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X-Energy, Inc.: Q1 FY2026 earnings call

What management said about Q1 FY2026, from the documents filed with the SEC on 4 June 2026: press release. The quarter’s numbers.

Key takeaways

  • Revenue and grant income rose 109%: The company reported total revenues and grant income of $43.4 million, up from $20.8 million a year earlier, including $39.9 million of services revenue and $3.5 million of grant income. Source
  • ARDP work drove the revenue increase: Management attributed most of the increase to a $21.6 million rise in revenue and grant income under the ARDP agreement with the Department of Energy, reflecting more activity and different services performed. Source
  • Net loss widened on warrant revaluation: The net loss was $166.2 million, against $10.2 million a year earlier. The cash flow reconciliation adds back a $108.9 million mark-to-market loss on warrant liabilities. Source
  • Direct costs rose with ARDP activity: Direct costs rose $36.6 million to $65.4 million. Subcontracting costs rose $12.0 million and direct materials rose $11.7 million, both tied to ARDP activity. Source
  • Pipeline stands at 144 reactors: The project pipeline at March 31, 2026 was 144 reactors across the U.S. and U.K., about 11.5 gigawatts electric, assuming each customer exercises its contingent rights in full. Source
  • Total liquidity fell to $944.0 million: Cash and cash equivalents were $224.1 million, short-term investments $449.5 million and long-term investments $270.4 million, down from $1,025.3 million at year-end 2025. Source
  • Operating cash outflow rose 61%: Net cash used in operating activities was $67.3 million, up from $41.9 million, driven by ARDP activity, corporate headcount, and software and contractor costs. Source

“Our first earnings announcement as a public company marks an important moment for X-energy and reflects the progress we are making to commercialize advanced nuclear technology at scale,”

J. Clay Sell, CEO of X-energy

Guidance

AreaPeriodFigureAgainst last quarter
TX-1 fuel facility completion Sourcefirst half of 2028by the first half of 2028

What changed from last quarter

  • New: Shares began trading on Nasdaq under XE on April 24, 2026. The IPO closed on April 27, 2026, with about $1.1 billion in net proceeds. Source
  • New: The company received a Part 70 Special Nuclear Material License from the NRC, covering commercial TRISO-X fuel manufacturing at its first two commercial facilities. Source
  • New: The NRC completed an Environmental Assessment in May for the Dow construction permit application in Seadrift, Texas, and issued a Finding of No Significant Impact. Source
  • New: The company submitted an application to enter the UK Generic Design Assessment process for the Xe-100 HTGR, tied to its partnership with Centrica. Source
  • New: The company signed a supply agreement with SGL Carbon for graphite supply and a memorandum of understanding with IHI Corporation for critical HTGR components. Source
  • New: The company signed a memorandum of understanding with IHI Corporation to explore commercial-grade manufacturing of nuclear-grade HTGR components. Source
  • New: The company announced a collaboration with LG&E and KU, PPL subsidiaries, to explore deploying Xe-100 SMRs in Kentucky. Source
  • New: The company signed a letter of intent with Talen Energy to assess deploying three or more four-unit Xe-100 plants in Pennsylvania and the PJM market. Source

Results and growth drivers

  • Revenue and grant income rose 109%: The company reported total revenues and grant income of $43.4 million, up from $20.8 million a year earlier, including $39.9 million of services revenue and $3.5 million of grant income. Source
  • ARDP work drove the revenue increase: Management attributed most of the increase to a $21.6 million rise in revenue and grant income under the ARDP agreement with the Department of Energy, reflecting more activity and different services performed. Source
  • Net loss widened on warrant revaluation: The net loss was $166.2 million, against $10.2 million a year earlier. The cash flow reconciliation adds back a $108.9 million mark-to-market loss on warrant liabilities. Source

Revenue sources and government funding

  • Grant income held near prior level: Grant income was $3.5 million, compared with $3.7 million in the first quarter of 2025. Source
  • Related-party revenue declined: Related-party revenue was $1.9 million in the quarter, compared with $2.7 million a year earlier. Source
  • DOE reimbursed part of capital spending: Investing outflows included $43.0 million of capital expenditures, partly offset by $28.8 million of DOE reimbursements for capital spending under the ARDP. Source

“As the industry works to bring advanced nuclear technologies to market, we believe our ability to achieve first-of-their-kind regulatory approvals helps to establish a stronger foundation for the future commercialization and deployment of advanced nuclear at scale.”

