By Julia Parker – JBizNews Desk

BELGRADE — Record-low water levels on the Danube have exposed dozens of German warships sunk during World War II, creating new risks for shippers, energy suppliers and governments already dealing with drought-driven transport bottlenecks and power-security concerns across Europe.

The wrecks, visible near the Serbian river port of Prahovo, are part of a fleet scuttled by Nazi Germany in 1944 as Soviet forces advanced. Many still contain ammunition and explosives, making the exposed hulks a commercial hazard as well as a public-safety problem.

The Danube is one of Europe’s most important freight corridors, carrying fuel, grain, metals, fertilizers and industrial inputs between Central Europe and the Black Sea. Low water has forced barge operators to reduce cargo loads, adding voyages and raising freight costs at a time when companies are already facing higher energy and logistics bills.

For governments, the timing is difficult. Drought has reduced hydropower output in parts of Europe, complicated river transport of coal and fuel, and intensified planning for possible electricity shortages. The exposed wrecks add another obstacle on a river system that supports factories, utilities, traders and exporters across the region.

Near Prahovo, the wrecks have narrowed the navigable channel and limited safe passage for commercial traffic. During normal conditions, much of the debris remains submerged. At current levels, hulls, gun turrets and structural remains have become visible, forcing crews and authorities to navigate around known and suspected hazards.

“The German flotilla has left behind a big ecological disaster that threatens us, people of Prahovo,” said Velimir Trajilovic, a local historian who has documented the wrecks.

The Government of Serbia has previously sought contractors to remove the vessels and dispose of munitions, a project estimated at about 29 million euros. The work is complicated by the presence of unexploded ordnance, the need to keep shipping channels open and the environmental risk of disturbing decades-old fuel, metals and military materials.

Shipping executives say low-water conditions can quickly feed into customer costs. Barges operating at partial capacity are less economical, while cargo diversions to rail or road can strain alternative networks and raise prices for bulk commodities. For energy companies, delayed fuel shipments can affect power-plant inventories and procurement planning.

The disruption also matters for exporters in landlocked economies that rely on the Danube for access to seaborne markets. Agricultural producers, steelmakers and chemical companies use the river to move heavy cargo more cheaply than by truck. When river capacity falls, margins can narrow for producers unable to pass on higher logistics costs.

European drought conditions have also sharpened attention on infrastructure resilience. River transport remains central to the continent’s energy and industrial supply chains, but unusually low water levels have exposed the limits of systems built around more predictable seasonal patterns.

Authorities face a choice between short-term navigation controls and longer-term removal of the wrecks. For businesses using the Danube, the immediate concern is operational: fewer safe routes, lighter cargoes and higher costs during a period when energy security and supply-chain reliability are already under pressure.

JBizNews Desk | Belgrade
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