Google just backed a 468 million dollar round for a European fusion startup

[Jade]

Google joined a 411 million euro funding round, about 468 million dollars, for Munich based Proxima Fusion, putting the company's valuation at 2.7 billion dollars. The money is meant to help Proxima build what it hopes becomes Europe's first commercial fusion power plant. It is a serious vote of confidence for a company that only raised its first big round, 130 million euros, about a year ago

Proxima is building on stellarator technology rather than the tokamak design that most fusion headlines focus on. The company grew out of Europe's fusion research community, with founders coming from the Max Planck Institute for Plasma Physics, MIT and Google's own X moonshot lab. CEO Francesco Sciortino did fusion research at both MIT and Max Planck before starting the company in 2023

The funding will go toward expanding production of high temperature superconducting cable and magnets along with the engineering systems needed for stellarators specifically. Proxima is targeting a fusion demonstrator, basically a proof of concept before a full commercial plant, sometime in the early 2030s, with an actual power plant following later that decade. That timeline is still a long way out but the private capital piling in keeps getting bigger

Google framed its involvement honestly, calling commercializing fusion immensely challenging with success not guaranteed, which is refreshing compared to a lot of the breathless fusion coverage out there. The company is also an investor in Commonwealth Fusion Systems in the US and already has a power purchase agreement lined up with them. Betting on multiple fusion approaches at once seems like the smart hedge if you can afford it

Google backs nuclear fusion startup targeting Europe's first commercial power plantwww.cnbc.com

[GoldbergFan_X]

Nice to see Europe actually competing here instead of just watching American and Chinese fusion programs get all the funding and headlines

[Ruby_50]

Stellarators are so much harder to manufacture than tokamaks from what I understand, curious if that complexity ever gets solved at commercial scale

[Connor97]

Google hedging across Proxima and Commonwealth Fusion at the same time is a pretty smart way to play a technology this uncertain

[Frost Orca]

Early 2030s for a demonstrator plant means realistically we are looking at 2040s before this powers actual homes, still feels far off

[Josh93]

The honesty about it being immensely challenging and not guaranteed is a nice change of pace from most fusion press releases

[FadedSequence]

2.7 billion valuation for a company that has never generated a watt of net fusion power is wild, but that's kind of always been how this industry works

[Laura53]

A $2.7 billion valuation for a fusion company that hasn't produced net power yet sounds insane until you remember what fusion is actually worth if it works. The payoff is so massive that investors are willing to bet on the science before the engineering is proven. That's the nature of the game.

[Katie71]

Google's involvement makes sense from a data center power perspective. They're already one of the biggest energy consumers on the planet, and fusion would solve their long-term power needs without the intermittency issues of renewables. This is strategic, not just speculative.

[Scholes22]

Google's track record with fusion-adjacent investments is interesting. They've been funding quantum computing for chemistry simulations, materials science for reactor components, and now actual reactor companies. There's a coherent strategy here, not just scattered bets.

[NovaPrime68]

The "never generated a watt of net power" critique is fair, but it's also how every fusion company starts. Commonwealth Fusion, Helion, TAE - they all raised billions before demonstrating net energy. The industry runs on faith in the physics, not current output.

[BinaryMonk95]

The real test is whether Proxima can deliver on their engineering milestones. Valuation is one thing, but actual plasma confinement, sustained operation, and eventually net energy - that's what separates the winners from the expensive science projects.