Copper and the Energy Transition: Investing in the Metal of Electrification

Copper is one of the best electrical conductors available at scale, and it is indispensable to the electrification of the global economy. Every electric vehicle, wind turbine, solar installation, and grid upgrade requires copper. Unlike many battery metals — where substitute materials are constantly being developed — copper has no economic alternative for most of its applications. This makes it one of the most compelling investment stories within the energy transition: a structural, multi-decade demand surge meeting a supply base that is constrained by geology, declining ore grades, and the decade-long lead times required to bring new mines into production.

Copper in the Energy Transition

The numbers are stark. A conventional internal combustion engine vehicle contains approximately 22–25 kg of copper. A battery electric vehicle contains 80–100 kg — roughly four times as much. A hybrid vehicle sits in between. An offshore wind turbine requires approximately 10 tonnes of copper per MW of installed capacity. A solar farm uses around 3–5 tonnes per MW. Grid infrastructure — the transmission lines, substations, and distribution networks required to connect renewable generation to consumers — is almost entirely copper.

Wood Mackenzie and S&P Global have both modelled the copper demand implications of achieving net-zero by 2050. Their projections suggest cumulative copper demand could reach twice the volume of copper mined in all of human history. S&P Global's 2022 report "The Future of Copper" projected a structural supply gap opening from the late 2020s, reaching 10 million tonnes per annum by 2035 — equivalent to roughly 40% of current annual production.

Why Supply Is Constrained

Copper mining faces several constraints that make rapid supply expansion difficult.

Declining ore grades. The richest copper deposits were mined first. Average ore grades at producing mines have declined from around 1.5% copper in the 1990s to approximately 0.6% today. Lower grades mean more rock must be processed per tonne of copper produced — higher energy costs, higher capital requirements, greater environmental footprint.

Long lead times. Developing a new copper mine from discovery to first production typically takes 15–20 years — geologist surveys, environmental assessments, permitting, construction, ramp-up. Mines that will supply copper in 2035 need to have been discovered and permitted by now.

Geographic concentration. Chile and Peru together account for approximately 40% of global copper mine production. Political risk in these countries — royalty increases, nationalisation threats, indigenous community opposition — has repeatedly disrupted supply. Chile's constitutional debates and changes to mining royalties in 2023–2024 created uncertainty for major projects.

Permitting delays. The Resolution Copper deposit in Arizona (one of the world's largest undeveloped copper deposits, owned by Rio Tinto and BHP) has been in permitting for over 15 years. Environmental and tribal land objections have repeatedly delayed approvals. Similar dynamics play out globally.

Capital investment gap. Years of low copper prices following the 2011 super-cycle peak led to significant underinvestment in exploration and development. The pipeline of projects that would be needed to fill the projected gap is not currently funded or under construction.

Recycled Copper as Partial Offset

Recycling provides a partial offset to primary mine supply shortfalls. Around 30–35% of global copper supply comes from scrap recycling. This proportion is growing as the installed base of copper-containing products expands. However, copper has a long life in use (40+ years in buildings, 15–20 years in vehicles), meaning a large share of the copper installed today will not return as scrap for decades. Recycling alone cannot close the projected demand gap.

Investment Routes

Exchange-Traded Commodities (ETCs)

ETCs allow direct commodity price exposure without the need to own or store physical metal. For copper:

WisdomTree Copper (COPA — London-listed): one of the most liquid copper ETCs available to UK investors, providing exposure to copper futures rather than physical copper.

Xtrackers Physical Copper ETC: physically backed, storing actual copper warranted in LME warehouses. Physical ETCs eliminate futures roll costs but carry storage fees.

The key difference between physically backed and futures-based ETCs is the "roll cost" or benefit. Copper futures markets are often in contango (later-dated contracts more expensive than spot), meaning rolling forward expiring contracts incurs a cost. In backwardation (nearer contracts more expensive), rolling generates a return. For long-term investment, the cumulative roll impact can be significant.

Copper Miner ETFs

iShares Copper Miners UCITS ETF (COPM — London-listed UCITS): provides diversified exposure to companies whose primary business is copper mining. Top holdings typically include Freeport-McMoRan, Lundin Mining, Southern Copper, Antofagasta, and First Quantum Minerals.

Xtrackers MSCI Global SDG Goals ETF and similar thematic vehicles have indirect copper exposure through mining companies.

Mining equities offer leveraged exposure to copper prices — when copper rises, mining profits typically rise faster (operating leverage). Conversely, mining equities can fall more sharply than the copper price in a downturn due to cost inflation, capital needs, and financing risk.

Diversified Miners with Copper Exposure

Several major mining companies have significant copper operations:

Glencore (GLEN — LSE): one of the world's largest copper producers, with assets in Chile, Peru, the DRC, and Australia. Glencore is also a significant coal producer, which creates ESG considerations for some investors.

BHP (BHP — LSE/ASX): owns major copper operations in Chile (Escondida, the world's largest copper mine) and is developing the Oak Dam deposit in South Australia.

Rio Tinto (RIO — LSE): owns the Resolution Copper project and the Kennecott mine in Utah.

Antofagasta (ANTO — LSE): a London-listed, Chile-focused pure-play copper miner. Often used as a proxy for copper exposure within UK equity portfolios.

Anglo American (AAL — LSE): owns Los Bronces and Collahuasi (co-owned with Glencore) in Chile, two world-class copper assets.

Portfolio Context

Copper differs from gold and silver in that it has limited monetary or safe-haven appeal — demand is almost entirely industrial. This means copper prices are sensitive to global growth expectations, particularly Chinese economic conditions (China accounts for approximately 55–60% of global refined copper consumption as of 2025).

In a portfolio context, copper can provide:

• Inflation hedge: industrial commodities historically perform well during inflationary periods.
• Energy transition thematic exposure: structurally different from tech or equity themes.
• Diversification: copper price has moderate correlation with equities over short periods but can diverge significantly over longer periods.

A typical allocation within an alternatives sleeve might be 1–3%, accessed through a combination of ETC and miner ETF exposure.

Risks

China slowdown. A significant deceleration in Chinese economic activity — particularly in property and infrastructure — reduces copper demand sharply in the near term, regardless of long-term structural drivers.

Substitution. Although copper has no economic substitute for most uses, continued research into aluminium wiring, carbon composites, and superconductors could reduce intensity of use over time.

Country risk. Chilean and Peruvian political developments directly affect the world's largest copper supplies.

Technology risk to demand. Efficiency improvements in electric motors or solar panels could reduce copper intensity per unit of energy capacity.

Commodity price volatility. Copper prices can move 20–40% in either direction within a year. Investors must have the tolerance and time horizon to absorb this.

The value of commodity investments can fall as well as rise, often sharply. This guide is informational only and does not constitute investment advice. Past performance is not a reliable indicator of future results. Always seek professional advice suited to your individual circumstances.

How Global Investments Can Help

We can help you assess whether copper exposure is appropriate for your portfolio, advise on the most tax-efficient access route from your jurisdiction, and integrate it within a broader alternatives or commodity allocation. Our investment team monitors the copper supply pipeline and key risk factors closely. Contact us to discuss your commodities strategy.