Sign inWeekly briefing
Menu
OwnershipPrivately heldSEC Form D filed 2015-07-06; no listing for this SEC registrant in the SEC tickers file · checked Nov 11, 2026
Commercial developmentNot yet assessedWe only state a stage once a source supports it. Having a product on sale does not show it works or makes money.
Investment accessNo accessible investment route verifiedPast private offerings were limited to eligible investors. They are records of earlier sales, not open offers. · checked Nov 11, 2026

Evidence is labelled on each development below (company-reported, regulatory filing or government record), not on the company as a whole. Coverage is not an offer to invest. Private ownership does not imply available shares. Next scheduled recheck: Dec 11, 2026.

13developments published
—US federal obligations on record
0federal awards
Jun 16, 2026latest development

Timeline

  1. Jun 16, 2026 · Project: permissions

    Orion: Radioactive Materials License and Radioactive Air Emissions License for the Orion facility (state radiation licences; Helion's claim that these are the licences needed for plant operations is its own) (permission issued)

    Company-published
  2. Jun 16, 2026 · Project: construction

    Orion: Assembly and office building construction complete; initial earthwork for the generator building began spring 2026 (construction)

    Company-published
  3. Feb 13, 2026 · Project: technical milestone

    Orion: Polaris prototype: measurable deuterium-tritium fusion and 150 million °C plasma temperature, as claimed by Helion; a plasma result, not electricity (testing reported)

    Company-published
  4. Oct 17, 2025 · Project: permissions

    Orion: Conditional use permit approved by a Chelan County hearing examiner (independent press report) (permission issued)

    Secondary report
  5. Oct 15, 2025 · Project: permissions

    Orion: Conditional Use Permit for a High Impact Utility Facility (fusion power generation), decided by the Chelan County hearing examiner; clears the way for permitting and construction of the generator building (permission issued)

    Company-published
  6. Oct 15, 2025 · Project: stated target

    Orion: supply under contract started targeted for 2028

    Company-published
  7. Jul 30, 2025 · Project: permissions

    Orion: SEPA environmental determination (Mitigated Determination of Non-Significance) for the Malaga site; an environmental decision, not a construction or operating permit (permission issued)

    Company-published
  8. Jul 30, 2025 · Project: construction

    Orion: Work begun on the Orion site in Malaga (site work)

    Company-published
  9. May 10, 2023 · Project: customer / offtake

    Orion: Agreement to supply Microsoft electricity from Helion's first fusion plant; Constellation as power marketer and transmission manager (agreement signed)

    Company-published
  10. May 10, 2023 · Project: stated target

    Orion: field demonstration reported targeted for 2024

    Company-published
  11. May 10, 2023 · Project: stated target

    Orion: first power targeted for 2028

    Company-published
  12. Date not stated · Project: stated target

    Orion: commissioning targeted for 2028

    Company-published
  13. Date not stated · Project: stated target

    Orion: field demonstration reported targeted for Date not disclosed

    Company-published

Profile

Legal name
Helion Energy, Inc.
SEC filer
CIK 0001615940 ↗
Incorporated
DE
Coverage
Offering notices + any filings + federal awards

Mix of developments

Project: stated target 5Project: permissions 4Project: construction 2Project: technical milestone 1Project: customer / offtake 1

Watch Helion Energy

Anything new from Helion Energy lands in your digest, with the source beside it. Following is about information, never an investment action. Up to 10 companies or areas on Pro, $49/month.

Follow this companyPreview a sample digest

Projects on record

Projects Helion Energy develops or takes a sourced role in. Each dimension of each unit moves only when a source says so; covering several projects does not imply a complete pipeline.