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My electricity consumption (smart meter) suddenly increased


on 1st feb, my electricity consumption increased from about 10kwh a day to nearly 30kwh. I was not even at home on 1st feb nor for the following weeks (have been away since late Jan). The readings have remained at the higher level since then, even though the house is empty. 

Over the same period, my gas usage dropped from 4kwh a day to almost 0. Which makes more sense.

Has anyone had the same issue? Its not like it has gradually increased. 

Thanks.

Best answer by Nukecad

Updated on 02/04/25 by Abby_OVO

alison_rose36 wrote:

I just have no explaination why the house is using 0.5-0.6 from 2am to 11.30am, then 0.05 to 0.1 thereafter.

 

If it’s a regular 02:00 to 11.30 then that sounds like something on a timer, or possibly a thermostat, or both.

If it’s 0.5-0.6 kWh each half hour then that would indicate that whatever it is is using an extra 500W during those 9-½ hours.

Typical suspects for using around 500W could be a ‘free standing’ electric radiator (the type often used to keep the chill off bedrooms and bathrooms), a heated towel rail, maybe a garage or greenhouse heater.

Do you own anything like those that may be kicking in?

I’m thinking particularly the free standing radiator - if your main heating is off while you are away then one of those if left switched on may well have started kicking in when it gets colder overnight.

 

PS. never say never, but I doubt that 500W would be worth anyones effort to deliberately abstract (steal) from someone else.

 

alison_rose36 wrote:

Thanks very much - my son went to my house and found that the electrical heater (Id forgotten about - Im 89) in the conservatory was what was doing it. No idea why it suddenly started working, but its on a timer. Now disconnected.

Problem solved. 

Very much appreciated.

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12 replies

Firedog
Plan Zero Hero
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  • Plan Zero Hero
  • 2022 replies
  • March 30, 2025

Please check your online account. It sounds as if you’re seeing estimated consumption for some reason, so check the meter reading history for clues. Estimates are based on the Future Annual Consumption prediction, which is often wildly inaccurate. See yours on the Plan page and compare it to your actual consumption over the past year.


Ben_OVO
Community Moderator
  • Community Moderator
  • 160 replies
  • March 31, 2025

Hi ​@alison_rose36,

 

I agree with ​@Firedog’s helpful info here - it may be estimated usage. If you have a smart meter it should be set up to give either daily or half-hourly reads, rather than monthly, but half-hourly is the best as it gives you the most up to date information. To get your reading schedule changed to half-hourly you’ll need to contact our Support Team.

 

If you check your readings online and they’re estimated, it might be that the meter isn’t in comms with us. In this case, you’ll need to send the results of a smart meter health check to our Support Team.

 

 

Let us know how you get on! Hopefully we’ll get to the bottom of this quickly.


  • Author
  • Carbon Cutter****
  • 6 replies
  • March 31, 2025

Its a smart meter that registers daily readings - at least thats all I can see. Hence how I know it increased from 1st Feb for no apparent reason, and when I was not at home.

 


Firedog
Plan Zero Hero
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  • Plan Zero Hero
  • 2022 replies
  • March 31, 2025
alison_rose36 wrote:

Its a smart meter that registers daily readings - at least thats all I can see. 
  

OK, but on the readings history page, you should see a label saying where each one came from, e.g. Smart, Manual or Estimated. This is mine, from the OVO Energy app:
  


If yours are all Smart, there’s something gobbling electricity in your empty house. If some of them are Estimated, this would explain the high figures, which will be corrected once a real reading - Smart or Manual - is received. That will need looking into once you’re back home.

The last time I remember a similar situation, the householder got back home to discover that he’d failed to switch off the underfloor heating in part of the house before leaving. It was ticking over at its ‘security’ setting, keeping the whole house at above 12° while it was frosty outside. Another common culprit is an immersion heater for hot water, left on and keeping all the livestock in the attic nice and warm while the owner was away. 

