Why is PNE stock collapsing today?

PNE AG stock experienced a significant 17.0% decline today following the renewable energy developer's announcement of a dramatic earnings warning. The company now projects a full-year EBITDA of €60 million to €75 million, down from its previous guidance of €90 million to €120 million, while normalized EBITDA is expected to fall between €65 million and €80 million, a sharp drop from the prior range of €110 million to €140 million.

CEO Heiko Wuttke acknowledged the timing impact of project postponements, stating that strong operational performance in 2026 would not fully reflect in earnings. The scale of the downgrade caught the market off guard, as management had reaffirmed the original guidance just weeks prior. Additionally, PNE elected to retain certain operational wind farms that were previously slated for sale, removing anticipated disposal proceeds from the 2026 income statement.

The broader German market also provided little support, with the DAX essentially flat and the energy sector under mild pressure, leaving PNE's sharp decline largely unbuffered.

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