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Renewables: "talking 'bout my generation"

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  • EricMears
    EricMears Posts: 3,309 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    edited 24 June 2013 at 8:29AM
    Martyn1981 wrote: »
    Come on last week of June, give me a '+' month!


    Barring an unexpected and very long lasting total eclipse, I'm confident my June will be '+' :cool2:

    Afraid I don't share Martyn's confidence in the 8 day forecasts though. According to Metcheck we're having 1% cloud cover from now till 10am; my 'look out the window' check suggests 99% (but even that is producing half a kW which should keep the background items running gratis).

    Stop Press: At 8:25 a sudden break in clouds produced a (brief) 2.5kW peak. That drops the average cloud cover for the 3h period a bit - but to more like 90% than 1%
    NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq5
  • legoman62
    legoman62 Posts: 4,989 Forumite
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    3.7 O's yesterday:D
    Cold and dull at the mo but, a couple of decent days should see me reach PVGIS (climate) for June:rotfl:
    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.
  • Martyn1981
    Martyn1981 Posts: 15,395 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    EricMears wrote: »
    B
    Afraid I don't share Martyn's confidence in the 8 day forecasts though. According to Metcheck we're having 1% cloud cover from now till 10am; my 'look out the window' check suggests 99% (but even that is producing half a kW which should keep the background items running gratis).

    Hiya Eric. I have no confidence in them, they change too fast. For instance just looked again (2.5 hrs later) and the 8 days now contain 4 with grey clouds, 2 of which show rain. So more in line with my original guess last night.

    Don't worry, not planning to keep updating these 8 (or 9) days, just getting pee'd off that they change so much, with no apparent consistency, especially from day 2 onwards.

    I wouldn't want their job, it must be soul destroying at the moment, but what is the point of forecasting the weather ahead, if it's going to change so very, very much as it steadily moves each day from future to present.

    Time to switch the dishwasher on, some sun has finally arrived.

    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.
  • k66
    k66 Posts: 354 Forumite
    Part of the Furniture 100 Posts Combo Breaker
    Yes, you should've used 24p, but your answer using 12p was still nowhere near half the correct answer.

    That's right. What's the big joke?
    Ha ha....... it was night time rate at about 6p a unit. Off on hols now :j
    :hello:
  • EricMears
    EricMears Posts: 3,309 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Martyn1981 wrote: »
    but what is the point of forecasting the weather ahead, if it's going to change so very, very much as it steadily moves each day from future to present.

    Couldn't agree more - but met office claim to offer reliable forecasts and cost the taxpayer squillions so I feel justified in complaining when they get it wrong.
    NE Derbyshire.4kWp S Facing 17.5deg slope (dormer roof).24kWh of Pylontech batteries with Lux controller BEV : Hyundai Ioniq5
  • EricMears
    EricMears Posts: 3,309 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    18.3 kWh today.

    Forecasts of 1% cloud @10am rising to 90ish for the afternoon proved disastrously wrong !

    Dullish morning (90% cloud when I was promised 1%) gave way to a bright afternoon (perhaps 30% cloud but very little between us & sun most of time and a fantastic evening (but by then angle was too shallow to generate much).

    I did manage to run dishwasher early afternoon. If tomorrow is sunny (as forecast - so little chance !) we have several loads of washing poised to run.

    Have just broken through the pvgis forecast under 'old' rules or need 3 more kWh under new rules. Fairly confident of averaging more than 0.5 kWh/day for rest of week :D
    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
    11.08 kwh / 3.69 O's.. I suppose still above target for the month.
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    That's right. What's the big joke?

    No idea, have deleted the post. I put it down to having just bottled a fresh batch of Home made Red Wine...very nice too.... smiley-laughing021.gif

    4.36 O's for yesterday (Monday).. :)
    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).
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Wow; it is getting light, Solar panels will be generating soon...smiley-laughing021.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).
  • tunnel
    tunnel Posts: 2,601 Forumite
    Part of the Furniture 1,000 Posts Combo Breaker
    edited 25 June 2013 at 8:42AM
    Wow; it is getting light, Solar panels will be generating soon...smiley-laughing021.gif


    I assume you'll be hoping the sun comes out today to wash your dirty bedclothes if your posting at those ungodly hours:rotfl:

    Need another 33kWh by the month end from my ESE to break the 700kWh(last quarter) mark. As Eric always states look outside....the sun has got his hat on....
    2 kWp SEbE , 2kWp SSW & 2.5kWp NWbW.....in sunny North Derbyshire17.7kWh Givenergy battery added(for the power hungry kids)
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