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THE WORLD-CLASS SOLAR ARRAY ATOP BORUSSIA DORTMUND’ S STADIUM

Signal Iduna Park, the home of German football giants Borussia Dortmund, is widely regarded as one of Europe’ s most impressive stadiums. While its reputation was founded in its sheer scale and electric matchday atmosphere, it is the arena’ s sustainability that has made headlines most recently. The ground now hosts the largest rooftop solar array of any stadium in the world, with its 11,000 photovoltaic panels capable of generating more than 4GWh of clean power annually.

20 July 2026