LOADING…
LOADING…
Everett, WA, USA · Private · helionenergy.com
Pulsed field-reversed configuration; Microsoft power purchase agreement
Capital raised to date
≈$1.5B raised; one tracker reports $3.2B committed
as of Jun 19, 2026 ($465M round, $15.5B valuation) · thenextweb.com
Open roles
65
▲ 2 since 2026-10-30
Federal awards
$4.0M
1 grants, contracts, loans
Last private raise
$11M
Form D · 2015-06-19
SEC filings
2
latest 2015-07-06
Coming up
OFFTAKE · ORIONAt least 50 MW to Microsoft (contract deadline)
Malaga, WA
fusionenergynews.com →+ THESISHIRING65 open roles (+2 since Oct 30, 2026)
Biggest teams: Electrical Engineering 14, Science 11, Material Science 9, Research & Development 8.
+ THESISCONTRACTFusion companies sign LOIs for federal R&D awards
ANS Nuclear Newswire: The Department of Commerce announced the signing of four letters of intent for federal research and development awards under the CHIPS and Science Act focused on semiconductors and power electronics, including awards for fusion companies Helion and Commonwealth Fusion Systems.
ans.org →+ THESISPOLICYDOE adds helium to the Critical Material List
DOE added helium to its Critical Material List, citing semiconductors, natural-gas leak testing and quantum computing. Helium also cools fusion magnets and high-temperature gas reactors. Affects Fusion, Orion.
+ THESISPROJECTFusion startup Helion is developing new semiconductors that could double output of its power plants
TechCrunch (climate): Helion now has another $225 million to help speed development of its first fusion power plant, due to provide Microsoft with electricity in 2028.
techcrunch.com →+ THESISFUNDING · COMPANY ROUNDCompany round: Thrive Capital (lead) and others$465M
Closed · Series G at $15.5B valuation; company total raised $1.5B
helionenergy.com →+ THESISPROJECT · NUCOR FUSION PLANT (HELION)Nucor and Helion agree to develop a 500 MWe plant; Nucor invests $35M
Site to be selected
power-eng.com →+ THESISFEDERAL AWARDDepartment of Energy grant$4.0M
Staged magnetic compression of frc targets to fusion conditions
usaspending.gov →+ THESISProofPolaris, its seventh-generation machine, is running on deuterium–tritium fuelhelionenergy.com
NextElectricity from Polaris; then Orion (50 MW to Microsoft by 2028)
Supply-chain security
Secured · Contracted · At risk · Unknown — rated only on public evidence; Unknown means nothing has been disclosed.
Sources: company job boards (daily), SEC EDGAR, USAspending.gov, and the reviewed technology spreadsheets. Public records only cover US entities, so foreign companies and private firms that don't file will show gaps.
How it works
Instead of holding plasma steady, these machines form plasma rings or columns and squeeze them hard and fast, making fusion in repeated pulses. Field-reversed configurations, Z-pinches and magnetized-target designs work this way.
OPEN IN 3D →Others on this approach
Funders
Places
Same segment
TAE TechnologiesSHINE TechnologiesGeneral FusionZap EnergyAvalanche EnergyFuse Energy TechnologiesAcceleron FusionHelicity SpaceHorne TechnologiesLPP FusionMIFTINearStar FusionTibbar Plasma TechnologiesEnergy Matter Conversion Corp. (EMC2)Electric Fusion SystemsFirefly FusionLiberty Fusion
Money behind this company's projects. Company-wide raises are listed but not counted in totals.
Read from SEC 8-Ks (bankruptcy, default, delisting, restatement, impairment, restructuring), cash runway in annual reports, Form D raises and the 30-day hiring trend. A prompt to look closer, not a credit rating.
2026-10-302026-11-09
Teams moving over 30 days: Research & Development +3 (now 8), Material Science -1 (now 9), Capacitor Manufacturing +1 (now 5)
By team
By location
Companies file a Form D within 15 days of selling shares privately. “Sold” is the amount raised so far in that offering; amended notices (D/A) update earlier ones.
| First sale | Notice | Offered | Sold |
|---|---|---|---|
| 2015-06-19 | D · filed 2015-07-06 | $21M | $11M |
| 2014-07-29 | D · filed 2014-08-12 | $1.5M | $1.5M |
Matched recipient: HELION ENERGY INC
STEP 2/4 · AT RISK REBCO superconducting tapeHigh-temperature superconducting magnets use a rare-earth barium copper oxide layer.
STEP 3/3 · WATCH Copper-intensive technologiesMagnet coils and stabilizers; also every grid and transmission project.
STEP 3/5 · WATCH Fusion gets its first buyersContracts exist before the technology is proven, so delivery risk stays with the developer.
Critical inputs
Policy that applies
No minerals, policies or partners linked yet. Add them in the review spreadsheet.
2026-10-28 · contract
Fusion companies sign LOIs for federal R&D awardsANS Nuclear Newswire: The Department of Commerce announced the signing of four letters of intent for federal research and development awards under the CHIPS and Science Act focused on semiconductors and power electronics, including awards for fusion companies Helion and Commonwealth Fusion Systems.2026-10-22 · project
Fusion startup Helion is developing new semiconductors that could double output of its power plantsTechCrunch (climate): Helion now has another $225 million to help speed development of its first fusion power plant, due to provide Microsoft with electricity in 2028.Only Form D notices on file (shown at left).