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Renewables: "talking 'bout my generation"

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  • KevinG
    KevinG Posts: 2,094 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    A fairly respectable 9.12 kWh today. Mostly sunny apart from a short morning deluge.
    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.
  • shafeeq
    shafeeq Posts: 973 Forumite
    Part of the Furniture 500 Posts
    Hi

    Again a better day then yesterday and best of the month. 11.10 kwh

    Shafeeq
  • KevinG
    KevinG Posts: 2,094 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    So-so, sunny intervals, some rain, 7.92kWh.
    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.
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    shafeeq wrote: »
    Hi
    Again a better day then yesterday and best of the month. 11.10 kwh

    Shafeeq
    Think your system must have warmed up:rotfl:

    Only 10.1 kWh for me, but at least every day in August has beaten PVGIS which is 7.87kWh per day.:j So should not complain.:) But I will.:rotfl:
    2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
    Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax: B)

    Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).
  • EricMears
    EricMears Posts: 3,310 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    15.54 kWh today

    Below pvgis for 1st Aug but above for all five days since.

    Forecast for next couple of days seems better still - but expect they'll have got it wrong again.
    NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq5
  • shafeeq
    shafeeq Posts: 973 Forumite
    Part of the Furniture 500 Posts
    edited 6 August 2012 at 10:04PM
    Think your system must have warmed up:rotfl:

    Only 10.1 kWh for me, but at least every day in August has beaten PVGIS which is 7.87kWh per day.:j So should not complain.:) But I will.:rotfl:

    My PVGIS average is 8.64 so been beating that everyday except the 1st day, but of course I still complain :j

    Opppss wishful thinking, actually first 3 days were lesd then 7kwh
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    edited 6 August 2012 at 10:13PM
    shafeeq wrote: »
    My PVGIS average is 8.64 so been beating that everyday except the 1st day, but of course I still complain :j
    Opppss wishful thinking, actually first 3 days were lesd then 7kwh

    Fear not, 'Jobs a Good One', best investment you will ever make.:beer: Without Doubt! :rotfl:
    2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
    Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax: B)

    Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).
  • legoman62
    legoman62 Posts: 5,001 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    15.22kWh yesterday......or did I?
    Compared generation meter reading 2595kWh
    with my Sunny Beam reading 2620kWh = -25kWh difference.
    Has anyone else had this?
    Spoken to SMA and was told there can be a variance.
    Using Sunny Explorer on my PC I have reset the inverter figures to match the generation meter.
    I also asked if there was any way I could show total generation figures on my Sunny Beam after putting the new FIT rate in (47p)
    The tech guy could not answer my question and is going to contact the next level up in Germany.
    Will update later.
    16 Sanyo Hit 250s.4kWp SMA 3.8kWp inverter. SW roof. 28° pitch. Minimal shade. Nov 2011 install. Hybrid car. Ripple Kirk Hill. N.E Lincs Coast.
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    legoman62 wrote: »
    15.22kWh yesterday......or did I?
    Compared generation meter reading 2595kWh
    with my Sunny Beam reading 2620kWh = -25kWh difference.
    Has anyone else had this?

    I get it all the time and I have an AURORA inverter; manufacturer reckons they can be 10% either way. That's probably why you have to have a Approved Gen meter fitted in your system. I always give gen meter readings on the thread, as these are spot on.
    2.5 kWp PV system, SSW facing, 45 Deg Roof. ABB Inverter, Monitor: 'Wattson'.
    Reg. for FIT Nov 2011. "It's not what you generate; it's how you use it that matters". One very clean Vauxhall Diesel Sri, £30.00 Road Tax: B)

    Definition of 'O's = kWh/kWp (kWh = your daily & accurate Generation figure) (kWp = the rated output of your PV Panels).
  • KevinG
    KevinG Posts: 2,094 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    I always give gen meter readings on the thread, as these are spot on.
    Likewise - don't use inverter readings, they are just a guide. My inverter under-reads by about 0.2%, pretty good compared to some but I would never use it to report an actual reading.
    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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