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    • alexandrakisdimi
    • By alexandrakisdimi 12th Oct 17, 4:50 PM
    • 18Posts
    • 1Thanks
    alexandrakisdimi
    Large Electricity Bill
    • #1
    • 12th Oct 17, 4:50 PM
    Large Electricity Bill 12th Oct 17 at 4:50 PM
    Hi all,

    I've recently moved to a one bedroom flat from a house share and I just got my first electricity bill. The flat has only electricity, no gas. We are a couple, and most of the day we are both at work. Which is why I think a 300£ bill quarterly is huge.

    I can't compare it to the past cause the bills were included in the rent before and we went through with the supplier the previous tenant had (E-ON).

    Our consumption can be limited from 7:30-8:30 and 17:30-bed time (usually around 23:00-midnight) and that mostly includes the TV, half an hour cooking, maybe a blowdryer after a shower and some lights on for mostly 20 minutes. Only on weekends we might use the washing machine 3-4 times.

    I did the math and the bill shows that on average we consume around 20kWh per day, but we are out most of the day and this does not make sense. How can we consume so much?

    Only thing I can think of is that the water heater in our combi boiler is always on. I don't believe it uses so much power to justify that number, though. I know the cost is slightly more when always on. Also, we haven't turned on the heating at all the past 3 months. We don't have the lights on, except when eating, or having a small lamp no next to the couch when watching TV (LED bulbs). I am starting to think that either their readings are wrong or there is an electric leak somewhere. Unless I am wrong about the combi boiler and should turn it on, on demand.

    Using 1700kWh in 3 months is too much, especially when you spend 1/3 of the time at home, and 15 days of holidays in the meantime where everything was turned off. So basically, I am being charged 3£ for less than 8 hours of being at home. I've seen that an average usage in a one flat bedroom is north of 4000kWh, but as it seems mine will be twice as that.

    Can anyone point out how can I check what device is consuming so much power? Or anything that comes on your mind that could help us find a solution? Except from switching to LED light bulbs and power sockets off.

    PS: The building management is responsible for the meter readings, but in our case E-on had already installed a smart meter so the management told me they don't know how to read it. Tenants are forbidden to access the meters, only authorised personnel.

    EDIT: It is a combi boiler (electricity only) used for constant hot water on all taps and/or central heating controlled by the same panel. HW is on, CH is off.
    Last edited by alexandrakisdimi; 13-10-2017 at 10:20 AM. Reason: Clarification
Page 1
    • Carrot007
    • By Carrot007 12th Oct 17, 4:53 PM
    • 616 Posts
    • 507 Thanks
    Carrot007
    • #2
    • 12th Oct 17, 4:53 PM
    • #2
    • 12th Oct 17, 4:53 PM
    Can anyone point out how can I check what device is consuming so much power? Or anything that comes on your mind that could help us find a solution? Except from switching to LED light bulbs and power sockets off.
    Originally posted by alexandrakisdimi
    Only things you need to be concerned about is anything that heats.

    In order of greatest use:

    Electric Shower
    Electric heating
    Water Heating
    Kettle

    In my previous house the electric shower was half my daily cost.
    • alexandrakisdimi
    • By alexandrakisdimi 12th Oct 17, 5:00 PM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    • #3
    • 12th Oct 17, 5:00 PM
    • #3
    • 12th Oct 17, 5:00 PM
    Only things you need to be concerned about is anything that heats.

    In order of greatest use:

    Electric Shower
    Electric heating
    Water Heating
    Kettle

    In my previous house the electric shower was half my daily cost.
    Originally posted by Carrot007
    Well, the combi heater is the one providing the hot water for the shower and the rest of the flat, which is always on.
    As for the Electric heating it is turned off, I haven't even once turned the heating on.
    Now for the Kettle it is used once every morning for hot coffee, so maybe 1 minute per day

    I will try the next month whether turning off the water heater as well will reduce the sonsumption significantly. But I cannot imagine that it uses more than 10 kWh per day.

