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Europe's Biggest Space Round Goes to a Rocket Engine

The round will fund testing through 2028 as the company shifts most of the capital to a reusable methane-oxygen engine for a future heavy launcher.

  • The Exploration Company closed a $450 million Series C funding round on Tuesday, with Bessemer Venture Partners, Atomico, and the Scaleup Europe Fund co-leading the investment.
  • Most of this capital is directed toward Storm, a high-thrust reusable engine designed for a future heavy-lift launcher carrying up to 40 tonnes to low Earth orbit.
  • ArianeGroup is developing Prometheus, a competing reusable engine that has been hot-firing since 2022, while TEC's strategy depends on the European Space Agency eventually opening a heavy-lift competition.
  • French President Emmanuel Macron and European Commission President Ursula von der Leyen praised the company, with the Scaleup Europe Fund, managed by EQT, part-funding the round.
  • Pre-Burner and subscale chamber tests for the Storm engine begin in the coming months, while TEC expects a demonstration flight of the Nyx capsule in 2028 to validate operational capability.
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The Exploration Company (TEC), which develops a reusable space capsule, managed to attract $450 million in funding, a record for a mature company in the European space sector, announced its representatives, on Tuesday, on the eve of the International Space Summit, which will take place in Paris.

·Bucharest, Romania
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Center

The start-up The Exploration Company, based in Haillan, near Bordeaux, is making a record-breaking fundraising effort to accelerate the development of its Nyx capsule and future reusable engine

·France
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The Exploration Company closed a $450 million funding round to develop Storm, a reusable high-drive engine that has not yet been turned on and that targets a heavy launcher not yet commissioned by Europe. *** Most of the round will finance the development and testing of the Storm engine until 2028. The project indirectly competes with ArianeGroup’s Prometheus, while ESA still does not convene a European heavy launcher program. The company raised…

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The Exploration Company strengthens its ability to drive Nyx to the International Space Station and accelerate the development of its Storm engine. This series C accompanies two programs with distinct horizons, with a short-term priority maintained on the transport of orbital cargo and its return to Earth. The Exploration Company announces today a new ... L的article THE EXPLORATION COMPANY announces a €387 million raise for Nyx and Storm appeared…

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Maddyness - Le Magazine sur l’actualité des Startups Françaises broke the news on Tuesday, September 8, 2026.
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