The UK’s transition to renewable energy and low-carbon technologies could protect households and businesses from volatile global fossil fuel markets while costing far less than critics claim, according to analysis from the Climate Change Committee.
The climate advisers estimate that reaching net zero emissions by 2050 would require about £4 billion a year, or roughly £100 billion over the next few decades.
The figure is comparable to the economic impact of fossil fuel shocks, including the surge in energy prices following Russia’s invasion of Ukraine in 2022.
The findings come as global energy markets face renewed turbulence linked to the Iran war.
Oil prices briefly climbed above $100 a barrel earlier this week as disruptions in the Middle East tightened supply.
Net zero costs debate
The Climate Change Committee said its analysis challenges claims that the UK’s net zero target would impose a major financial burden.
Some right-wing think tanks and populist politicians, including the Reform Party, have argued that reaching net zero could cost the economy as much as £9 trillion.
The CCC report disputes those estimates, saying they fail to account for the cost of continuing to buy fossil fuels if emissions targets are not met.
According to the committee, the transition to renewable power, electric vehicles, and heat pumps represents the most cost-effective pathway for the UK economy.
The findings were published on Wednesday in a report supporting the committee’s advice to ministers on the country’s seventh carbon budget.
Oil market shocks
The report was released as energy markets face renewed geopolitical pressure.
Oil prices rose above $120 a barrel on Monday after some production sites in the Middle East halted operations, and tanker traffic through the Strait of Hormuz was disrupted.
Although prices later eased slightly, supply constraints continue to affect global markets.
This marks the second major oil price shock in four years.
The earlier surge followed Russia’s invasion of Ukraine in 2022, which sent gas and oil prices sharply higher across Europe.
Economic and health gains
The CCC analysis suggests the shift away from fossil fuels could bring broader economic benefits beyond energy security.
Renewable energy systems are generally more efficient than fossil fuels and less vulnerable to supply disruptions caused by international conflicts or political tensions.
Cleaner energy could also lead to warmer homes, reduced air pollution, and increased active travel.
Changes in diet, including lower consumption of red meat, could contribute to improved public health.
The committee estimates that these combined benefits could generate annual savings of between £2 billion and £8 billion for the NHS and individuals.
Policy and political tensions
The UK is legally required to reach net zero greenhouse gas emissions by 2050.
At that point, emissions would be balanced by carbon absorption from forests, land, and carbon capture technologies.
However, the policy remains politically contested. Both the Conservative Party and Reform have pledged to scrap the net zero target.
Reform has also proposed removing incentives encouraging households to switch to heat pumps.
The government is expected to publish its response later this year to the CCC’s recommendations on the seventh carbon budget covering the period from 2038 to 2042.
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