Here’s Why I’m Not Doing EDF Energy’s ‘Sunday Saver’ Challenge

Recently my energy supplier, EDF Energy, has been sending me invitations to sign up for what it calls its ‘Sunday Saver’ challenge.

The way this works is that you sign up to shift some of your electricity usage on weekdays away from peak hours (4pm-7pm). When you hit your target (which is set individually for each user by EDF), you earn free electricity the following Sunday. 

EDF say, ‘The more you shift, the more you earn – reduce your weekly peak usage by 40% and you could earn up to 16 hours of free electricity per week.’ 

The challenge is due to take place monthly, starting on the first Monday of each month.

At first glance you might think this is a good offer. But as I have looked into it more, my doubts have grown. Here are my main reservations…

  1. To benefit from this scheme you have to cut your daily energy usage every weekday between 4pm and 7pm. That’s quite a long period (three hours), and coincides with when I would normally be cooking my evening meal. To have any realistic chance of cutting my energy use during this time, I would have to eat either ridiculously early or significantly later than normal. For various reasons, including my health, I prefer to eat between 6 and 7 pm and no later. So that in itself is a big ask and would impact drastically on my normal routine.
  2. Free electricity on Sunday sounds great, but the devil is in the detail. EDF say that you will get ‘up to 16 hours’ of free electricity if you meet their targets, but are very vague about what this means in practice. Specifically, they don’t explain how your energy-saving targets are calculated, how any reduction in usage translates to free hours, or when on Sunday you will be able to use the free electricity awarded.
  3. In addition, they say there are ‘fair usage’ limits to how much free electricity you can have. Again, they are vague about what this means in practice. The obvious way to use your free electricity would be to charge your EV, and I strongly suspect limits would be placed on this. As for me, I don’t have an EV and don’t want one, so my options for benefiting from the free electricity would be limited. I could shift use of appliances like my washing machine to Sunday but doubt if I could save more than a few kw/h this way (obviously the exact number would depend on how many free hours I was allocated, which is anyone’s guess). That means my free electricity would likely benefit me by no more than a pound or two. 
  4. Lastly, as a solar panel owner I already get some free electricity anyway. My panels obviously generate less in the winter, but during daylight hours they still produce something. That means any benefit from free electricity on Sundays will be reduced, especially if (as is likely) the free hours are in the day rather than at night.

Overall, then, I am not much enamoured of EDF’s Sunday Saver challenges and won’t be signing up. Ultimately, I am not prepared to make major changes to my day-to-day schedule in pursuit of what will likely be (in my case anyway) minuscule rewards. 

Obviously some will see this differently and I wish them well. And it’s good that EDF (and other companies) are exploring ways to help customers reduce their bills. I do just think this particular one – for me anyway – is a non-starter. 

I would be interested to hear any comments from people doing this challenge (or similar ones from other energy companies) as to whether they find it worthwhile, and whether the benefits really do justify the changes you are required to make.

  • I do still recommend EDF Energy based on my personal experiences with them. And as I’ve said before on PAS, I can offer anyone switching to EDF £50 off their bills if they use my refer-a-friend link at  https://edfenergy.com/quote/refer-a-friend/sunny-koala-9462 when applying. I will also get £50 off my bill if you do this, which is duly appreciated 🙂

UPDATE 22 OCTOBER 2024 – I am indebted to the readers (especially Harry!) who have taken the time to comment on this article and address some of the points raised in my original post. Based on this I have changed my views somewhat and am considering registering for the scheme when it reopens in November. If you’re still wondering whether to take the plunge, please do take the time to read the comments as (like me) they may influence your decision. I will publish an update in due course if I proceed with it next month.

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