German industry is expected to stagnate at best in 2026, the BDI industry association said on Monday, warning that higher energy costs, supply chain risks and domestic structural weaknesses were piling pressure on Europe's largest economy. At the opening of the Hannover Messe trade fair, BDI lowered its outlook after a weak start to the year and said the conflict in Iran had added fresh downside risks, including costlier energy, broader price pressures and disruptions to shipping and logistics.