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Liontown approves AU$389M Kathleen Valley expansion, lifts capex guidance

Liontown approves AU$389M Kathleen Valley expansion, lifts capex guidance
Stocks · 2026
Photo · Marcus Devlin for Daily Digest Invest
By Marcus Devlin Equities Correspondent Sep 30, 2026 4 min read

Australian lithium miner Liontown Resources has given the green light to a larger expansion of its Kathleen Valley project in Western Australia, a move that signals confidence in the long-term outlook for the battery metal despite recent price volatility.

The company told the Australian Securities Exchange that its board has made a final investment decision to proceed with the expansion, approving AU$389 million in capital spending for fiscal 2027-2029. That lifts the project's total capital expenditure guidance to AU$435-495 million.

What the expansion involves

The expansion is designed to increase production of spodumene concentrate—a lithium-bearing ore product that is a key input for electric vehicle batteries—to a steady-state five-year average of about 780,000 dry metric tons a year from fiscal 2030. That target comes after the mine's initial ramp-up phase, which is already underway.

Liontown said the first additional output from the expansion is expected in fiscal 2028. The company did not specify exactly how much the expansion would add to current capacity, but the new guidance suggests a meaningful step up from the project's original design.

Kathleen Valley is one of the world's largest hard-rock lithium deposits, and Liontown has been positioning it as a major supplier to the global battery supply chain. The project has attracted attention from major automakers and battery manufacturers looking to secure raw materials.

Why this matters for lithium markets

The decision comes at a time when lithium prices have been under pressure due to oversupply and slower-than-expected EV adoption in some markets. Many miners have delayed or scaled back projects in response. Liontown's move to expand suggests it sees the current downturn as temporary and is betting on stronger demand in the late 2020s.

Spodumene concentrate is typically processed into lithium hydroxide or lithium carbonate, which are used in EV batteries. The expansion aligns with broader industry expectations that demand for lithium will grow significantly as the world transitions to electric vehicles and energy storage.

Investors should note that capital-intensive expansions like this carry execution risk. Cost overruns and delays are common in large mining projects, and the company's revised capex guidance already reflects a higher budget than earlier estimates.

What it means for investors

For everyday investors, this news is a signal about the health of the lithium sector. A major producer committing hundreds of millions of dollars to expand is a vote of confidence in future demand, even if current prices are weak.

However, it's important to remember that mining stocks are volatile and sensitive to commodity prices. The expansion will not generate revenue until fiscal 2028 at the earliest, so investors are essentially betting on lithium prices recovering by then.

Liontown's move also comes amid broader trends in the mining and energy transition space. For example, Develop Global's AU$452-506M capex plan targets copper and lithium growth, showing that other miners are also investing in battery metals. Similarly, E3 Lithium's CA$11.5M raise for its Clearwater project highlights ongoing interest in lithium development.

Investors should also keep an eye on how the expansion is funded. Liontown has not detailed its financing plans, but the company may need to raise additional capital or take on debt, which could dilute existing shareholders or increase financial risk.

Broader context

The lithium market has been through a boom-and-bust cycle over the past few years. Prices soared in 2021-2022 as EV demand surged, then fell sharply in 2023-2024 as supply caught up. Many analysts expect the market to remain oversupplied in the near term, but structural demand growth from EVs and grid storage is likely to absorb that supply over time.

Liontown's decision is also notable because it comes as some governments push for more local processing of critical minerals. For instance, Congo's plan to audit big miners yearly from 2027 reflects a broader trend of resource-rich countries seeking more value from their minerals. In Australia, the government has been supportive of lithium projects as part of its critical minerals strategy.

For investors, the key takeaway is that Liontown is making a long-term bet. The expansion will not pay off immediately, but if lithium demand grows as expected, it could position the company to benefit significantly. As always, it's wise to consider how this fits into your overall portfolio and risk tolerance.

Liontown shares have been volatile in recent months, and this announcement could provide some support, but the real test will be execution and lithium prices over the next few years.

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