    Thank you any way for your reply.
    • Le_Kirk
    • By Le_Kirk 12th Oct 17, 6:01 PM
    • 2,146 Posts
    • 1,089 Thanks
    Le_Kirk
    • #4
    • 12th Oct 17, 6:01 PM
    • #4
    • 12th Oct 17, 6:01 PM
    Is it based on actual readings or an estimate? Are the readings correct? Are you on the correct tariff? Faulty meter maybe?
    • sevenhills
    • By sevenhills 12th Oct 17, 6:37 PM
    • 587 Posts
    • 218 Thanks
    sevenhills
    • #5
    • 12th Oct 17, 6:37 PM
    • #5
    • 12th Oct 17, 6:37 PM
    PS: The building management is responsible for the meter readings, but in our case E-on had already installed a smart meter so the management told me they don't know how to read it. Tenants are forbidden to access the meters, only authorised personnel.
    Originally posted by alexandrakisdimi
    I have a smart meter, it will display how much my energy is costing, per day. My gadget for the smart meter plugs into a 13amp socket and the display is always on.
    You need to find your smart meter.

    • sevenhills
    • By sevenhills 12th Oct 17, 6:39 PM
    • 587 Posts
    • 218 Thanks
    sevenhills
    • #6
    • 12th Oct 17, 6:39 PM
    • #6
    • 12th Oct 17, 6:39 PM
    PS: The building management is responsible for the meter readings, but in our case E-on had already installed a smart meter so the management told me they don't know how to read it. Tenants are forbidden to access the meters, only authorised personnel.
    Originally posted by alexandrakisdimi
    Sounds rather suspicious, you should control your own energy.

    • alexandrakisdimi
    • By alexandrakisdimi 12th Oct 17, 7:07 PM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    • #7
    • 12th Oct 17, 7:07 PM
    • #7
    • 12th Oct 17, 7:07 PM
    Sounds rather suspicious, you should control your own energy.
    Originally posted by sevenhills
    I've god the gadget but it doesn't show any readings at all. As for the management, you make a request to them and they hand you the reading themselves the next day
    • shaun from Africa
    • By shaun from Africa 12th Oct 17, 7:35 PM
    • 9,500 Posts
    • 10,672 Thanks
    shaun from Africa
    • #8
    • 12th Oct 17, 7:35 PM
    • #8
    • 12th Oct 17, 7:35 PM
    Was the bill that you received directly from the electricity supplier or is it one that your landlord sent you?
    If it was from the LL, it's possible that they are illegally upping the charge to make a bit of profit.

    Do you have your own electrical isolation switch for your flat?
    If so, I would be tempted to turn it off for a couple of minutes one evening and seeing if any of the lights in the other flats go off as it might be that you are paying for more than just your electricity.
    • alexandrakisdimi
    • By alexandrakisdimi 12th Oct 17, 7:46 PM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    • #9
    • 12th Oct 17, 7:46 PM
    • #9
    • 12th Oct 17, 7:46 PM
    Was the bill that you received directly from the electricity supplier or is it one that your landlord sent you?
    If it was from the LL, it's possible that they are illegally upping the charge to make a bit of profit.

    Do you have your own electrical isolation switch for your flat?
    If so, I would be tempted to turn it off for a couple of minutes one evening and seeing if any of the lights in the other flats go off as it might be that you are paying for more than just your electricity.
    Originally posted by shaun from Africa
    The bill is directly from e-on. I turned all the switches off, except under the counter fridge and freezer when I was gone in August for 15 days and there was no issue. So I am assuming that no other flats are connected on the same line. The bill says that I used 1700kWh in 90 days (75 days if you count the holidays). I've been on the phone to contact them about 30 minutes to check whether it's an actual reading, but no luck yet. Their support is so slow
    • sevenhills
    • By sevenhills 12th Oct 17, 7:53 PM
    • 587 Posts
    • 218 Thanks
    sevenhills
    I've god the gadget but it doesn't show any readings at all. As for the management, you make a request to them and they hand you the reading themselves the next day
    Originally posted by alexandrakisdimi
    Again, it sounds very dodgy.

