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Renewables: "talking 'bout my generation"

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  • michaels
    michaels Posts: 28,100 Forumite
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    defaultdriver wrote: »
    2.85 O's yesterday. Got to 101% of April target (was at 116% at one point during the month)
    Last April was 94%
    Half way through the month and at 98%, and ahead of the same point last year.

    Interesting, we are Herts and WSW facing but we have got 105% and 110% last two years compared to your 94% and 101% - I wonder if we have something wrong with our PVGIS calc....
    I think....
  • defaultdriver
    defaultdriver Posts: 140 Forumite
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    michaels wrote: »
    Interesting, we are Herts and WSW facing but we have got 105% and 110% last two years compared to your 94% and 101% - I wonder if we have something wrong with our PVGIS calc....
    I have some shading during the morning due to a chimney, it's normally around 11.30 before the panels are shade free. That could explain the difference.
    I compared my generation to other posters last year during days in which we had sunshine all day and roughly calculated that I am probably losing 40 to 50 O's over the year.
    3.99KW SunEdison (14 * 285W), Solis inverter, iBoost, Herts, roughly SW facing
  • old_grouser
    old_grouser Posts: 176 Forumite
    edited 1 May 2017 at 9:04PM
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    defaultdriver wrote: »
    I have some shading during the morning due to a chimney, it's normally around 11.30 before the panels are shade free. That could explain the difference.
    I compared my generation to other posters last year during days in which we had sunshine all day and roughly calculated that I am probably losing 40 to 50 O's over the year.

    I also have a chimney (actually a gable) problem, though only in the early morning in June-August, when the sun rises considerably north of east. Because I have a Sunny Boy inverter, I've tried out SMA's Optitrac Global Peak software, and it really does work - though I've no idea how. I don't know if any other manufacturer supports anything similar, for I imagine Optitrac is system specific. If you run it all the time there is a slight degradation in overall output - the manufacturers quote 1%. I run it in the mid-summer months (when I remember to turn it on).and it gives me about 40% more generation before 9am (only when the sun is shining, of course, but there isn't a shading problem when the sun isn't out).

    3 Os today, but I'm glad to say it's turned into a wet bank holiday. We need the rain.
    O G :cool: Somewhere on the South Downs
    3.29kWp S by E
    Greetings to Druids everywhere
  • countryman_2
    countryman_2 Posts: 421 Forumite
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    .. 3.8 o's today
    4kw PV fitted 4th July 2014 (Green Energy NW £5600). WSW facing, 30 deg Pitch, Unshaded, Samil Solar River inverter, 16 Solar World Mono panels, Iboost on Immersion Heater. located in mid Lincolnshire.
  • legoman62
    legoman62 Posts: 4,582 Forumite
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    Hawaii + today... Made 5.75 O's:T 1st one this year:beer:
    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.
  • ajbell
    ajbell Posts: 1,151 Forumite
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    3.2 Os today.
    4kWp, South facing, 16 x phono solar panels, Solis inverter, Lincolnshire.
  • rugbyleaguesmate
    rugbyleaguesmate Posts: 281 Forumite
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    3.71 os not a lot doing after 1.30pm
    6.72kw Pv Ja Solar 280w * 24 panels, Solar Edge inverter, South facing no shading.
    South Lake District, delightful view of Morecambe Bay. Not Saving up for a battery too expensive:j:mad::hello:

    July Solar target 769kw
  • Merlin139
    Merlin139 Posts: 6,892 Forumite
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    Very poor till midday then improved.

    4.59 O's
    3.795 kWp Solar PV System. Capital of the Wolds

  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
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    ASavvyBuyer wrote: »
    Strange month, with the first half producing more than the second half.
    Finished on only 1.56 O's for yesterday.
    Okay, rub it right in why don't you....:(..:mad:..:rotfl:
    legoman62 wrote: »
    Hawaii + today... Made 5.75 O's:T 1st one this year:beer:
    Well done you..:beer::beer: I had my best day this month so far.. 3.44 O's..:j..coffee.gif
    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).
  • Markj1110
    Markj1110 Posts: 912 Forumite
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    4.17 O's yesterday.
    3.96 kWp System, SSE Facing, 30 Degree Pitch, 12 x 330W BenQ Panels, Solar Edge Inverter, Lincoln, Lincolnshire. Installed 26th May 2015.
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