Europe officially entered the global league’s high-performance computing with the inauguration of Jupiter Supercomputer in Forschungsentrum Jülich, Germany.
Started by EU Commissioner Zaharieva and German Prime Minister Friedrich Merz, Jupiter is the first European system to cross the Exuscar threshold, which allows operations to exceed one kintyrion (10ε) per second.
This milestone amounts to the power of a million modern smartphone combinations that solidifies Jupiter’s location as Europe’s most powerful supercomputer and the fourth fastest in the world.
Henna Wilkunen, vice-president of technology sovereignty, security and democracy, stressed the importance of its achievements.
“Jupin the planet Jupiter has the gravitational pull that forms the solar system, Jupiter’s supercomputer attracts the European research community, its startups, its industries, talent. It attracts investments, stimulates breakthroughs, and drives Europe forward.”
Jupiter: Sustainability at the Core
Unlike traditional high-performance machines, Jupiter’s supercomputers are built with sustainability as their number one priority.
Running fully on renewable energy, the system employs advanced cooling and energy reuse techniques.
These innovations have made Jupiter the most energy efficient supercomputer module in the world. This is a distinction reflected in the top rankings on the Green500 list.
Changes in science and policy
The power of Jupiter’s Exuscar is set to revolutionize European science and policy making.
Researchers can perform climate and weather simulations at kilometer-scale resolutions, generating more accurate predictions for extreme events such as floods, storms, and heat waves.
Its capabilities also extend to breakthroughs in physics, medicine and materials science, allowing discoveries that were previously out of reach.
Driving the future of European AI
Beyond research, Jupiter supports the next generation of artificial intelligence in Europe.
Its computing power is at the heart of the AI Factory (JAIF) announced in March 2025, and trains advanced large-scale language models (LLMS) of generating AI.
These efforts are in line with the EU’s broader strategy to establish AI Gigafactory, a large-scale, energy-efficient hub specialized in the development of frontier AI systems.
Europe’s 500 million euros
The 500 million euro project is a joint investment between the European Union and Germany through the EuroHPC joint venture.
EuroHPC already supports 13 proposals to establish AI factories across the continent, with demand surged by June 2025, with 76 expressions of interest submitted by 16 member states.
These Gigafactories combine computing power, data and talent to position Europe as a leader in AI innovation and deployment.
Ekaterina Zaharieva, commissioner of startups, research and innovation, added:
“Jupiter will strengthen European digital sovereignty, accelerate discovery and enable researchers, innovators and the industry to access the most powerful and sustainable computing resources.
Setting up a new supercomputing global standard
With a combination of raw performance, sustainability and strategic integration into European AI infrastructure, Jupiter’s supercomputer is more than a technical achievement. It is a symbol of European ambitions, leading the world in both supercomputing and artificial intelligence.
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