A new CSIRO report has contradicted claims by the Coalition and One Nation that abandoning a net zero climate target would bring down power prices, revealing that generation costs will likely rise after 2030 regardless of policy. The annual GenCost report, which analyzes electricity generation costs in Australia, shows that nuclear power—promoted by these political groups—would be the most expensive option among current technologies. According to the report, electricity prices and energy policy remain politically contentious, with the Coalition abandoning its net zero by 2050 target and One Nation rejecting climate science outright.
Key Findings from the CSIRO GenCost Report
The report, led by CSIRO chief energy economist Paul Graham, concludes that abandoning net zero does not open up a low-cost pathway for electricity. As coal plants retire, they must be replaced; if replaced with new coal, costs remain similar to renewable replacements, but greenhouse gas emissions increase. Graham stated: “If you do want to reach net zero then you have to do that abatement somewhere else.” The analysis shows the cost of abatement is lower in the electricity sector.
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Nuclear Power: The Most Expensive Option
The GenCost report specifically highlights that electricity from nuclear plants would cost more than other generation methods. This directly challenges the Coalition and One Nation’s promotion of nuclear energy as a solution to lower power prices. Additionally, a boom in power-hungry datacentres in the United States is driving up costs of gas turbines, while batteries are increasingly replacing gas for evening peak demand in Australia.
Comparison of Electricity Generation Costs
| Technology | Cost Ranking | Key Trend |
|---|---|---|
| Renewables (solar, wind) | Lowest | Declining costs with battery integration |
| Coal | Moderate | Rising due to retirement and replacement costs |
| Gas Turbines | High | Increasing due to US datacentre demand |
| Nuclear | Highest | Most expensive, no cost reduction expected |
Key Takeaways
- Abandoning net zero does not lower electricity prices; costs rise after 2030 regardless.
- Nuclear power is the most expensive generation option, contradicting political claims.
- Batteries are replacing gas for evening peak demand in Australia.
- Coal plant delays increase emissions and do not reduce costs.
- Energy policy remains a divisive issue ahead of elections.
FAQ
Does abandoning net zero lower power prices?
No, the CSIRO GenCost report finds that generation costs will likely rise after 2030 regardless of net zero policy. Abandoning net zero does not open up a low-cost pathway.
Is nuclear power a cheap energy option?
No, according to the report, electricity from nuclear plants is the most expensive among current generation options, contradicting claims by the Coalition and One Nation.
What is replacing gas for peak electricity demand?
Batteries are increasingly replacing gas turbines for providing electricity during evening peaks in Australia, as noted in the CSIRO report.
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