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E.ON customers save more than £2mn by not using peak time power

Maximilian Schwerdtfeger
Written By
Published on 12 August 2026
  • Customers can save huge amounts by not using electricity at leak times
  • About half don’t know what off-peak means
  • Running your dishwasher off peak is much cheaper
Credit: Adobe

Households with E.ON Next have saved roughly £2.3mn by moving their electricity usage away from 4pm-7pm, however, many more are missing out because they simply don’t understand what ‘off-peak’ means.

According to the energy giant, only 50% of customers understand what it means to use electricity ‘off-peak’, while more than a third (34%) of people don’t know they could pay less by using electricity at different times.

Energy flexibility is a fantastic weapon against rising bills and price instability. Fellow energy giant Octopus Energy recently described it as one of Britain’s “great untapped energy resources”.

E.ON says its Next Smart Saver tariff helps customers take control over their energy usage by “rewarding those who can shift some electricity consumption away from peak periods”.

The Next Smart Saver is a 12-month or 24-month fixed term tariff that offers off-peak electricity rates from 5am-4pm and 7pm-2am.

While such tariffs are often associated EVs, home batteries and heat pumps, E.ON says customers can save money by making simple changes, such as running washing machines and dishwashers during cheaper, off-peak hours.

Steve Davies, director of strategy and commercial at E.ON Next, said: “During the summer months, longer daylight hours often mean people are awake and active at home later, creating more opportunities to shift electricity use into lower-cost off-peak periods.

“Customers on Next Smart Saver have already collectively saved £2.3 million by moving electricity use away from peak times, and our new two-year tariff gives households the certainty of fixed off-peak rates until 2028.”

Written By

Maximilian Schwerdtfeger

Max joined The Eco Experts as content manager in February 2024 and became deputy editor in 2025. 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.

He has represented The Eco Experts on national television several times, including the BBC’s Sunday Morning Live and ITV Tonight .

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. 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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