"Worst Timing"! Australia's Largest Ammonia Plant Shuts Down for Two Months, Global Fertilizer Market Faces Another Blow

Global ammonia supply crisis is worsening simultaneously in multiple locations. Amid disruptions in Strait of Hormuz trade and shutdowns of Indian fertilizer plants, Australia’s largest ammonia producer Yara’s Pilbara plant was forced to halt production for about two months due to power outage equipment damage, further intensifying global fertilizer market supply pressures.

A Yara spokesperson stated that the power outage did not cause any injuries, and an initial assessment indicates a repair period of approximately two months. The plant has an annual capacity of 850,000 tons of ammonia. The shutdown directly impacts raw material supplies for domestic agriculture and mining industries in Australia and affects international export customers.

This news comes at a particularly unfavorable time. Currently, over a quarter of global ammonia trade flows through the Strait of Hormuz, and 43% of urea shipments also pass through this route. Following attacks by the US and Israel on Iran, maritime traffic through the strait has significantly decreased. Meanwhile, Australian farmers are in a critical window for fertilizer application before and after planting, and market supplies are facing multiple overlapping shocks.

Yara Pilbara Plant Shutdown

Yara is a Norwegian chemical company. Its plant in Pilbara, Western Australia, is the largest ammonia production facility in Australia, utilizing natural gas to produce about 850,000 tons of ammonia annually.

Last week, the plant experienced a power outage that damaged equipment. Yara’s spokesperson said that workers and the surrounding environment were unaffected, and an initial repair estimate is about two months. “Yara understands the importance of its products to customers and will work to restore operations as soon as possible,” the spokesperson stated.

Adjacent to the Pilbara plant is another facility, 50% owned by Australian company Orica, which produces 140,000 tons of technical-grade ammonium nitrate (TAN) annually, mainly supplying Western Australia’s mining sector. The remaining ammonia is exported to domestic and international customers, most of whom use it to produce urea fertilizer.

Agricultural Supply Chain Under Pressure

The shutdown has a particularly direct impact on Australian agriculture. Farmers typically purchase fertilizer in large quantities around April and May for planting. Data shows that last year, Australia imported about 1.2 million tons of urea, with three-quarters coming from Gulf countries.

However, after the US and Israel attacked Iran, shipping through the Strait of Hormuz was severely restricted, leading to a sharp reduction in Gulf region freight routes.

Over a quarter of global ammonia trade and 43% of urea shipments pass through this strait, and current traffic has plummeted. Meanwhile, disruptions in natural gas supplies have caused Indian fertilizer plants to halt production, further tightening global supply.

The Yara plant shutdown means that during the peak agricultural demand season, a key domestic supply source in Australia is simultaneously unavailable, adding extra pressure to an already import-dependent supply structure.

Mining Production Faces Supply Risks

The impact of the shutdown extends beyond agriculture and directly affects Australia’s largest export commodity—iron ore production.

The nearby plant in Pilbara produces 330,000 tons of TAN annually, which is critical for blasting in Western Australian iron ore mining. Mines require large quantities of TAN for rock blasting to extract, crush, and transport ore to ports. The shutdown means that, for the next two months, local iron ore miners will be unable to access this strategic material.

The ultimate production impact will depend on current TAN stock levels at the mines and whether alternative supplies can be secured from other sources in the short term.

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