Exploring Nuclear Energy Part 3: What Will Nuclear Power Mean for Australians?

The Coalition’s nuclear plan aims to reshape Australia’s energy future, but high costs, long construction times, and environmental concerns make its viability uncertain. Will nuclear power deliver stability or long-term challenges?

Nicole S, January 31, 2025

What is the Coalition’s plan for nuclear power?

The Australian Coalition, led by opposition leader Peter Dutton, has proposed integrating nuclear energy into Australia’s power grid. Their strategy involves repurposing existing coal power plant sites to house nuclear reactors, aiming for long-term energy security and emissions reduction.

Key features of the plan:

Number of plants: Seven nuclear power plants are planned at current coal-fired power station sites.
Locations: Expected to be in New South Wales, Victoria, Queensland, South Australia, and Western Australia.
Timeline: The first plants are expected to be operational before 2040.
Estimated cost: $331 billion for construction and infrastructure development.
Comparative costs: Coalition claims its nuclear plan will be 44% cheaper than Labor’s renewable transition, which they estimate at $591 billion.
Primary goal: Provide a stable, baseload power supply with lower emissions compared to fossil fuels.
Job creation: Expected to generate thousands of jobs in engineering, construction, and nuclear facility operations.

Potential challenges and criticisms:

High initial costs: Nuclear projects require large capital investment and can experience cost overruns.
Long construction periods: With the first plants not operational until at least 2040, Australia will continue relying on fossil fuels for decades.
Carbon emissions during transition: Reports estimate 1.6 billion tonnes of CO₂ emissions could be released between 2025 and 2051 due to prolonged coal and gas use before nuclear is fully integrated.
Waste disposal: Australia currently lacks a high-level nuclear waste management facility.
Public opposition: Surveys indicate strong resistance to nuclear power in some regions, particularly over safety and waste concerns.

The Coalition argues that nuclear energy is essential for Australia’s energy security and emissions reduction, but critics question whether the high costs and long timelines make it a viable alternative to renewables. According to their modelling, the plan would cost approximately $331 billion.

However, these estimates have been met with scepticism. Critics argue that the Coalition’s assumptions are overly optimistic, particularly regarding the projected costs of nuclear energy. For instance, the Coalition assumes nuclear energy can be supplied at $30 per megawatt-hour (MWh), while the CSIRO estimates a more realistic cost between $145 and $238 per MWh.

Additionally, the Climate Council has conducted independent analyses that suggest the Coalition’s nuclear plan could lead to at least $308 billion in climate pollution costs between 2025 and 2050 due to the prolonged reliance on fossil fuels during the transition period.

Therefore, while the Coalition has provided its own cost projections, these figures are subject to debate, with various organisations offering alternative estimates that highlight potential underestimations in the Coalition’s modelling.

Economic impact

If the Coalition wins the election and implements its nuclear energy plan, the economic impact on Australia will be substantial. The Coalition has proposed investing $331 billion to establish a domestic nuclear power industry over the next few decades. This includes constructing seven nuclear power plants by 2050 to replace aging coal-fired stations and ensure long-term energy security. Proponents argue that nuclear energy could stabilise electricity prices, create thousands of long-term jobs, and help Australia transition away from fossil fuels. However, critics warn that nuclear projects have significant upfront costs, long construction times, and potential cost overruns, which could place a financial burden on taxpayers.

Despite potential economic benefits, concerns remain about the feasibility and overall costs of nuclear power in Australia. A report by the Climate Council suggests that the Coalition’s nuclear plan could cost up to $490 billion more than expected and result in one billion additional tonnes of CO₂ emissions compared to alternative renewable energy strategies. Unlike solar and wind projects, which can be deployed quickly, nuclear plants take decades to become operational, delaying their economic benefits. Additionally, Australia would need to develop a regulatory framework for nuclear energy, including safety measures and waste disposal infrastructure, which could further increase costs. This has led to strong debates about whether nuclear energy is a viable economic option for the country.

With the information we have, let’s examine the predictions for Australia’s economy over the next 50 years.