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Renewables: "talking 'bout my generation"

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  • KevinG
    KevinG Posts: 2,088 Forumite
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    Temrael wrote: »
    I've had my panels for just over a week now, and one thing I've found interesting is how much the output can vary on two apparently clear days.
    Temperature is a big factor, the higher the temperature, the lower the output.
    2kWp Solar PV - 10*200W Kioto, SMA Sunny Boy 2000HF, SSE facing, some shading in winter, 37° pitch, installed Jun-2011, inverter replaced Sep-2017 AND Feb-2022.
  • KevinG
    KevinG Posts: 2,088 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    theboylard wrote: »
    February being the best at 149% over.
    I suspect that was 49% over (mine was 35% over).
    2kWp Solar PV - 10*200W Kioto, SMA Sunny Boy 2000HF, SSE facing, some shading in winter, 37° pitch, installed Jun-2011, inverter replaced Sep-2017 AND Feb-2022.
  • Temrael
    Temrael Posts: 394 Forumite
    Part of the Furniture 100 Posts Combo Breaker Mortgage-free Glee!
    KevinG wrote: »
    Temperature is a big factor, the higher the temperature, the lower the output.

    Thanks for that, I think there's only been a couple of degrees in it really in the last week. And the higher peaks were actually on slightly warmer days if anything.

    I'll keep an eye. :)
    Temrael

    Don't use a long word when a diminutive one will suffice.
  • Merlin139
    Merlin139 Posts: 7,259 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Temrael wrote: »
    Thanks for that, I think there's only been a couple of degrees in it really in the last week. And the higher peaks were actually on slightly warmer days if anything.

    I'll keep an eye. :)

    Wind and the direction that its coming from will also help. Some of my best days have been sunny and windy with wind coming from the north.

    This March has been my best by a long way and has had sunny windy days.
    3.795 kWp Solar PV System. Capital of the Wolds

  • KevinG
    KevinG Posts: 2,088 Forumite
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    Merlin139 wrote: »
    This March has been my best by a long way and has had sunny windy days.
    Whereas down south it has been one of my worst, beaten by 2012, 2014, 2015, 2016 and 2017.
    2kWp Solar PV - 10*200W Kioto, SMA Sunny Boy 2000HF, SSE facing, some shading in winter, 37° pitch, installed Jun-2011, inverter replaced Sep-2017 AND Feb-2022.
  • nobby1963
    nobby1963 Posts: 355 Forumite
    Part of the Furniture 100 Posts Name Dropper Rampant Recycler
    Hi All,

    Just a quicky please .....
    Am I correct in my figure of 54.17 per kWh for the FIT rate as of today ( panels installed Nov 2011 blah blah blah ) ?
    Cheers
    Nobby.
    SMA 4000TL Inverter, 17 REC 235PE Panels, South facing, roof angle \ `ish, 3995 watt system.Installed Nov 2011.
  • onomatopoeia99
    onomatopoeia99 Posts: 7,160 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    I generated 68.73 O in March (according to the meter, the inverter gives a slightly different figure), but it was only a partial month as the installation was completed on the 11th. The week of sun at the end of the month helped a lot with that though.


    At 5.4 O today.
    Proud member of the wokerati, though I don't eat tofu.Home is where my books are.Solar PV 5.2kWp system, SE facing, >1% shading, installed March 2019.Mortgage free July 2023
  • KevinG
    KevinG Posts: 2,088 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    nobby1963 wrote: »
    Am I correct in my figure of 54.17 per kWh for the FIT rate as of today ( panels installed Nov 2011 blah blah blah ) ?
    Sounds right, I can only find last year's rate of 52.75p and an RPI uplift of 2.7%, which would give 54.17p.
    2kWp Solar PV - 10*200W Kioto, SMA Sunny Boy 2000HF, SSE facing, some shading in winter, 37° pitch, installed Jun-2011, inverter replaced Sep-2017 AND Feb-2022.
  • Martyn1981
    Martyn1981 Posts: 15,396 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    KevinG wrote: »
    Sounds right, I can only find last year's rate of 52.75p and an RPI uplift of 2.7%, which would give 54.17p.

    Hiya, it has been published for a while, but you needed to use logic, cunning and blind luck to find it.

    Start here, then click on the spreadsheet, then select either pre Apr 2012 tab (there are 2), then search for retrofit 0-4kW

    If you follow those breadcrumbs, you will find the number [STRIKE]42[/STRIKE] 54.17. :wall:
    Mart. Cardiff. 8.72 kWp PV systems (2.12 SSW 4.6 ESE & 2.0 WNW). 20kWh battery storage. Two A2A units for cleaner heating. Two BEV's for cleaner driving.

    For general PV advice please see the PV FAQ thread on the Green & Ethical Board.
  • KevinG
    KevinG Posts: 2,088 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Martyn1981 wrote: »
    Start here, then click on the spreadsheet, then select either pre Apr 2012 tab (there are 2), then search for retrofit 0-4kW
    That was the first place I looked but I gave up before you!
    2kWp Solar PV - 10*200W Kioto, SMA Sunny Boy 2000HF, SSE facing, some shading in winter, 37° pitch, installed Jun-2011, inverter replaced Sep-2017 AND Feb-2022.
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