David Shoebridge, the newly appointed leader of the Australian Greens, has signaled a potential challenge to Labor’s longstanding dominance on the left, particularly on energy policy issues, amid shifting attitudes toward nuclear power among Green parties internationally. Observers in the business community had initially been skeptical about Shoebridge’s pledge to "replace" Labor as the principal left-wing party, but recent developments within the UK Greens may provide a blueprint for such an outcome.
In a significant policy shift, the Green Party of England and Wales voted to end its unconditional opposition to nuclear power. While they continue to prioritize offshore and onshore wind farms and rooftop solar as primary sources of electricity, the party now supports evaluating new nuclear projects on a case-by-case basis alongside other low-carbon technologies. This represents a major departure from previous positions held by Greens in both the UK and Australia, where nuclear power has traditionally been opposed on environmental and safety grounds.
Shoebridge has not yet embraced nuclear energy in Australia but has expressed concerns about the current trajectory of renewable energy projects. Recent experiences with government-led initiatives have raised alarms about escalating costs, environmental impacts, and reliability. Due to shortcomings in renewable infrastructure and planning—such as with the Snowy 2.0 pumped hydro project—Australia is projected to continue relying on coal-fired power until at least the 2040s and to need new gas-fired power stations to maintain grid stability.
The financial costs associated with Australia’s renewable energy transition remain largely undisclosed but could potentially exceed $900 billion, including government-backed financial return guarantees. Critics contend that these costs have ballooned through secretive deal-making and that the government has obscured the full economic impact from public scrutiny.
Shoebridge’s opposition to unregulated renewable subsidization and his awareness of these challenges may make him more receptive to revisiting nuclear power as a component of Australia’s energy mix, following the UK Greens’ lead. Should the Australian Greens alter their nuclear stance, it could place additional pressure on the Labor government, which won the 2025 election partly by promoting renewables as a cheaper alternative to nuclear.
The political landscape ahead appears increasingly complex. The Victorian state election is poised to reveal the influence of minor parties such as One Nation, which has already affected both Labor and the Coalition. If the Greens regain momentum, they could exert substantial parliamentary influence or even participate in government formation, prompting possible shifts in policy direction.
Beyond energy, the Greens under Shoebridge advocate broader structural changes with potentially profound economic implications. A Greens-affiliated think tank has proposed aggressive interventions in the supermarket sector, including forced acquisitions of hundreds of stores from major chains Coles and Woolworths and the establishment of new retail outlets, with the aim of cutting prices. Shoebridge has encouraged public debate on this plan.
On foreign policy, Shoebridge has criticized Australia’s alliance with the United States, labeling it a "deep betrayal" that undermines national sovereignty and entangles Australia in external conflicts. The Greens continue to campaign for the abolition of the AUKUS security pact, opposing the acquisition of nuclear-powered submarines on fiscal and strategic grounds.
If the Greens succeed in becoming the principal opposition or form government, Australia could see a markedly different political and policy environment, particularly in areas of energy, economic regulation, and foreign relations, with the added dynamic of competition from rising right-wing parties like One Nation.