how much silver does grasberg mine produce every year as a by product
9 million ounces
The Grasberg mine, operated by PT Freeport Indonesia (a subsidiary of Freeport-McMoRan), produced 6.9 million ounces of silver in 2024 as a by-product of its primary copper and gold operations. This figure comes from the World Silver Survey 2025, which ranks Grasberg among the top 30 silver-producing mines globally. Silver output increased that year due to higher mill throughput and ore grades following expansions. For 2025, no specific forecast is available, but Indonesia's tot…
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