Onward report on Net zero costs sparks dispute

Onward report on Net zero costs sparks dispute

The UK's commitment to Net Zero by 2050 is a legally binding target, enshrined in the Climate Change Act 2008. This ambitious goal aims to eliminate the country's contribution to climate change, but its economic implications are a subject of intense debate. A new report, "Firm Foundations," published by the centre-right think tank Onward and backed by the UK Conservative Party, suggests that scrapping Net Zero policies could save households approximately £540 per year between 2030 and 2050. However, these claims are widely disputed by various figures and organisations, including UK Energy Secretary Miatta Fahnbulleh, who argues that reliance on fossil fuels, not green policies, is the primary driver of energy price volatility and economic instability1.

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The UK's Net zero commitment: a legal imperative

The UK has positioned itself as a global leader in climate action, with a clear legal framework guiding its decarbonisation efforts.

What is Net zero and why is it important?

Net Zero refers to achieving a balance between the amount of greenhouse gas emissions produced and the amount removed from the atmosphere. This balance is crucial for stabilising global temperatures and mitigating the most severe impacts of climate change. For the UK, reaching Net Zero means drastically reducing emissions from all sectors, including energy, transport, industry, and agriculture.

The climate change act 2008 and 2050 target

The Climate Change Act 2008 made the UK the first country to establish a long-term, legally binding framework to cut carbon emissions. In 2019, this Act was amended to commit the UK government by law to reducing greenhouse gas emissions by at least 100% of 1990 levels (Net Zero) by 2050. This target cemented the UK's position as a pioneer in climate legislation.

Key pillars of the UK's Net zero strategy

The UK's Net Zero Strategy, outlined in documents like "Build Back Greener," focuses on decarbonising the power sector, promoting electric vehicles, improving energy efficiency in homes, and investing in carbon capture technologies. This comprehensive approach aims to transform the UK economy and society to meet its climate obligations.

The economic debate: unpacking the costs and benefits

The transition to Net Zero involves significant investment, leading to ongoing discussions about its economic impact.

The 'firm Foundations' report and its claims

A recent report, "Firm Foundations," published by the centre-right think tank Onward and supported by the UK Conservative Party, suggests that scrapping Net Zero policies could save households approximately £540 per year between 2030 and 2050. The report, which used modelling by consultancy Transira Energy, claims that the cost of Net Zero could reach around £540 per year between 2030 and 2050. It proposes an "alternative policy pathway" that prioritises firm, dispatchable power.

Critics' rebuttal: fossil fuels, not Net zero, drive up bills

However, these claims are widely disputed by various figures and organisations. UK Energy Secretary Miatta Fahnbulleh stated that abandoning Net Zero would "tie Britain to the fossil fuel rollercoaster and keep bills higher for families". She has argued that clean energy is a key solution to lower bills.

Jess Ralston from the Energy and Climate Intelligence Unit (ECIU) highlighted that "renewable energy has already reduced wholesale electricity prices". Ellie Mae O’Hagan of E3G pointed out that the gas price crisis has cost the UK economy "£183 billion". She added that this makes it "the worst possible time to keep us hooked on these expensive dirty fuels". Critics argue that the UK's reliance on volatile global fossil fuel markets, not Net Zero policies, is the primary driver of high energy costs and economic instability. Understanding your energy bill can help you see how these factors impact your household finances.

The true cost of inaction on climate change

Beyond direct energy bills, the cost of inaction on climate change is substantial. Climate change is already leading to extreme weather events, such as record-breaking temperatures, which have wider economic and social consequences, including impacts on infrastructure, agriculture, and public health. These costs are often overlooked in debates focusing solely on the immediate expenses of climate policies.

Renewable energy: the solution to high bills and energy insecurity

The shift to renewable energy sources offers a clear path to more affordable and secure energy for the UK.

How renewables reduce wholesale electricity prices

Renewable energy sources, particularly wind and solar, have a marginal cost of electricity generation close to zero once built. This means that as more renewables come online, they displace more expensive fossil fuel generation, especially gas, from the wholesale electricity market. This effect has been observed to reduce wholesale electricity prices significantly.

How do renewables lower electricity prices?

