A public equity stake in Tomago Aluminium would make things worse
Taxpayer money is flowing into Tomago Aluminium — but would a government equity stake actually protect workers, or make every future decision harder?
The federal and state governments have committed billions of public dollars to keep Tomago Aluminium, Australia's largest aluminium smelter, operating past its current crisis point. The Greens want a public equity stake in return. The instinct is understandable: if taxpayers are funding the rescue, why should a multinational pocket any upside? But the instinct leads somewhere worse than the problem it is trying to fix.
Equity doesn't clarify future decisions — it contaminates them
The case for equity has surface logic. Public money going in with no return on investment, while private shareholders retain the upside, does look like a bad deal. Senator Penny Allman-Payne's framing, that this is another instance of privatising profits while socialising losses, resonates because that pattern is real and has been repeated often enough to earn the scepticism. The problem is that the proposed remedy creates worse distortions than the disease.
Start with the simplest question: what happens when the smelter needs more capital after 2028? Because it will. Industrial smelters of this scale require continuous reinvestment, and the economics of Australian aluminium smelting, heavily exposed to electricity prices and global commodity cycles, mean that question will come up again. If the government holds equity, it faces a choice with no clean answer. Tip more public money in and you are doubling down on a position that may have deteriorated further. Refuse, and you are effectively forcing closure while holding a stake, which raises its own political and legal complications. The equity position does not clarify the decision. It contaminates it.
Government assets sold under pressure rarely realise full value, and the political noise around the sale — workers, communities, the optics of the government appearing to cash out — would be considerable.
Exiting a co-ownership with Rio Tinto would not be clean
Then there is the exit problem. Rio Tinto holds a significant interest in Tomago alongside other partners. A government equity stake means the Commonwealth is now a co-owner with one of the world's largest mining corporations, in an asset that was already on life support before the bailout. Divesting that stake cleanly, at a fair price, to a buyer willing to operate the smelter rather than strip it, is not a transaction that happens easily. Government assets sold under pressure rarely realise full value, and the political noise around the sale, workers, communities, the optics of the government appearing to cash out, would be considerable. The NBN taught an expensive lesson about what happens when commercial decisions get made through a political lens. An equity stake in a struggling smelter would be a smaller but structurally identical trap.
There is also the question of what the government would actually own. Tomago's long-term viability depends on electricity prices that are genuinely competitive, something that falling battery storage costs may eventually help resolve, but that remains uncertain over the time horizons that matter for capital-intensive heavy industry. Owning equity in an asset whose economics are structurally uncertain is not the same as sharing in prosperity. It is sharing in the risk, including the downside risk of holding equity in an asset that closes. At that point, the government would be facing the same outcome the Greens want to avoid, workers without jobs, a community hollowed out, but with the added complication of having public money tied up in a wound-down asset.
Conditions do what equity promises but cannot deliver
The sharper version of the Greens' complaint is not wrong: there is a genuine policy failure in governments writing large cheques without attaching clear conditions. But the right conditions are operational ones, enforceable employment protections, output commitments, requirements around how the money is spent, obligations to retrain workers if closure eventually comes. Those conditions create accountability without creating ownership. They can be enforced through contract. They do not create the downstream governance problem that equity does.
The Greens are, in a sense, reaching for the tool that feels most permanent. A contract can be renegotiated. Equity, they figure, is harder to take away. But that durability cuts in every direction. It is just as hard to exit as to hold. As the Tasmanian government's experience with Liberty Bell Bay illustrates, governments that step into distressed industrial assets rarely step out cleanly, and the bill for a messy exit tends to fall on the same taxpayers the intervention was meant to protect.
The workers at Tomago deserve a credible plan. What they do not need is for the government to acquire a stake that clouds every future decision about the smelter's life, its funding needs, and its eventual end, with the politics of ownership. Conditions, not equity, are the mechanism that actually serves them.
Sources
The Bearing — Why government-run enterprises cost more and deliver less
The Bearing — Government's dodgy loan to a dodgy manganese smelter
The Bearing — Batteries have come down in prices faster than anticipated
The Conversation — The NBN: how a national infrastructure dream fell short
Frequently Asked Questions
Why do the Greens want a government equity stake in Tomago Aluminium?
The Greens argue that if taxpayers are funding a rescue of the smelter, the public should share in any future upside rather than leaving private shareholders to pocket the gains. Senator Penny Allman-Payne has framed the bailout as another case of privatising profits while socialising losses.
What's wrong with the government taking an equity stake in a company it's bailing out?
An equity stake creates a conflict of interest on every future decision the smelter faces — whether to tip in more capital, whether to allow restructuring, and ultimately whether to close. It also makes exit extremely difficult: government assets sold under political pressure rarely realise full value, and the optics of the government 'cashing out' of a struggling industrial employer are almost impossible to manage cleanly.
What should the government attach to public funding of Tomago Aluminium instead?
Contractual conditions — enforceable employment protections, output commitments, requirements on how the money is spent, and retraining obligations if closure eventually comes — create accountability without creating ownership. Unlike equity, they can be structured to expire or escalate, and they do not trap the government in ongoing governance of a commercially uncertain asset.
Is Tomago Aluminium likely to need more public money in the future?
Industrial smelters of Tomago's scale require continuous reinvestment, and Australian aluminium smelting is heavily exposed to electricity prices and global commodity cycles. The economics that triggered the current crisis are structural, not temporary, meaning further funding decisions are likely before 2028 and beyond.
Has the Australian government taken equity stakes in distressed industrial assets before?
The Tasmanian government's involvement with the Liberty Bell Bay manganese smelter is a recent example of a government stepping into a distressed industrial asset and finding exit far more difficult and costly than entry. The NBN offers a larger-scale lesson in what happens when commercial decisions in a government-owned enterprise are made through a political lens.