KGHM (KGHPF), Evolution Mining (CAHPF): Growth Capital Goes Brownfield

Between 18 and 20 August 2026, copper producer KGHM Group (KGHPF) and gold producer Evolution Mining (CAHPF) told their respective earnings calls the same thing: at current gold and copper prices, the asking price for an orebody has risen past what either company will pay, and both are keeping their growth budgets inside mines that are already producing.

Why buying an orebody now costs more than adding a line at an existing plant

A mining company has roughly three ways to grow output. It can buy someone else's deposit or the whole company that owns it. It can build a new mine and processing plant somewhere nobody has developed, which the industry calls a greenfield project. Or it can add equipment and extend pits inside the fence of a plant it already runs, a brownfield project. The first two add new supply to the industry; the third only fills existing assets closer to capacity.

What changed is the relative price of those three routes. Rising metal prices immediately lift what a deposit is worth, because the buyer is paying for decades of future output. Adding a line beside an existing plant is priced in steel, contractors and fleet, and those costs rise far more slowly. Once the gap is wide enough, an acquisition no longer clears a miner's internal return hurdle, and the board redirects the money back inside the fence. Asked on its call whether it would still do bolt-on deals, Evolution Mining said the orebodies around Cowal, Red Lake and Ernest Henry are already enough to keep those plants filled, that only Mungari has spare capacity, and that there are not many options right now to bring in something that would improve the ore quality there [1].

Managements call deposit pricing overstated and route the money to lines, cutbacks and dividends

Barclays, working from BHP's (BHP) published material, put the capital intensity of BHP's organic pipeline at roughly US$16,000 to US$30,000 per tonne of copper-equivalent capacity, against potentially more than US$100,000 per tonne for pure-play copper exposure once acquisition premiums are included [2]. That US$100,000 figure was put to KGHM management from the floor of its own call, and the answer was that KGHM is not buying: there are very few copper projects at a suitable development stage, and at current prices those projects are overstated [3].

On the same call, KGHM approved US$725 million for a fourth processing line at the Sierra Gorda copper mine, targeting a 20% increase in metal production, over a three-year build that is only fully operational in the second half of 2030 [3]. Evolution Mining's capital expenditure outlook contains no new major projects, the projects already in execution are running to original budget, and the company lifted its dividend policy to 60% of annual group cash flow [1]. Northern Star Resources (NESRF) is allocating A$895 million to A$945 million of its planned A$2.6 billion to A$2.9 billion FY27 capital investment to a pit cutback and associated mining fleet at KCGM [4]. DRDGOLD (DRD) replaced reserves by bringing Kloof 2 online for about 67 million tonnes, offsetting roughly 23 million tonnes treated during the year, rather than buying anything [5].

Equipment orders shift from whole plants to spares, and new capacity arrives around 2030

The suppliers feel this first. FLSmidth (FLIDF) says its customers are running existing sites as efficiently as they can, which shows up in orders as smaller replacement investments, upgrades, modernizations and the service and maintenance that follow [6]. Metso (METSO.HE) describes its own mining orders the same way: mostly brownfield, both replacement and capacity increases through debottlenecking [7]. Engineering orders for whole new plants are shrinking, while spares, consumables and services billed against tonnes milled and equipment hours are becoming the larger share.

The supply timetable moves out with it. KGHM's fourth line does not reach full operation until the second half of 2030, so the 2026 price cannot buy 2027 metal. The boundary is equally clear. Harmony Gold (HMY) sanctioned US$1.55 billion to US$1.75 billion in July for the Eva Copper project in Australia, with first production planned for late 2028 [8], and OceanaGold agreed in August to acquire Ausgold for approximately A$776 million [9]. A useful thing to watch next is whether the share of new whole-plant projects in the equipment makers' quarterly orders starts to recover.

Companies exposed to this change

• Naipu Mining Machinery (300818.SZ): Sells mill liners, slurry pumps and cyclone spares billed against how many tonnes a plant grinds, so its demand follows line additions and debottlenecking and depends little on whether new projects get sanctioned.
• Hitachi Construction Machinery (6305.T): Sells both the haul fleet a pit cutback consumes and the parts and service that scale with operating hours, and management attributed its earnings guidance to mining machine bodies and the specialised parts and service business.
• North American Construction Group (NOA): Takes on pre-stripping and material movement as a contract miner without owning the orebody, so its revenue tracks the tonnage miners are now adding.

Sources

[1] Drillr · Evolution Mining (CAHPF) · 2026-08-18 · FY26 full-year results call

[2] Australian Resources & Investment · Barclays on BHP's copper pipeline versus acquisition cost · 2026-08-19 · media report · https://www.australianresourcesandinvestment.com.au/2026/08/19/barclays-sees-bhp-copper-pipeline-trumping-acquisitions/

[3] Drillr · KGHM Group (KGHPF) · 2026-08-20 · H1 2026 earnings call

As you can tell, there are very few projects in the copper segment that would be very prospective in terms of their current development stage. Because of the prices, the projects are overstated. Therefore, we have to be very cautious.

[4] Drillr · Northern Star Resources (NESRF) · 2026-08-19 · FY2026 full-year results call

[5] Drillr · DRDGOLD (DRD) · 2026-08-19 · FY2026 year-end results presentation

[6] Drillr · FLSmidth (FLIDF) · 2026-08-19 · Q2 2026 earnings call

[7] Drillr · Metso (METSO.HE) · 2026-07-24 · Q2 2026 earnings call

[8] Rio Times · Harmony Gold (HMY) Eva Copper funding · 2026-07-28 · media report · https://www.riotimesonline.com/harmony-gold-r20bn-funding-copper-expansion-2026/

[9] RTTNews · OceanaGold to acquire Ausgold · 2026-08-15 · media report · https://www.rttnews.com/3680976/oceanagold-to-buy-ausgold-for-around-a-776-mln.aspx

This is only here to help you spot industry changes and companies you may have missed - it is not a stock recommendation.