Google investment in German startup aims to accelerate nuclear fusion and European energy leadership

Google, one of the global technology giants, announced on Tuesday, July 7, 2026, a significant investment in the German startup Proxima Fusion. The investment is part of a round that totaled €411 million (equivalent to US$468 million) and its main objective is to accelerate the development of a commercial nuclear fusion plant in Europe. This innovative technology, dubbed the “artificial sun”, seeks to replicate the energetic process of stars on Earth.

The European push in the fusion race

The initiative by Google and other investors positions Europe in the spotlight in the fierce global race for nuclear fusion. Powers such as the United States and China also invest heavily in the search for this clean and abundant source of energy. The financing demonstrates the European continent’s ambition to consolidate itself as a leader in the next generation of energy technology, with strategic implications for the region’s energy security and technological autonomy. Nuclear fusion represents the promise of carbon-free energy, capable of meeting the world’s growing energy demands.

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Stellarator technology and how fusion works

Proxima Fusion invests in stellarator technology, one of the innovative approaches to enable fusion energy. Unlike Tokamak reactors, more common in research, stellarators use complex three-dimensional magnetic fields to confine superheated plasma, where the fusion reaction takes place. The process of nuclear fusion involves the union of two light hydrogen atoms under extreme conditions of pressure and temperature, forming a helium atom and releasing a gigantic amount of energy. This method differs fundamentally from nuclear fission, used in current plants, which is based on the division of heavy atoms and generates long-lasting radioactive waste.

Financing details and strategic partners

The investment round that leveraged Proxima Fusion was led by companies such as XTX Ventures and East X Ventures. In addition to Google, the energy company RWE also strategically participated in the contribution. Renowned investment funds such as Plural, UVC Partners, Balderton and Cherry Ventures also joined the group of supporters.

The newly raised funds will be directed towards the startup’s crucial initiatives, including:
• Increased production of high-temperature superconducting cables and magnets, essential components for stellarator technology.
• Development of engineering and manufacturing systems, fundamental for the construction and operation of devices.

The startup reached a market valuation of US$2.7 billion after the fundraising, highlighting the great potential that investors see in the company and in the fusion technology.

Ambitious timeline for a new energy era

Proxima Fusion has set an ambitious timeline for realizing its plans. The company hopes to put functional demonstrator equipment into operation in the early 2030s, a fundamental step before the eventual construction of the commercial plant, which is scheduled for the end of that same period. The goal is to offer an energy solution that not only produces electricity cleanly, but is also scalable and economically viable. This timeline underscores the urgency perceived by investors and researchers to bring nuclear fusion from the laboratory to the energy grid.

Proxima Fusion’s view of global energy competition

Francesco Sciortino, executive president and co-founder of Proxima Fusion, highlighted the strategic importance of the investment. He said Europe is in fierce competition with the United States and China to be the first to develop a commercial-scale nuclear fusion plant. According to the executive, the financing not only validates the continent’s technological capacity, but also the ability to form competitive and innovative companies on a global level. Sciortino highlighted that investors understand both the urgency and the immense opportunities associated with advancing this transformative energy technology.