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Simandou iron ore output a threat to Pilbara exports

Written by Allen Newton | Jun 18, 2026 10:30:00 PM

NEWS reports this week have expressed concern that the gradual ramp‑up of Guinea’s Simandou project is likely to impact iron ore exports from the Pilbara.

A report in the West Australian newspaper suggested oversupply could hurt Pilbara miners.

Simandou shipped 2.2 million tonnes of iron ore in May, up from 0.6 million tonnes earlier in the year, with analysts expecting it to produce 15–20 million tonnes in 2026, with long‑term capacity of up to 120 million tonnes.

Despite this, S&P Global says the Pilbara’s dominance is unlikely to be challenged in the near term. The region exported around 900 million tonnes last year, dwarfing Simandou’s early output.

Pilbara suppliers provide consistency and reliability, which remain critical for Chinese mills, and Rio Tinto’s stake in Simandou further blunts competitive pressure.

ABC analysis also notes that while China has reached “peak steel”, it remains heavily dependent on Western Australian ore, which supplied more than 60% of its imports even during periods of geopolitical tension.

The combination of softer prices, high inventories and new supply suggests WA producers may face tighter margins through the second half of 2026, but export volumes are expected to remain stable.

Iron ore prices have come under renewed pressure as weak Chinese steel output and rising global supply weigh on sentiment, but analysts say the impact on Western Australia’s Pilbara exports is likely to be limited in the short term.

Benchmark futures fell to a seven‑week low of US$102 a tonne in early June, down 6.5% for the week and almost 5% year‑to‑date, according to Reuters reporting.

The drop followed data showing China’s crude steel production fell 6.9% in May, reinforcing concerns about softer demand in the world’s largest iron ore market.

Breakwave Advisors noted that Chinese port inventories remain “persistently elevated”, adding to downward pressure on prices. “Physical demand remains weak despite recent rallies,” the firm said in its latest market update.

Market analysts say the key risks to watch are further declines in Chinese steel output, the pace of Simandou’s ramp‑up, and macroeconomic headwinds in China’s construction and manufacturing sectors.