    The reading from a smart meter goes directly to your gadget and also to your supplier.
    So were is "the management" getting the reading? If they have changed supplier, the smart meter may not work. So are these readings from an ordinary meter, and the management are making you pay for more than you should?


    Its seems like "the management" are not telling you the full story.

    • alexandrakisdimi
    • By alexandrakisdimi 12th Oct 17, 8:04 PM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    Is it based on actual readings or an estimate? Are the readings correct? Are you on the correct tariff? Faulty meter maybe?
    Originally posted by Le_Kirk
    Just got off the phone with them. There is a smart meter that it is supposed to be sending accurate readings. I filed a complaint and they are going to check for a faulty meter. I haven't thought of that possibility before you mentioned it. Thank you
    • molerat
    • By molerat 12th Oct 17, 8:19 PM
    • 17,098 Posts
    • 11,249 Thanks
    molerat
    What model is your "electric combi" ? These often have a 9 - 12 kW element fitted so can rack up quite a use.
    www.helpforheroes.org.uk/donations.html
    • onomatopoeia99
    • By onomatopoeia99 12th Oct 17, 8:35 PM
    • 3,433 Posts
    • 7,576 Thanks
    onomatopoeia99
    If you're using electric to demand heat water, that's expensive. All heat generated by electricity is expensive (see also storage cookers, radiators, hairdryers, irons etc). Throw out all electricity estimates for similar properties that have gas boilers, they are irrelevant.

    It looks like your biggest use of electricity is the shower that you only mentioned in passing as you use a blowdry after the shower. This will be like running three or four kettles simultaneously while you're using it. An electric cooker can also use a lot. A "two pan, 15 minute" meal like I cook isn't so bad but if you've got three or four rings going for an hour that will mount up fast.

    How long per day is the shower running?

    Also, disable the preheat thing on the boiler.
    INTP, nerd, libertarian and scifi geek.
    Home is where my books are.
    • dj1471
    • By dj1471 12th Oct 17, 9:18 PM
    • 874 Posts
    • 575 Thanks
    dj1471
    It sounds like what you actually have is an energy monitor, while your landlord / management company have the smart meter display. This is odd but may be because the displays have limited range and won't reach your flat. But if it's a smart meter the readings are sent direct to EON, you don't need them yourself.

    If you register with EON online you will be able to see the historical readings provided by the smart meter, which may provide some clues.
    • Slithery
    • By Slithery 12th Oct 17, 11:10 PM
    • 257 Posts
    • 321 Thanks
    Slithery
    I am starting to think that either their readings are wrong or there is an electric leak somewhere.
    Originally posted by alexandrakisdimi
    If there's a leak you should be able to smell it, they add a special chemical at the power station.
    Last edited by Slithery; 13-10-2017 at 12:46 AM.
    • alexandrakisdimi
    • By alexandrakisdimi 13th Oct 17, 8:13 AM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    What model is your "electric combi" ? These often have a 9 - 12 kW element fitted so can rack up quite a use.
    Originally posted by molerat
    The boiler sticker says 3kwh. Maybe it's not staying on standby and is constantly heating water?
    • alexandrakisdimi
    • By alexandrakisdimi 13th Oct 17, 8:14 AM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    It sounds like what you actually have is an energy monitor, while your landlord / management company have the smart meter display. This is odd but may be because the displays have limited range and won't reach your flat. But if it's a smart meter the readings are sent direct to EON, you don't need them yourself.

