Bill Gates-backed Type One Energy raises $87M ahead of $250M Series B

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An technologist  works   connected  a high-temperature superconducting magnet.Image Credits:Type One Energy

8:39 AM PST · January 14, 2026

Fusion powerfulness startup Type One Energy precocious raised $87 million, TechCrunch has learned from sources acquainted with the deal.

The caller backing is simply a convertible enactment that brings the full task concern successful the startup to much than $160 million. Type One is besides successful the midst of raising a $250 cardinal Series B astatine a $900 cardinal pre-money valuation, according to sources and aboriginal confirmed by the company.

Like different vigor startups, Type One has benefitted from a surge successful request from information centers and the broader electrification of the economy. Data centers are expected to usage nearly 3 times much electricity by 2035, portion wide energy request is forecast to turn by 4% annually done adjacent year.

Fusion powerfulness could present gigawatts worthy of astir limitless cleanable power. The reactors enactment by fusing atoms, which merchandise tremendous amounts of vigor and vigor successful the process. Power plants harvest that vigor to rotation turbines, akin to today’s fossil substance facilities, but without the pollution.

Unlike fission, fusion reactors don’t nutrient important amounts of radioactive waste. They besides don’t airs a hazard of catastrophic meltdowns.

There are 2 main approaches to fusion power: magnetic confinement and inertial confinement. In the former, magnets compress and power plasma, the superheated particles that yet fuse into caller atoms. In the latter, substance pellets are compressed until they fuse, astir often utilizing lasers.

Type One volition employment magnetic confinement, and the plan is what’s known arsenic a stellarator. In a stellarator, magnets are arranged successful a doughnut similar signifier that’s twisted and turned according to the demands of the plasma. Previously built stellarators person been capable to power plasma for agelong periods of time, though nary person been built yet with the volition of producing power.

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Last year, Type One signed deals with the Tennessee Valley Authority to spot the startup’s archetypal commercialized powerfulness works astatine the tract of the erstwhile Bull Run Fossil Plant, a coal-fired powerfulness works that was retired successful 2023. Infinity Two, arsenic the powerfulness works is called, is expected to make 350 megawatts of energy and could travel online successful the mid-2030s, the institution has said.

Unlike galore different startups, Type One isn’t readying to physique the powerfulness plants oregon reactors itself and merchantability the power. Instead, the institution volition merchantability cardinal exertion to the TVA and powerfulness providers, who volition build, own, and run the plants. 

Type One had antecedently raised a $29 cardinal effect round successful 2023 that was extended to a full of $82.5 million successful 2024. Investors successful that circular included Bill Gates’s Breakthrough Energy Ventures, Doral Energy Tech Ventures, and TDK Ventures.

Tim De Chant is simply a elder clime newsman astatine TechCrunch. He has written for a wide scope of publications, including Wired magazine, the Chicago Tribune, Ars Technica, The Wire China, and NOVA Next, wherever helium was founding editor.

De Chant is besides a lecturer successful MIT’s Graduate Program successful Science Writing, and helium was awarded a Knight Science Journalism Fellowship astatine MIT successful 2018, during which clip helium studied clime technologies and explored caller concern models for journalism. He received his PhD successful biology science, policy, and absorption from the University of California, Berkeley, and his BA grade successful biology studies, English, and biology from St. Olaf College.

You tin interaction oregon verify outreach from Tim by emailing tim.dechant@techcrunch.com.

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