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Renewables: "talking 'bout my generation"

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  • legoman62
    legoman62 Posts: 4,996 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Sirlaughalot wrote: »
    Can anyone hazard a guess as to what period of the year is best for PV solar generation and what % of the whole years generation that represents.

    Thanks
    SL
    I made 1432kWh = 40% of 2012, in the 3 months..May, June and July

    Or you could put your details in here:-
    http://re.jrc.ec.europa.eu/pvgis/apps4/pvest.php

    5.04 O's yesterday:D
    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.
  • InVestor_2
    InVestor_2 Posts: 270 Forumite
    edited 4 August 2013 at 10:19AM
    Sirlaughalot wrote: »
    Can anyone hazard a guess as to what period of the year is best for PV solar generation and what % of the whole years generation that represents.

    Thanks
    SL

    It would mainly depend on steepness, and orientation of roof.

    I'll take a wild guess that it wouldn't be in Winter though...
  • agentk
    agentk Posts: 187 Forumite
    Eighth Anniversary Combo Breaker
    :rotfl::rotfl::rotfl::rotfl:
    3.55kw 2 systems 2.3 se 1.25 sw installed may 2011 and oct 2011..

    I have never been mis sold anything but i have bought a few things i didnt need!
  • Kernel_Sanders
    Kernel_Sanders Posts: 3,617 Forumite
    Part of the Furniture 1,000 Posts Combo Breaker
    edited 4 August 2013 at 4:11PM
    InVestor wrote: »
    It would mainly depend on steepness, and orientation of roof.
    After these two, temperature would probably be the next factor (if no shading issues). The arc of the Sun is the same on 21 August as it is on 21 April, but given the same amount of sunshine, the latter date should produce better results due to cooler weather.
    EricMears wrote: »
    this thread was originally intended for discussing recent generation figures
    And historical ones!
  • Martyn1981
    Martyn1981 Posts: 15,402 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    edited 4 August 2013 at 9:25PM
    Sirlaughalot wrote: »
    Can anyone hazard a guess as to what period of the year is best for PV solar generation and what % of the whole years generation that represents.

    Thanks
    SL

    I'm probably near the extreme Summer specialist end, with E/W and moderately shallow panels - most at 30d some at 20d.

    67% of my gen (2,800kWh) is in the five best months Apr - Aug, with 33% (1,400kWh) in the remaining 7 months.

    For my location (same 5/7 month split) a south facing 30d system would be spread out slightly more, approx 60% v's 40%. And at 50d it would be nearer 55% v's 45%.

    Mart.
    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.
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    2.32 O's today...:mad: But.....only 63.6 O's to go to hit the intallation predicted target by 22nd of November..... 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).
  • John_Pierpoint
    John_Pierpoint Posts: 8,401 Forumite
    Part of the Furniture 1,000 Posts
    The Countryfile weekly forecast explained that the jet stream was zooming up north over the UK for most of July and thus sucking in hot high pressure for the Southern Continent.

    Now it is back zooming down South into the Med. , the way it was for the majority of summer 2012; thus capturing swirls of low pressure from the Atlantic.

    Perhaps the autumn is arriving early this year ?
  • [Deleted User]
    [Deleted User] Posts: 0 Newbie
    Part of the Furniture 1,000 Posts Photogenic
    24.78% of August's target made in four days! Happy days :)
  • InVestor_2
    InVestor_2 Posts: 270 Forumite
    19.5 kWh yesterday, maintaining my 19.5 ave. so far for August.

    nearly £40 for first 4 days. :)

    yesterday evening BBC forecasting lashing rain all day today, actually blue skies and I'm sunbathing in the garden at the moment.

    How much longer will all this cracking weather last?
  • legoman62
    legoman62 Posts: 4,996 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    3.14 O's yesterday. Showers late on
    Raining now, but nothing like the predicted weather......yet:D
    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.
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