861,000 -32,483,000 9,602,000 22,701,000 222,000 -275,000 337,000    
          accrued compensation
        -1,037 948,629 2,401 1,722,970 -1,724,000 -419,000 2,015,000 321,000 -3,133,000 -873,000 3,185,000 -39,000 -2,596,000 -14,000 3,406,000    
          net cash from operating activities
        -314,678 -459,354,094 -199,799 22,729,893 -22,786,000 -26,417,000 -12,728,000 -36,032,000 -33,489,000 -73,212,000 -27,675,000 -39,230,000 -43,137,000 -43,881,000 -40,676,000 -63,643,460 -408,540  
          capital expenditures
        -1,522 -67,000  -51,000 -54,000 -1,269,000 -351,000 -588,000 -163,000  
          free cash flows
        -316,200 -459,354,094 -199,799 22,729,893 -22,853,000 -26,417,000 -12,728,000 -36,032,000  -73,263,000 -27,729,000 -40,499,000 -43,488,000 -44,469,000 -40,839,000 -63,643,460 -408,540  
          investing cash flow
                          
          proceeds from sale of short-term investments
        222,800 164,085,212                 
          proceeds from sale of investments
        5,865 91,859,024                 
          purchase of short-term investments
        -344,000 -541,641,012 -243,937 9,896,949 -10,000,000 -20,000,000             
          purchase of investments
        -101,545 -124,751,033 -36,799                
          purchase of property, plant and equipment
        -1,522                  
          net cash from investing activities
        -218,402    9,933,000     -51,000 -54,000 -1,269,000 49,649,000 -588,000 -50,163,000    
          financing cash flow
                          
          proceeds from the issuance of common stock, net of issuance fees
        37,261 1,299,171,630 462,613 -99,657,243 99,757,000 100,806,000 31,201,000 31,027,000 41,614,000 1,969,000         
          proceeds from exercise of common share options
        531  1,189 -2,957,292 2,962,000              
          net cash from financing activities
        37,792 1,305,164,733 463,802 -102,614,535 102,719,000 311,389,000 38,422,000 34,781,000 45,214,000 1,994,000 9,762,000 2,754,000 1,617,000 1,178,000 27,524,000    
          net change in cash, cash equivalents and restricted cash
        -495,288 434,854,971 109,890 -89,969,861 89,866,000 289,928,000 -19,306,000   -71,269,000         
          cash, cash equivalents and restricted cash:
                          
          beginning of period
        841,517 406,249,344 -406,249,344 406,656,000 125,365,000 244,217,000    
          end of period
        346,229 841,104,315 109,890 -496,219,205 496,522,000 289,928,000 -19,306,000 -1,056,000 137,090,000 -71,269,000 -17,967,000 -37,745,000 252,346,000 -43,291,000 -63,315,000    
          summary of noncash investing and financing activities:
                          
          investments that converted into short-term investments
        10,000                  
          accrued foreign income tax withholding to noncontrolling interests
          -415,584 416,000              
          plant, property and equipment in accounts payable
            65,000              
          supplemental disclosures of cash flow information:
                          
          foreign income taxes paid
          -1,598,400 1,600,000              
          depreciation
           -268,471 269,000 379,000 394,000 402,000 490,000 567,000 641,000 557,000 615,000 640,000 666,000    
          amortization of intangibles
           -43,911 44,000 44,000 44,000 45,000 44,000 44,000 44,000 45,000 44,000 44,000 44,000    
          provision for credit losses
             943,000             
          change in fair value of warrant liabilities
             170,030,000 7,191,000   -6,460,000 -11,076,000        
          loss on disposal of property, plant and equipment
                73,000          
          impairment of intangible asset
             71,000          
          long-lead material liability
         -32,326,996   -737,000 619,000            
          lease liability
             -410,000 -403,000 -401,000 -398,000 -411,000 -570,000 -570,000 -150,000 -238,000 -454,000    
          insurance proceeds for property, plant and equipment
                          
          purchases of property, plant and equipment
            -67,000     -51,000 -54,000 -1,269,000 -351,000 -588,000 -163,000    
          net cash (used) provided by investing activities
             4,956,000             
          proceeds from exercise of warrants
                          
          proceeds from exercise of common stock options
                          
          foreign income tax withholding to nci interests
                          
          warrants converted into equity
                         
          cash paid for income taxes
                          
          disposal of property, plant and equipment
                         
          gain on insurance proceeds received for damage to property, plant and equipment
                         
          nonrefundable customer deposit
                          
          insurance proceeds received for damage to property, plant and equipment
                         
          sale of short-term investments
           -19,980,000 20,000,000      50,000,000      
          loss on disposal of plant property and equipment
                          
          long-term contract work in process
            -1,609,000  -382,000            
          net noncash change in right of use assets and lease liabilities
             206,000 -87,000 -97,000 -90,000 -2,130,000 -240,000 355,000 -345,000 -6,946,000 8,528,000    
          changes in assets and liabilities:
                          
          accounts receivable
               -3,272,000 5,024,000 10,063,000 4,730,000 -3,928,000 -9,793,000 11,615,000 -7,813,000    
          deferred doe cost share
                        
          proceeds from transaction
                        
          payments of transaction costs
                        
          proceeds from exercise of common unit options
                        
          repurchase of common units
                        
          issuance of treasury units
                        
          assumption of transaction warrant liabilities
                        
          debt converted to equity
                        
          conversion of equity options to liability award
                        
          proceeds from exercise of warrants and common share options
              7,221,000 3,754,000 3,600,000 25,000 1,895,000 2,754,000 1,617,000 1,178,000     
          change in the fair value of warrant liabilities
                9,045,000    1,108,000      
          net increase in cash, cash equivalents and restricted cash
                11,725,000    8,129,000 -43,291,000     
          net income
                        -15,958,891 8,734,669 
          adjustments to reconcile net income to operating cash flow:
                          