Renewable energy sources like wind and solar have very low operating costs once built. When they generate electricity, they displace more expensive fossil fuel power plants, especially those burning gas, from the wholesale market. This increased supply of cheaper electricity drives down the overall wholesale price, benefiting consumers by reducing the cost component of their energy bills.

Boosting UK energy security with homegrown power

Increasing the share of homegrown renewable energy enhances the UK's energy security by reducing its reliance on imported fossil fuels, which are subject to volatile international markets and geopolitical events. Jess Ralston from the ECIU highlighted that "renewable energy has already reduced wholesale electricity prices", and noted that more renewables provide greater stability, as the fuel source (wind or sun) is free once the infrastructure is built.

Creating green jobs and economic growth

The energy transition is also a significant opportunity for economic growth and job creation. Investment in renewable energy projects, manufacturing, and associated technologies creates new employment opportunities across the country. Miatta Fahnbulleh has emphasised the potential for a clean energy transition to create jobs and bring down bills.

Challenging the scarcity narrative: abundance through clean energy

The narrative that energy must be scarce and expensive is being actively challenged by the potential of abundant clean energy.

Moving beyond 'use less': a new energy paradigm

For decades, the energy industry often promoted a "use less" message, framing energy as a scarce resource. However, the rapid advancements and deployment of renewable technologies are shifting this paradigm. The focus is moving towards generating abundant, clean energy that can meet demand without the associated environmental and economic costs of fossil fuels. This approach allows for a future where energy is not a commodity to be rationed, but a readily available resource.

The long-term economic advantages of decarbonisation

Decarbonisation, driven by clean energy, offers long-term economic advantages. It insulates the UK economy from the volatility of global fossil fuel markets, fosters innovation, and creates new industries. By investing in a modern energy system, the UK can achieve greater economic resilience and competitiveness on the global stage. The argument that clean energy is inherently more expensive often fails to account for the hidden costs of fossil fuels, including their environmental impact and geopolitical risks.

Empowering households with stable, affordable energy

A future powered by abundant clean energy empowers households with stable and affordable energy. As renewable generation costs continue to fall, and as the UK builds out its own clean energy infrastructure, consumers will benefit from lower and more predictable energy bills. This shift provides "power to play with" for consumers, offering greater control and protection from price shocks, rather than the powerlessness associated with fluctuating fossil fuel prices. Learning how to read your smart meter can give you more control over your energy usage.

The path ahead: policy, progress, and public perception

Navigating the energy transition requires clear policy, continued progress, and broad public support.

Government strategy and future outlook

The UK government's Net Zero strategy aims to deliver on its legal commitments through a combination of policies and investments. While debates continue regarding the pace and methods of this transition, the overarching goal remains legally binding. Future policies will need to balance economic considerations with environmental imperatives, ensuring a just and equitable transition for all.

Addressing public concerns and building consensus

Addressing public concerns about the cost of living and energy bills is crucial for building consensus around Net Zero policies. Transparent communication about the long-term benefits of clean energy, coupled with support mechanisms for households during the transition, can help to counter scarcity narratives and foster greater public acceptance. Highlighting the economic risks of continued fossil fuel reliance is also key to this dialogue.

The UK's role in global climate action

The UK's commitment to Net Zero sets an important international precedent. By demonstrating that a major economy can successfully transition to a clean energy system while maintaining economic stability and growth, the UK can inspire further global action. This leadership role is vital for addressing the collective challenge of climate change.

Managing your energy bills should be clear and easy to understand. Fuse Energy focuses on straightforward pricing, so you can see exactly what you're paying without unnecessary complexity. If you have a smart meter, you can view detailed usage data through the app or website, helping you understand how you can lower your bills. Our 24/7 human support team is always on hand with fast response times whenever you need help. Click here to switch to Fuse Energy today. Find out about our mission by clicking here.

References

  1. Renewable Energy Magazine. Claims made by new Net Zero report supported by UK Conservative Party are widely disputed
Published on 22 Aug 2026

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Disclaimer

For the avoidance of doubt, this article is provided for informational purposes only and is not intended to constitute legal or financial advice. The author and/or Fuse Energy shall not be responsible for any losses arising out of any reliance on the information contained herein.