energy

  1. Tequila

    UK How to arrange consumer unit to ignore car charger load so that it does not discharge home battery when called to charge from Octopus energy.

    So I have an issue with a Zappi car charger discharging my home battery when called to charge by the octopus intelligent system. This is happening because the Zappi charger load is measured by the main supply CT so is seen as a home load by the solar/battery system and the battery discharges to...
    • Tequila
    • Thread
    • battery called car car charger charge charger consumer consumer unit energy home how to load unit when
    • Replies: 1
    • Forum: UK Electrical Forum
  2. D

    How to measure battery bank energy?

    Does monitor on a bank measure true watt hours if the batts have different state of charge?
  3. James

    free energy

    my youtube suggestions keep sending me this poo. loads of different videos and i cant see how they are doing it. it is obviously excrement but i cant see what the trick is to make it look real. View: https://www.youtube.com/shorts/bVgJ9T5NM1Q
  4. P

    Replaceing Immersion tank with energy efficient system plumbing advice

    Replaceing Immersion tank with energy efficient system I am moving into an all electric small flat which has an Elson Opal 144ltr immersion on eco 7. However, the bathroom has been modernised with an electric shower and bath removed, so now ony a bathroom and kitchen sink needs hot water. I was...
    • Pepperi
    • Thread
    • advice efficient energy immersion plumbing plumbing advice system
    • Replies: 0
    • Forum: Plumbers Forums
  5. B

    Installing an energy meter on a ring main

    Hi guys, I have a client who wants to install meters on every power circuit in order to monitor energy consumption etc. Just wondering if there is a specific method to wire up such a configuration on ring mains? As far as I can tell, I'd need to come out of the RCBO to the meter, and then have...
  6. Dan

    Spring Budget 2024 Allocates £800m To Offshore Wind Farm Projects

    Spring Budget 2024 Allocates £800m To Offshore Wind Farm Projects As Part Of £1bn Pledge To Invest In Green Power. Developers will be able to bid for some of the fund to create new Offshore Wind Farms in a bid to improve Green Energy in the UK. This is for projects that be delivered from 2027...
  7. Leo Breydon

    Solar Does Solar Energy Will Be The Ultimate Resource In The Upcoming Future

    Recently I read a blog post that says according to the latest study, in the United States, The Solar Industry Sales For Commercial Applications Will Reach To 14GW By 2028, and I wonder whether this prediction could be trusted. And the second question is, is it too late for me to do something...
  8. lozarus

    Struggling with Calculating Energy Usage on 3ph

    Probably more of a maths problem than anything else / managing to confuse myself. I have been asked to look at energy consumption of some temporary units. They're all electrically heated office style temporary buildings. Keeping it simple, at the origin of supply there's 3x 63a MCB's feeding...
  9. P

    How to connect a comms cable between a giv energy battery and a Growatt inverter.

    Good Evening, Can anyone shed some light on how to connect the comms cable between a giv energy battery and a Growatt inverter.I can’t seem to find it anywhere in the manuals. Thanks Pete
  10. S

    80A / 100A single phase whole home energy monitoring with website / app graphics

    I'm trying to find a way of energy logging a home to help plan a battery installation. Ideally tracking import by hour and displaying some information and graphs on an online platform like the myenergi app allows when you have some of their equipment. Thought I could buy just a harvi and CT...
  11. D

    Water heater use stored energy?

    Can anybody advise? I have a 3 rate old style electricy meter with 3 rates (day, night, and stored energy) Storage heaters are completely off at the mains (red fuse) , yet the bill is showing a ton of stored-energy usage 2849. kWh over 3 months. What else would use stored energy? Does the water...
  12. yogesh

    Measurement Accuracy of energy meter A44 ABB

    Please help resolve this techincal queistons: The customers industrial plant is supplied with electricity from the utility company via 2 transfer sta-tions. The sum of the 2 meters A44 from the transfer station deviates by more than 3% from the val-ues of the utility meter. The customeris...
  13. W

    How do I synchronize 2 light bulbs using relays?

    Hey everyone, here's my imaginary problem, let's say I have 2 light bulbs, both of them take energy from the same source, however, 1 of them has a button to turn it off, the other one does not. How would I make it so when that button is pressed the other light bulb also turns off? The second...
  14. yogesh

    VSD effect to energy meter?

    We have 10 energy meter in that 4x of them are giving the negative reading. The events shown are two 1is Negative Power Element 2 Warnings & 2. Negative Total Power Warning. The plant is not generating power & we are not sure where this export power coming from on site We have verified the...
  15. justcurioustwo

    can this produce useful electric energy?

    file:///C:/Users/Tom/Desktop/SeaEngine/SEAPOWER48.jpg Once all the bubbles are full of air, all you need to do is fill the lowest one to keep all the other air bubbles pulling together multiplying the upward force.
  16. S

    Hi all, How to automatically switch my pool pump on when I have excess solar energy.

  17. incursio

    UK Wrong energy unit price on electrical sub meter

    Hello, I went to my local takeaway to do some work and the landlord complained the cost of electrics is really high, of course I've heard this a lot lately nevertheless I went to investigate and noticed this sub meter I installed previously which is giving supply to the tenant a flat above...
  18. G

    UK Shell Energy Economy 7 Dual Rate meter type?

    Could anyone advise me which Economy 7 meter Shell Energy are currently fitting? I would like to know the overall size including any DCC box. A picture would be nice. Also, do these meters still have a 2amp relay connection to drive a contactor or in my case signal an EV charger, or are they...
  19. J

    RCBO energy consumption

    RCBOs consume between 1.5 and 2.5 watts for each pole - according to Wylex. Have a CU with largish bank of DP RCBOs then the annual cost of just having RCBOs is substantial. It is not just a few quid a year in electricity costs to have them. My question is: Do RCBOs still consume electricity...
  20. B

    UK Economy 7 ,Solar, panel , Water Heater

    Yes a friend is trying to get as much low cost energy as possible, he has a water tank with top and bottom elements which runs of Economy7 through a Horstmann E7BX timer so he can boost the top element during the day, this element is supplied by a 6mm double insulated cable from the supply...
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