Helion Energy
Helion Energy is a Fusion Energy company founded in 2013 and based in Everett, USA. It has raised $965M in total funding, most recently a Series F in 2025 at a $5.4B valuation.
Helion builds pulsed non-ignition fusion systems using field-reversed configuration and direct electricity conversion. $500M+ raised; targeting 50 MW facility online by 2028; unique direct-to-electricity architecture bypasses steam turbines.
Microsoft's fusion power partner with a 2028 PPA and a credible near-term commercialization timeline.
helionenergy.com ↗·Fusion Energy·USA·private 
