Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Fusion startup Helion has raised $465 million in a Series G funding round, bringing its total funding to $1.5 billion. The company aims to deploy its first fusion power plant for Microsoft by 2028 using a unique magnetic compression technology.
Why it matters
Helion's progress represents a high-stakes attempt to commercialize fusion energy, which could fundamentally transform global power generation.
Helion , the fusion startup backed by Sam Altman, announced on Thursday that it had raised $465 million in a new funding round that values the company at $15.5 billion.
The article provides a balanced view, noting both the significant funding and the skepticism from the scientific community.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in