    If you register with EON online you will be able to see the historical readings provided by the smart meter, which may provide some clues.
    Originally posted by dj1471
    I do have an online account but can't find any history of readings, which would be useful to see for the period I was on holidays so that I could check if there was an unusual usage
    Last edited by alexandrakisdimi; 13-10-2017 at 9:14 AM.
    • alexandrakisdimi
    • By alexandrakisdimi 13th Oct 17, 8:29 AM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    If you're using electric to demand heat water, that's expensive. All heat generated by electricity is expensive (see also storage cookers, radiators, hairdryers, irons etc). Throw out all electricity estimates for similar properties that have gas boilers, they are irrelevant.

    It looks like your biggest use of electricity is the shower that you only mentioned in passing as you use a blowdry after the shower. This will be like running three or four kettles simultaneously while you're using it. An electric cooker can also use a lot. A "two pan, 15 minute" meal like I cook isn't so bad but if you've got three or four rings going for an hour that will mount up fast.

    How long per day is the shower running?

    Also, disable the preheat thing on the boiler.
    Originally posted by onomatopoeia99
    This is not an on demand heater, it is a huge hot water/central heating boiler. The central heating is always off, the hot water is always on.

    2 people having a shower after work is probably about 30 Min using the shower every day.

    Now for cooking, 2 pans or the oven maximum.

    The thing that bothers me is that, from the 82 days of us being charged, 15 days of holidays, so 67days I have used 1700kwh? That shouldn't be right, since I spend so little time during the day in the flat and the use I do is turning the TV on and my android box, cook, have a shower and charge my phone.u

    My gf's colleague has eon on a 3 bed flat, water heater always on and pays a lot less.
    My sister has npower, water heater always on, pays half that I am being charged and we do more or less the same use during the day
    • Apodemus
    • By Apodemus 13th Oct 17, 9:39 AM
    • 921 Posts
    • 722 Thanks
    Apodemus
    I think we need a clearer explanation of your heating and hot water system. Are you saying that you have an electric system that heats water for wet radiators? And a separate, immersion heater (or two?) in your water tank?

    How are you drying your clothes? You mention washing machine 3-4 times a week, does that include a drying cycle? Tumble dryers can sometimes be a big electricity user.
    • alexandrakisdimi
    • By alexandrakisdimi 13th Oct 17, 10:05 AM
    • 18 Posts
    • 1 Thanks
    alexandrakisdimi
    I think we need a clearer explanation of your heating and hot water system. Are you saying that you have an electric system that heats water for wet radiators? And a separate, immersion heater (or two?) in your water tank?

    How are you drying your clothes? You mention washing machine 3-4 times a week, does that include a drying cycle? Tumble dryers can sometimes be a big electricity user.
    Originally posted by Apodemus
    I do not have a dryer. I dry my clothes naturally. It might have been too much mentioning 3-4 times a week, but it can happen sometimes. Mostly its twice.

    It is one large tank/boiler that can be used as hot water for everyday use and/or central heating. It is NOT an on demand hot water heater. It warms the water up and keeps it warm with isolation etc etc. It uses one panel with options for both. The option for the hot water is on, the option for the heating is off.

    According to this site: worcester-bosch.co.uk/archive/boilers/what-is-a-combi-boiler

    A combi (or combination) boiler is an ingenious space-saving idea, and an increasingly popular choice in UK homes. In fact, combis now account for well over half of all the new domestic boilers installed in Britain every year.

    A combi boiler is both a high-efficiency water heater and a central heating boiler, combined (hence the name) within one compact unit. Therefore, no separate hot water cylinder is required, offering space saving within the property.

    Further benefits of a combi boiler includes hot water being delivered through your taps or shower at mains pressure. So you can enjoy powerful showering* without the need for a pump.

    Another combi boiler benefit is that it can generally save you money on installation time and costs, since no tank in the roof space means less pipe work and a shorter installation time.
    And looks like this cdn.plumbnation.co.uk/site/advance-appliances-stainless-steel-210l-electric-combination-boiler/ecb-210-march-2017-lo-res.jpg, only shorter and wider with a 3kW output.

    Sorry, i cannot post links yet
    Last edited by alexandrakisdimi; 13-10-2017 at 10:26 AM.
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