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Batteries and saving sessions

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  • michaels
    michaels Posts: 29,122 Forumite
    Part of the Furniture 10,000 Posts Photogenic Name Dropper
    edited 23 January 2023 at 2:33PM
    About to turn everything on - 2 cars, electric heaters, washing machine etc for the 3 hours 1-4....

    12kw - shame the hot tub isn't set up....
    I think....
  • Haha... same here although annoyingly SolaX have decided to do maintenance so i can't log in to charge my batteries, this is a massive flaw in my plan...
  • No chance of me making anything... batteries at 100% and I'm exporting to the grid!
    3.995kWP SSW facing. Commissioned 7 July 2011. 24 degree pitch (£3.36 /W).
    17 Yingli 235 panels
    Sunnyboy 4000TL inverter
    Sunny Webox
    Solar Immersion installed May 2013, after two Solar Immersion lasting just over the guarantee period replaced with Solic 200... no problems since.

    13 Feb 2020 LUX AC 3600 and 3 X Pylon Tech 3.5 kW batteries added...

    20 January 2024 Daikin ASHP installed
  • It says there is another one tomorrow 430 till 6 - so the 'abuse as much as i can' period should be 1230-1530, is that right? 
  • Spies
    Spies Posts: 2,267 Forumite
    Part of the Furniture 1,000 Posts Photogenic Name Dropper
    agree - the whole point is to encourage people to shift their usage from peak hours - which we are :smile:
    But it isn't, at least its not explicitly stated that way, the only way the 4-1 trick came about is because people bothered to read the ESO demand and flexibility guidelines. 
    4.29kWp Solar system, 45/55 South/West split in cloudy rainy Cumbria. 
  • michaels
    michaels Posts: 29,122 Forumite
    Part of the Furniture 10,000 Posts Photogenic Name Dropper
    It says there is another one tomorrow 430 till 6 - so the 'abuse as much as i can' period should be 1230-1530, is that right? 
    Yup - the longer the period the more advantageous the 3 hour daily adjustment is - plus my app of choice, Hugo are doing 5.72 per kwh tomorrow - if I bump the baseline by 10kw per hour then we are talking 10(kwh) x 1.5(hours) x 5.72 = £86 less 30kwh at 45pm per unit = £13.50 a fair bit of which I would have purchased anyway at 4.5p per unit.  Should be North of £70 profit :)
    I think....
  • michaels said:
    It says there is another one tomorrow 430 till 6 - so the 'abuse as much as i can' period should be 1230-1530, is that right? 
    Yup - the longer the period the more advantageous the 3 hour daily adjustment is - plus my app of choice, Hugo are doing 5.72 per kwh tomorrow - if I bump the baseline by 10kw per hour then we are talking 10(kwh) x 1.5(hours) x 5.72 = £86 less 30kwh at 45pm per unit = £13.50 a fair bit of which I would have purchased anyway at 4.5p per unit.  Should be North of £70 profit :)
    I'm going to put a 'but' in there - what about your average usage over the last 2 weeks or however long, ie. The other baseline? 
    That could drag down your calculations? 
  • michaels
    michaels Posts: 29,122 Forumite
    Part of the Furniture 10,000 Posts Photogenic Name Dropper
    Average usage is zero (well about 50-100w) - or would be, I suspect it will be bumped up a bit by prepping for the saving session today.
    I think....
  • Petriix
    Petriix Posts: 2,297 Forumite
    Ninth Anniversary 1,000 Posts Photogenic Name Dropper
    michaels said:
    Average usage is zero (well about 50-100w) - or would be, I suspect it will be bumped up a bit by prepping for the saving session today.
    I believe (but am not certain) that previous saving session days are excluded from the calculations. 
  • Raxiel
    Raxiel Posts: 1,403 Forumite
    Eighth Anniversary 1,000 Posts Name Dropper Photogenic
    Looking at the chart on Drax Insights, it looks like Coal never rose above (what I would assume is) standby power of 900MW, so I guess the session worked? Peak was 43GW, a bit lower than Tuesday, Wednesday, and Thursday last week. Friday and the weekend were a bit lower though.
    3.6 kW PV in the Midlands - 9x Sharp 400W black panels - 6x facing SE and 3x facing SW, Solaredge Optimisers and Inverter. 400W Derril Water (one day). Octopus Flux
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