A major supplier is giving households free electricity on Sundays. has brought back its Sunday Saver challenge this month.

To earn the free electricity, you have to switch your electricity use away from weekday peak hours each week (4pm to 7pm). In return, you will get between four and 16 hours of free electricity to use the following Sunday.

A 5% reduction in peak consumption would earn four hours of free electricity, a 20% reduction earns eight hours, 35% earns twelve hours, and using 50% less earns 16 hours of free electricity.

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The current round of Sunday Saver is set to last until June 8. But in order to take part, you needed to have signed up through your EDF account by May 4.

It is worth keeping an eye on your emails, as EDF regularly announces new Sunday Saver challenges. You need a working smart meter that sends readings every 30 minutes to EDF.

More than 150,000 customers have benefitted from Sunday Saver since the challenge began last year, earning over six million free hours of electricity, with £1.6million being credited to customer bill accounts.

Rich Hughes, Director of Retail at EDF, said: “EDF's Sunday Saver challenge has been a tremendous success so far - not only is it helping customers but customers are also taking steps to contribute to a more sustainable electricity grid.

“Thanks to smart meters, customers can access innovative schemes like Sunday Saver and easily track their energy usage in our Energy Hub platform, helping them identify areas they can save in their house and reduce their carbon footprint.”

It comes after energy analysts at Cornwall Insight today predicted the Ofgem price cap will fall by £129 on average from this summer. The Ofgem energy price cap is currently set at £1,849 a year for the typical household paying by direct debit.

The latest forecast from analysts at Cornwall Insight say this could fall by around 7% to £1,720 from July - however, this is still far more expensive than what used to be. The exact amount you pay for energy depends on how much gas and electricity you use.

The Ofgem price cap does not put a limit on how much you can pay for energy - instead, it sets a maximum unit price for unit rates of gas and electricity, plus standing charges.

The energy price cap covers around 22 million households in England, Wales and and is updated every three months. Cornwall Insight expects "a modest drop" in the price cap this October, followed by another in January 2026.