Factcheck: 10 flaws in the Conservative report on ‘cheap power’

A newly released report by the UK's opposition Conservative Party has come under scrutiny for its flawed reasoning and misleading projections regarding the future of electricity pricing and climate policy. The report, produced by the centre-right thinktank Onward, argues that abandoning the UK's net-zero by 2050 target would lead to cheaper electricity and greater economic prosperity. However, experts have identified numerous shortcomings in the analysis, suggesting the report undermines its own central premise. The report claims that scrapping net-zero policies could save the UK over £320 billion by 2050, according to figures cited in the document. It suggests that cheaper electricity would encourage the adoption of electric vehicles and heat pumps, thereby increasing electrification and reducing emissions. Shadow energy secretary Claire Coutinho, in the foreword, states that making electricity affordable would ensure both "prosperity and a better environment." But the report's findings contradict its stated goal. According to the analysis conducted by Transira Energy, the alternative policy pathway proposed by Onward leads to an additional 524 million tonnes of carbon dioxide emissions between 2030 and 2050, equivalent to the annual emissions of South Africa. This outcome is attributed to an increased reliance on unabated gas-fired power generation, which emits significantly more greenhouse gases compared to renewable sources. Critics point out that the report makes several questionable assumptions, including the belief that gas prices will remain consistently low and stable. Experts argue that these assumptions are unrealistic given historical trends and current market dynamics. Iain Staffell, an associate professor of sustainable energy at Imperial College London, described the report as telling "a good story," but noted that the underlying modelling "has more holes than a Swiss cheese." He emphasized that with more accurate assumptions, the report's conclusions would likely be reversed, showing that renewable energy sources, not gas or nuclear, would offer the lowest overall costs. The report compares two scenarios: one following existing net-zero policies, which aim to achieve a clean power system by 2045, and another that abandons the 2050 net-zero target. The alternative path, however, reduces the focus on electrification and instead promotes more gas and nuclear power capacity. This aligns with the Conservatives' broader policy platform, which criticizes net-zero targets for driving up energy costs and argues that climate change can be addressed without such ambitious goals. Despite the Conservatives' assertion that cheaper electricity would accelerate the transition to electric vehicles and heat pumps, the report indicates that the opposite might occur. The removal of government subsidies and mandates, such as the boiler upgrade scheme, is expected to slow down the adoption of these technologies. Lower electricity costs alone, without supporting policies, may not be sufficient to drive widespread electrification. The implications of the report extend beyond the immediate debate over energy policy. By proposing a shift away from net-zero commitments, the Conservatives are challenging the scientific consensus on the necessity of reducing global emissions to limit climate change. The UK's net-zero target is grounded in the understanding that continued warming will worsen climate impacts unless emissions reach net-zero globally. Abandoning this goal risks exacerbating environmental degradation and increasing vulnerability to extreme weather events. The controversy surrounding the report highlights the growing divide between political parties on how best to address climate change. While the Conservatives advocate for a more economically focused approach, proponents of net-zero policies stress the importance of long-term sustainability and global cooperation. As the debate continues, the accuracy and integrity of the evidence presented in such reports will play a crucial role in shaping public discourse and policy decisions.