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My electric meter seems inaccurate, can you explain this?
Hi, I have just taken a meter reading and the units seem massively off.
My day units have not gone up since my reading 83 days ago. And my night units have gone up by 800, when in the previous month we used 100 in a month.
Might the meter be reading all the day units as night units or something? is this possible for a meter to do?

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Notify Octopus by email and they should sort it out, as it clearly looks to be wrong. If you really want to confirm it, just check which register advances during the day. The good news is you've been getting cheaper electricity!
They might try to estimate what your real daytime usage was according to your history, and bill you accordingly, but so long as you get an acknowledgement of your email telling them, you've done your bit
Edit: BTW it doesn't sound as if you'd benefit at all being on a E7 tariff - if billed correctly!I’m a Forum Ambassador and I support the Forum Team on the In My Home MoneySaving, Energy and Techie Stuff boards. If you need any help on these boards, do let me know. Please note that Ambassadors are not moderators. Any posts you spot in breach of the Forum Rules should be reported via the report button, or by emailing forumteam@moneysavingexpert.com.
All views are my own and not the official line of MoneySavingExpert.
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Do you have a smart meter or an analogue meter with a teleswitch?0
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Both the Dec and Feb readings are shown as Your Readings. Are you sure they are correct |?Never pay on an estimated bill. Always read and understand your bill0
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victor2 said:Notify Octopus by email and they should sort it out, as it clearly looks to be wrong. If you really want to confirm it, just check which register advances during the day. The good news is you've been getting cheaper electricity!
They might try to estimate what your real daytime usage was according to your history, and bill you accordingly, but so long as you get an acknowledgement of your email telling them, you've done your bit
Edit: BTW it doesn't sound as if you'd benefit at all being on a E7 tariff - if billed correctly!Do I have any contractual responsibilities to notify them? As indeed I am getting much cheaper electricity right now...I will be closing my Octopus account in 2 months when I move house anyway.
And no it's not correct lol, I can't think of any reason why the night time electricity would have shot up during my sleep since December!Dolor said:Do you have a smart meter or an analogue meter with a teleswitch?
Its not a smart meter, just a normal meter? This is my first time living in a house of my own, so not sure what other meters look like.
Those are the readings I put in. I was just checking my accounts and noticed I hadn't been charged for electricity in Jan or Feb - I guess they only charge you if you give a monthly meter reading, which I thought was strange. So I took a reading.Robin9 said:Both the Dec and Feb readings are shown as Your Readings. Are you sure they are correct |?0 -
You haven't told us if it's tele-switched or not. If it is, it'll have a radio unit attached to receive the LW signal. Conventional E7 meters have a clockwork switching function. Post a pic if in doubt.
If I read Dolor correctly, he is thinking that it has failed or stuck the meter onto permanent night rate?
No, you've no obligation to report it, but remember that they have up to 6 years to rebill you if the fault is found subsequently, so you might get a surprise bill years down the line.No free lunch, and no free laptop
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macman said:You haven't told us if it's tele-switched or not. If it is, it'll have a radio unit attached to receive the LW signal. Conventional E7 meters have a clockwork switching function. Post a pic if in doubt.
If I read Dolor correctly, he is thinking that it has failed or stuck the meter onto permanent night rate?
No, you've no obligation to report it, but remember that they have up to 6 years to rebill you if the fault is found subsequently, so you might get a surprise bill years down the line.This is my electric meter:Not sure how they can retroactively amend readings, I thought that the meter has no way of communicating its data - I guess that is what you're asking about a radio unit. I don't see any radio unit.
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The radio teleswitch unit is what is used in some cases to switch the meter between the peak and off peak rate. Not all meters have them though.
You mentioned moving out by the way - be sure to do the decent thing and let the new occupants know that there is an issue with the meter that has been reported to the supplier - as they will need to report it again when they open their account on moving in.🎉 MORTGAGE FREE (First time!) 30/09/2016 🎉 And now we go again…New mortgage taken 01/09/23 🏡
Balance as at 01/09/23 = £115,000.00 Balance as at 31/12/23 = £112,000.00
Balance as at 31/08/24 = £105,400.00 Balance as at 31/12/24 = £102,500.00
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Balance as at 31/08/25 = £ 95,450.00. Balance as at 31/12/25 = £ 91,100.00
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Hi,in your photie the pointer is at normal/day rate, was the disc rotating then?Could we have a photie of time switch/clock please?Why is seal missing from cut-out, been doing a bit diy?0
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You do. There has to be some method of switching from peak to off-peak.macman said:You haven't told us if it's tele-switched or not. If it is, it'll have a radio unit attached to receive the LW signal. Conventional E7 meters have a clockwork switching function. Post a pic if in doubt.
If I read Dolor correctly, he is thinking that it has failed or stuck the meter onto permanent night rate?
No, you've no obligation to report it, but remember that they have up to 6 years to rebill you if the fault is found subsequently, so you might get a surprise bill years down the line.0 -
The meter is 30 years old. It has developed a fault. Your supplier should replace it ASAP really.0
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