The UK's Plan to Cut 87% of Greenhouse Gas Emissions by 2042

​​​​​​​The UK Government has set out a new pathway to reduce emissions by approximately 87% between 2038 and 2042, placing energy system transformation at the centre of its strategy.

Announced alongside broader policy developments, including the proposed energy independence bill, the target reflects a growing focus on domestic energy generation, reduced reliance on volatile fossil fuel markets and long-term affordability for households and businesses.

As Britain accelerates its transition away from fossil fuels, the government is positioning clean, domestically produced energy as the foundation of economic resilience and future growth.

'Clean homegrown power'

The proposed Seventh Carbon Budget marks a significant step in reshaping the UK’s energy mix towards low-carbon sources.

According to the UK Government, the plan is designed to insulate the country from global energy price volatility while strengthening long-term economic stability.

The framework builds on the Climate Change Act 2008, which has already helped channel billions into the UK’s energy transition and establish a competitive clean energy sector.

Since July 2024, more than £90bn (US$121bn) of private investment has been committed to projects spanning nuclear, renewables and carbon capture, including developments in Teesside and the Sizewell C nuclear plant.

“As Britain faces the second fossil fuel shock of the decade, the only way to protect family and business finances is to drive for clean homegrown power that we control,” says Energy Secretary, Ed Miliband.

“What has been achieved so far by businesses and communities across the country is a great British success story – cutting costs by upgrading homes, backing British businesses, supporting one million good jobs according to new analysis from CBI Economics, and protecting our beautiful countryside.

“Some people want to stick their heads in the sand and let our children face the consequences of climate breakdown - but this government believes in the timeless British value of protecting our country for generations to come.”

The net zero economy already supports more than one million jobs and is forecast to contribute £105bn (US$141bn) in gross value added to the UK economy in 2025.

“Another spike in gas prices shows the real cost of staying tied to fossil fuels. Reaching net zero won’t just protect the climate, it’ll help protect households, strengthen the economy, and safeguard the natural world we all rely on – and it will cost us less than one fossil fuel shock per decade,” says Rick Parfett, Head of Climate Policy at the WWF.

“Our green economy is already a real success story, delivering growth in every part of the UK and supporting over a million jobs.

“Today’s announcement should give businesses confidence to invest in a fair transition, backed by independent advice and the Climate Change Act, but we need clear, credible and ambitious policies to make that happen.

“That means using the National Wealth Fund and GB Energy to help more people power their homes with clean energy, cut bills, and support nature’s recovery.”

A consumer-led change

At the heart of the strategy is a shift towards electrification and greater consumer participation in the energy system.

The emissions target relies on increased adoption of solar generation, battery storage and electric vehicles, enabling households to produce, store and manage their own energy.

March saw the highest level of solar deployment in over a decade, alongside record EV sales.

“The record-breaking May heatwave is another reminder that climate change is no longer a distant prospect. Increased heatwaves, flooding and nature loss are becoming the new norm for our country,” says Climate Minister, Katie White.

“That’s why we’re continuing to set a clear investment framework which will electrify Britain, maximising the benefits of clean power with cleaner air, warmer homes, energy security, investment into Britain and thousands of jobs in the industries of the future.”

Households installing solar panels could save up to £500 (US$672) annually, while EV owners may reduce running costs by as much as £1,400 (US$1,884) per year.

Alongside this, the £15bn (US$20bn) Warm Homes Plan is expected to deliver large-scale efficiency upgrades, cutting energy demand and lowering bills nationwide.

An emphasis on energy security

Reducing reliance on imported fossil fuels remains a central pillar of the UK’s energy strategy.

“Every step forward on the energy transition is welcome but the prize is bigger than emissions alone. It’s the chance to transform a system built for a different century into one that works for customers where flexibility is rewarded, demand is dynamic and pounds end up back in people’s pockets,” says Chris Norbury, CEO of E.ON UK.

“Action now means lower bills and energy security all moving in the same direction.”

With around half of UK recessions since 1970 linked to fossil fuel shocks, policymakers are prioritising resilience through diversification of energy sources.

Recent investments in renewables are projected to generate enough electricity to power the equivalent of 23 million homes. Longer-term modelling suggests fossil fuel dependence could fall from roughly 75% of energy use today to around 15% by 2050.

“Moving away from our reliance on fossil fuels is critical to restoring nature in the UK. Our security, prosperity and wellbeing all rely on having a healthy natural world, and the good news is that nature can play a significant role in helping us to meet carbon targets,” says Kevin Austin, Director of Policy and Advocacy at the RSPB.

“Restoring peatland, planting native trees, speeding up the rollout of renewable energy and decarbonising the economy are all key to delivering the healthy ecosystems people and wildlife depend on.”

The transition is also expected to support more than 400,000 additional jobs by 2030, with roles in clean energy sectors typically offering higher productivity and wages than the national average.

The wider benefits of sustainability

Beyond reshaping the energy system, the transition is expected to deliver broader societal and environmental gains.

Reduced fossil fuel use is projected to improve air quality, potentially preventing around 8,000 hospital admissions annually by 2050 and easing pressure on the NHS.

Nature-based solutions, including peatland restoration and woodland creation, could generate approximately £50bn (US$67bn) in environmental benefits by mid-century through improved biodiversity, water quality and flood resilience.

The government also warns that delays to energy transition efforts could increase risks to food systems, infrastructure and national security.

“The Committee is delighted that the government have accepted the CCC’s advised level for the Seventh Carbon Budget,” says Nigel Topping CMG, Chair of the Climate Change Committee.

“The lower-cost, energy-secure future is electric – so we hope to see the government plan to accelerate electrification, in particular by making electricity cheaper.

“The government must make its own pathway; but investors, businesses, and trade unions can have confidence in the work that we have done to show this is a feasible yet ambitious approach to a more secure world.

“We will continue to hold the government to account for how it delivers against its targets and celebrate the successes the country has achieved.”