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Top 10 European Green Tech Companies 2026
Europe leads the global clean-energy transition, with its green tech sector valued at over $500B and growing at 15% annually. From Danish wind giants and Swedish battery innovators to Swiss carbon-capture pioneers, the continent is home to the world's most ambitious cleantech firms. In 2026, EU taxonomy regulations and the Green Deal industrial plan are accelerating capital flows into net-zero infrastructure. These ten companies are defining the energy systems of the next century.
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