I don’t know whether you can see the page called Edit meter reads frequency. If you can, you could check that Data used for billing is set to Every half-hour. You might also consider doing the same for Data used for settlement.

 


  • Author
  • Carbon Cutter****
  • 6 replies
  • March 31, 2025

Thanks very much - helpful - I checked and my meter reading are “smart” and every half hour in my profile. I scrolled down and found my half hourly usage when on the day usage page.

The house is using 0.5-0.6 from 2am to 11.30am, then 0.05 to 0.1 thereafter. I cant go back to check before it went up (between 31 Jan and 1 Feb).

The consumption went up when I was not even home. Could someone be pilfering it? 

Appreciate the support.


Blastoise186
Plan Zero Hero
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  • Plan Zero Hero
  • 7917 replies
  • March 31, 2025

Sorry to intrude, but I’m just gonna sliiiiiiiiiiiiiiiide in here for a sec because of your latest comment.

If you think someone is committing energy theft, please see https://www.stayenergysafe.co.uk/ for options on how to report it.

Thank you for your understanding

Normal service will now resume


  • Author
  • Carbon Cutter****
  • 6 replies
  • March 31, 2025

Thanks - Im not at home - so need to find a way to check. I just have no explaination why the house is using 0.5-0.6 from 2am to 11.30am, then 0.05 to 0.1 thereafter. 3x what it was before. 31 Jan/1 Feb. How can I get it checked if I am not home?

 


  • Author
  • Carbon Cutter****
  • 6 replies
  • March 31, 2025

stayenergysafe was not too helpful - it was targetted at people stealing from their own meters as far as I could see. My issue is that my consumption has gone up for no reason I understand and while I was not at home. It trebled from one day to the next as I keep saying, so I would appreciate some input from anyone who could explain, or give me options to consider. 


Nukecad
Plan Zero Hero
  • Plan Zero Hero
  • 766 replies
  • Answer
  • April 1, 2025

Updated on 02/04/25 by Abby_OVO

alison_rose36 wrote:

I just have no explaination why the house is using 0.5-0.6 from 2am to 11.30am, then 0.05 to 0.1 thereafter.

 

If it’s a regular 02:00 to 11.30 then that sounds like something on a timer, or possibly a thermostat, or both.

If it’s 0.5-0.6 kWh each half hour then that would indicate that whatever it is is using an extra 500W during those 9-½ hours.

Typical suspects for using around 500W could be a ‘free standing’ electric radiator (the type often used to keep the chill off bedrooms and bathrooms), a heated towel rail, maybe a garage or greenhouse heater.

Do you own anything like those that may be kicking in?

I’m thinking particularly the free standing radiator - if your main heating is off while you are away then one of those if left switched on may well have started kicking in when it gets colder overnight.

 

PS. never say never, but I doubt that 500W would be worth anyones effort to deliberately abstract (steal) from someone else.

 

alison_rose36 wrote:

Thanks very much - my son went to my house and found that the electrical heater (Id forgotten about - Im 89) in the conservatory was what was doing it. No idea why it suddenly started working, but its on a timer. Now disconnected.

Problem solved. 

Very much appreciated.


  • Author
  • Carbon Cutter****
  • 6 replies
  • April 1, 2025

Thanks for the very helpful reply. What is strange that is kicked in while I was away and no-one is in the house. Ill get someone to drop by and check for the above. I dont have a free standing radiator though. Maybe an electric blanket? Anyway - thanks again. 


  • Author
  • Carbon Cutter****
  • 6 replies
  • April 1, 2025

Thanks very much - my son went to my house and found that the electrical heater (Id forgotten about - Im 89) in the conservatory was what was doing it. No idea why it suddenly started working, but its on a timer. Now disconnected.

Problem solved. 

Very much appreciated.


Abby_OVO
Community Manager
  • Community Manager
  • 1082 replies
  • April 2, 2025

Hey ​@alison_rose36 

 

Thanks for popping back with that update! Glad to hear you got to the bottom of that.

 

Feel free to pop back any time if you’ve every got any other questions.😊


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