          accrued interest on convertible note payable
                          
          sale (purchase) of short-term investments
                          
          repayment of debt
                          
          proceeds from short-term borrowings
                          
          repayment of short-term borrowings
                          
          proceeds from sale of convertible preferred units
                          
          equity issuance fees
                          
          conversion of accounts payable to convertible preferred units
                          
          cash paid for interest
                          
          cfpp liability
                          
          purchases of short-term investments
                          
          net change in cash and cash equivalents
                          
          cash and cash equivalents:
                          
          cash, cash equivalents and restricted cash
                          
          long-term contract work in process in accounts payable
                    16,018,000      
          proceeds from debt issuance
                          
          capital expenditures in accounts payable
                          
          increase in lease liability
                          
          increase in the fair value of warrant liabilities
                          
          net increase in cash and cash equivalents
                          
          ​
                        2,022  
          cash flows from operating activities:
                          
          adjustments to reconcile net income to net cash from operating activities:
                          
          change in fair value of derivative warrant liabilities
                        10,835,000  
          income from investments held in trust account
                        -23,395  
          changes in operating assets and liabilities:
                          
          prepaid expenses
                        27,803  
          related party receivable
                          
          accounts payable
                        -195,091  
          accrued expenses
                        4,906,034  
          cash flows from financing activities:
                          
          payment of offering costs
                          
          net change in cash
                        -408,540  
          cash - beginning of the period
                        985,114  
          cash - ending of the period
                        576,574  
          basic and diluted net income per ordinary share:
                          
          numerator:
                          
          allocation of net income
                        -12,767,113  
          denominator:
                          
          basic and diluted weighted-average ordinary shares outstanding
                        23,000,000  
          basic and diluted net income per ordinary share
                        -0.56  
          change in fair value of derivative liabilities
                          
          gain on marketable securities (net), dividends and interest, held in trust account
                          
          formation and operating cost paid through the issuance of ordinary shares to sponsor
                          
          advances from related party
                          
          offering costs paid
                          
          net decrease in cash
                          
          cash - beginning of period
                          
          cash - end of period
                          
          supplemental disclosure of noncash investing and financing activities:
                          
          initial classification of class a ordinary shares subject to possible redemption
                          
          accretion of class a ordinary shares to redemption value
                          
          deferred offering costs included in accrued expenses
                          
          deferred offering costs paid through promissory note — related party
                          
          deferred offering costs paid through the issuance of ordinary shares to sponsor
                          
          balance sheet
                          
          ordinary shares subject to possible redemption
                          
          shareholders’ equity
                          
          preference shares - 0.0001 par value
                          
          class a ordinary shares - 0.0001 par value
                          
          class b ordinary shares - 0.0001 par value
                          
          additional paid-in-capital
                          
          accumulated deficit
                          
          total shareholders’ equity
                          
          offering costs allocated to derivative warrant liabilities
                          
          payment of formation costs through issuance of class b ordinary shares
                          
          cash flows from investing activities
                          
          cash deposited in trust account
                          
          proceeds from sale of units, net of underwriting discounts paid and reimbursements
                          
          proceeds from sale of private placement warrants
                          
          repayment of promissory note-related party
                          
          supplemental disclosure of noncash financing activities:
                          
          warrant liabilities in connection with initial public offering
                          
          deferred underwriting fee payable
                          
          accrued offering costs
                          
          offering costs paid by sponsor in exchange for founder shares
                          
          offering costs paid directly through note payable
                          
          change in value of class a ordinary shares subject to possible redemption
                          
          redeemable class a ordinary shares
                          
          numerator: earnings allocable to redeemable class a ordinary shares
                          
          less: income and franchise tax
                          
          net earnings allocable to redeemable class a ordinary shares
                          
          denominator: weighted-average share outstanding, redeemable class a ordinary shares
                          
          basic and diluted weighted-average shares outstanding, redeemable class a
                          
          basic and diluted net earnings per share, redeemable class a
                          
          non-redeemable class b ordinary shares
                          
          numerator: net income minus redeemable net earnings
                          
          less: net earnings allocable to redeemable class a ordinary shares
                          
          net income attributable to non-redeemable class b ordinary shares
                          
          denominator: weighted-average non-redeemable class b ordinary shares
                          
          basic and diluted weighted-average shares outstanding, non-redeemable class b
                          
          basic and diluted net income per share, non-redeemable class b
                          
          redemable class a ordinary shares
                          
          interest income
                         5,729 
          net earnings
                         5,729 
          denominator: weighted-average redeemable class a ordinary shares
                          
          redeemable class a common stock, basic and diluted
                         23,000,000 
          earnings/basic and diluted redeemable class a ordinary share
                          
          redeemable net earnings
                         5,729 
          non-redeemable net income
                         8,740,398 
          non-redeemable class b ordinary shares, basic and diluted
                         5,750,000 
          income/basic and diluted non-redeemable class b ordinary share
                         1.52 
          redemable class a common stock
                          
          numerator: earnings allocable to redeemable class a common stock
                          
          income and franchise tax
                          
          denominator: weighted-average redeemable lass a common stock
                          
          earnings/basic and diluted redeemable class a common stock
                          
          non-redeemable class b common stock
                          
          denominator: weighted-average non-redeemable class b common stock
                          
          non-redeemable class b common stock, basic and diluted
                          
          loss/basic and diluted non-redeemable class b common stock