Surge Copper (OTCBB: SRGXF) released a pre-feasibility study last week for its Berg copper project in central British Columbia, and the headline number more than doubled. 

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The after-tax net present value now sits at roughly $3.4 billion, up from about $1.5 billion in the 2023 study.

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‍That's a big jump. But the same study also doubled the price tag to build the thing.

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‍Initial capital is now pegged at about $3.4 billion. So the value of the project and the cost to construct it are now essentially the same number. The payback period came in at 2.9 years.

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‍What the new study actually changed

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‍The 2023 work was a preliminary economic assessment, an early-stage sketch of what a mine might look like. The new pre-feasibility study is a more rigorous look, built on 66,229 meters of drilling and a maiden reserve estimate.

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‍And the reserve is sizable. Berg now holds 1.2 billion tonnes of proven and probable ore, containing 5.8 billion pounds of copper, 687 million pounds of molybdenum, 160 million ounces of silver, and 800,000 ounces of gold.

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‍Over a 28-year mine life, projected output climbed across the board: copper up 32% to 4.9 billion pounds, molybdenum up 50% to 602 million pounds, and silver up 8% to 89 million ounces.

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Why the doubled cost isn't the whole story

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‍Here's the part you should pay attention to. The base-case economics assume $4.75 per pound copper. Copper was trading around $6.45 per pound in June.

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‍Run the study at those spot prices and the picture shifts hard. The company's spot-price sensitivity case puts the after-tax net present value at about $6.9 billion, with the payback period shrinking to 1.8 years.

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‍You see, a copper mine has mostly fixed costs once it's built. So when the metal sells for more, almost all of that extra revenue drops straight to the bottom line. That's why the value swings so dramatically on the price assumption.

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‍To be sure, none of this is money in the bank, but the leverage to copper prices is real, and it's the main reason this project is getting attention as governments hunt for new supply tied to electrification.‍

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Now for the risk side. Surge is a small company. Its market value is about $206 million, which is a fraction of the billions it would take to build Berg. That gap has to be filled with partners, debt, or heavy dilution, and that's the central question hanging over the stock.

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‍The project also still needs to clear provincial, federal, and Indigenous-led environmental assessments. The company is planning an assessment led by the Office of the Wet'suwet'en, and that process takes years, not quarters.

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‍So this is a long-dated bet, not a quick trade. A doubled net present value on paper is a meaningful milestone, and the copper-price leverage gives Berg real upside if metal prices hold. But the distance between a $206 million company and a $3.4 billion construction bill is the thing to keep your eye on.

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