With superior corrosion resistance, aluminium is extensively utilized in photo voltaic installations. Right here, it’s utilized in frames, wires, and assist buildings.
In response to some sources, the power to resist the weather offers aluminium a service life exceeding 70 years.
Corrosion resistance additionally makes it very best for offshore wind farms… Tower platforms, transformer stations, and generators are all created from aluminium.
For these causes, the USA and the European Union have labeled the steel as a essential mineral. But, one of many largest progress drivers might come from the mass build-out of the worldwide energy grid.
Few have thought of the LIMITATIONS of the present vitality grid within the relentless transfer towards renewables. Nevertheless, that is the essential hyperlink connecting energy technology to the tip shopper, and aluminium is ready to play an important function.
Energy grid improve… it’s not all about Copper
You could be shocked to be taught that aluminium is already extensively utilized in energy grid installations as a substitute for copper.
This isn’t a brand new phenomenon.
The choice to search out a substitute for copper dates again greater than 80 years, taking form within the early days of WW2.
On the time, the copper provide was being funnelled into manufacturing shells, bullets, and different warfare munitions. Recycling wasn’t an choice—copper was being blown out of the round economic system!
In desperation, the US started minting metal cash to divert extra copper to the warfare effort.
With the stakes excessive, engineers have been tasked with testing an alternate steel—a steel with comparable conductive properties… Aluminium provided a viable different.
After passing preliminary trials, aluminium was integrated into energy utilities and different electrical wiring, together with properties and factories.
Though as much as 40% much less environment friendly than copper, aluminium can conduct electrical energy lengthy distances. Since then, aluminium has continued to play an vital function in vitality switch.
That leads us to an vital query… Might mass international electrification drive robust demand for aluminium?
Electrification and the aluminium alternative
Aluminium doesn’t obtain as a lot consideration as its high-profile base steel cousin, copper. But, it does share similarities.
Notice the robust correlation between aluminium and copper costs, under:
Whereas copper has fared higher since coming off the resource-wide peak in 2022, each metals look like marching to the beat of the same drum, gaining robust momentum in 2024.
Like copper, curiosity is choosing up for this base steel.
In response to the Worldwide Aluminum Institute, demand has been forecasted to develop by 33.3 million tonnes over the subsequent decade. Rising from 86.2 million tonnes in 2020 to 119.5 million tonnes in 2030.
Round 37% of this progress is anticipated to stem from China, by way of manufacturing, building, and the nation’s bold energy grid improve to accommodate electrification.
And like copper, SUPPLY will play a essential function on this metals outlook.
Understanding the availability dynamic
Aluminium ore, often called bauxite, just isn’t usually uncommon.
The formation is much like laterite nickel deposits, the place excessive volumes of rainfall take away ‘cell’ parts from the soil, abandoning a pure focus of the much less cell parts.
That features nickel, iron and aluminium.
Copper deposits, however, kind by way of the mineralisation of main ore deposits deep under the floor, making them more durable to search out and costlier to extract.
That’s why, pound-for-pound, the per-unit worth of copper will all the time exceed that of aluminium.
Whereas bauxite deposits are comparatively widespread, provide issues emerge on the processing stage. You see, aluminium manufacturing is vitality intensive. About 17,000 kWh of electrical energy is required to provide simply 1 tonne of refined steel.
Rising vitality prices can impression provide, that’s what we witnessed throughout Europe in 2022.
As warfare broke out in Ukraine and Putin restricted fuel provides, vitality costs spiked. In response, aluminium smelters slowed operations and curtailed output.
So, the place’s the funding angle?
On condition that bauxite is comparatively widespread, the upside for miners could also be restricted.
Equally, until refiners have entry to an affordable vitality supply, corporations will probably be hostage to greater working prices.
Investing in a devoted aluminium ETF could possibly be probably the most strategic choice for gaining upside right here.
Often, I levitate towards shares, however given the added dangers, ETFs might supply the very best alternative. That’s to not say there aren’t company-specific alternatives although.
HPA, a extremely purified type of aluminium oxide is providing some thrilling alternatives. We’ll discover that in our subsequent replace.
James Cooper runs the commodities funding service Diggers and Drillers. You can even observe him on X (Twitter) @JCooperGeo