J. Clay Sell, CEO of X-energy

Costs and operating loss

  • Direct costs rose with ARDP activity: Direct costs rose $36.6 million to $65.4 million. Subcontracting costs rose $12.0 million and direct materials rose $11.7 million, both tied to ARDP activity. Source
  • Headcount added direct labor cost: Direct labor costs rose $11.4 million, which management linked to higher employee headcount supporting ARDP work. Source
  • Corporate payroll and stock pay increased: Selling, general and administrative expenses rose $26.1 million to $44.1 million. Payroll-related costs rose $8.7 million, and unit-based compensation rose $3.1 million on grants made in 2025. Source
  • Contractors and software added cost: Selling, general and administrative expenses rose further by $6.1 million on contractors for corporate projects, and by $5.2 million on professional fees and enterprise software. Source
  • Operating expenses more than doubled: Total operating expenses were $109.5 million, up 133% from $47.1 million, producing an operating loss of $66.1 million. Source

Demand and project pipeline

  • Pipeline stands at 144 reactors: The project pipeline at March 31, 2026 was 144 reactors across the U.S. and U.K., about 11.5 gigawatts electric, assuming each customer exercises its contingent rights in full. Source
  • Three anchor customers named: Management expects Dow, Amazon and Centrica to underpin the initial fleets of Xe-100 reactors. Source
  • Kentucky feasibility work has begun: Early project feasibility activities for the Kentucky utility collaboration have begun and could be supported by a state pilot program with a $75 million grant initiative. Source
  • Talen early-stage development planned: Under the Talen agreement, the parties plan early-stage work covering feasibility studies, site evaluations and a project execution framework. Source

“Our recent IPO enhanced X-energy’s liquidity profile, providing approximately $1.1 billion dollars in net proceeds of additional capital as we work on bringing advanced nuclear technologies to market.”

Daniel Gross, CFO of X-energy

Projects and fuel program progress

  • Energy Northwest project in development: Development work is underway on the first Amazon-backed project, with Energy Northwest. Source
  • Dow project partly DOE-funded: The Dow project is partly funded under the ARDP and would supply electricity and high-temperature industrial steam to Dow’s UCC Seadrift Operations. Source
  • Pebble fuel irradiation under way: Irradiation testing of TRISO-X pebble fuel is in progress at Idaho National Laboratory, in collaboration with the NRC. Source
  • Dow NRC review coordination continues: Coordination with the NRC on the Dow construction permit application for Seadrift, Texas is ongoing. Source

Capital, cash and liquidity

  • IPO proceeds for general corporate use: The company said net IPO proceeds are for working capital and general corporate purposes, which may include R&D, sales and marketing, G&A and capital expenditures. Source
  • Total liquidity fell to $944.0 million: Cash and cash equivalents were $224.1 million, short-term investments $449.5 million and long-term investments $270.4 million, down from $1,025.3 million at year-end 2025. Source
  • Operating cash outflow rose 61%: Net cash used in operating activities was $67.3 million, up from $41.9 million, driven by ARDP activity, corporate headcount, and software and contractor costs. Source
  • Facility construction drove capital spending: Capital expenditures rose $31.7 million, mainly on facility construction, including TX-1. Source
  • Investment purchases drove investing outflow: Purchases of investments of $189.9 million were a main driver of the larger investing outflow. Source
  • No debt outstanding: The company reported no debt outstanding at March 31, 2026 or December 31, 2025. Source

Coming up, as management said on 4 June 2026

  • Kentucky pilot program selections expected: Three projects are expected to be selected under the state pilot program, each receiving up to $25 million. Source

Figures management reported

FigureReported
Project pipeline reactors Source144 reactors across the U.S. and U.K.
Project pipeline capacity Sourceapproximately 11.5 gigawatts electric
Anchor customers SourceDow, Amazon, Centrica

Risks management discussed

  • Regulatory: The UK GDA application is subject to acceptance before the review proceeds through the GDA process. Source
  • Demand: The 144-reactor pipeline figure assumes each customer exercises its contingent rights in full. Source

Earlier plans management reported on

  • Ahead: The NRC completed its review ahead of schedule, following an independent analysis that concluded with a FONSI. Source
  • On track: Vertical construction at TX-1 is underway, and management said the facility remains on schedule. Source

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.