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OVO Energy report says homes could save £23,000 from green tech

Louise Frohlich
Written By
Maximilian Schwerdtfeger
Reviewed By
Published on 6 August 2025
  • Households could save as much as £23,000 by switching to green technology
  • 0.2% of total annual GDP is needed to reach net zero
  • Relying on fossil fuels could cost the economy billions in the next few decades
72% of households who have installed green technology say they regret not doing it sooner

Households could save as much as £23,000 in the next 15 years by investing in clean energy technology, such as solar panels and heat pumps, according to a report from provider OVO .

The Green Home Bonus report showed that despite the initial upfront costs of solar panels and heat pumps, households could make huge savings in just a decade, with as much as £13,000 being wiped off energy bills by 2035, and £23,000 by 2024 compared to consumers who use oil or gas.

It also suggests that failing to upgrade our homes will be a detriment to our economy in the coming decades. David Buttress, CEO of OVO, said that households will end up paying more for energy if the UK doesn’t decarbonise, with the potential cost being in the billions.

Buttress went on to say that the government’s efforts, such as its £13.2bn Warm Homes Plan may not be enough as the country is being held back by a “constant misunderstanding” of what net zero is and not enough emphasis on the financial benefits.

The cost of achieving net zero, Buttress said, would only be around 0.2% of total annual GDP, investment of which will mostly come from the private sector.

“We talk endlessly about the cost of action and investing in net-zero – but the real crisis is the cost of inaction, and the investment that our energy system would require even without net zero upgrades.

“We need to move away from endless debate and accept that there is a clear economic reason for moving to clean energy sources.”

These barriers are costing the general public millions every year, with 80% of UK households wanting to introduce low-carbon tech to their households.

The data, reviewed by academics from the University of Exeter, the University of Leeds and the University of Stirling, shows that over 70% of households think change is impossible with such high upfront costs, and most low-income households (92%) feel domestic green technology feels out of reach. 

Dr Maximilian Gerrath, associate professor of marketing, University of Leeds, said that consumers aren’t convinced of the benefits to their bills.

“Most people don’t resist green upgrades because they dislike them – they resist because the benefits feel distant, while the costs are immediate,” he said.

Nick Davies, head of climate policy, Green Alliance, said that upgrading homes with clean tech isn’t just good for the planet but will help our “bank balances in the long run”.

Speaking about OVO’s report, Davies said the research shows just how big the green homes bonus can be for households that switch to clean tech like solar, home EV charging and heat pumps. 

“We need more households to be able to access government support or finance to cover the upfront costs for these upgrades, so that more people can enjoy the cash-saving benefits of clean technology,” Davies said.  

Homeowners who install green technology are able to save money through cash savings while increasing the value of their home. OVO’s research suggests customers would need to spend £15,470 for a range of green technology, including a heat pump, solar panels, an electric vehicle (EV) and improved insulation, to see significant savings after a 10-year period.

Written By

Louise Frohlich

Joining Eco Experts in April 2024 as Editorial Assistant, Louise has a keen interest in low-carbon technology and enjoys writing about anything sustainability related.

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Reviewed By

Maximilian Schwerdtfeger

Max joined The Eco Experts as content manager in February 2024. He has written about sustainability issues across numerous industries, including maritime, supply chain, finance, mining, and retail. He has also written extensively for consumer titles like City AM, The Morning Star, and The Daily Express.

In 2020, he covered in detail the International Maritime Organisation’s (IMO) legislation on sulphur emissions and its effects on the global container shipping market as online editor of Port Technology International.

He also explored the initiatives major container ports and terminals have launched in order to ship vital goods across the world without polluting the environment.

Since then, he has reported heavily on the impact made by environmental, social, and governance (ESG) practices on the supply chain of minerals, with a particular focus on rare earth mining in Africa.

As part of this, in 2022 Max visited mines and ports in Angola to hone in on the challenges being faced by one of the world’s biggest producers of rare earth minerals.

His most recent sustainability-related work came much closer to home, as he investigated the eco-challenges faced by independent retailers in the UK, specifically looking at how they can cut emissions and continue to thrive.

Max lives in South London and is an avid reader of books on modern history and ghost stories. He has also recently learned to play the game Mahjong and takes every opportunity to do so. He is also yet to find a sport he doesn’t enjoy watching.

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