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Renewables: "talking 'bout my generation"

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  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    jimjames wrote: »
    That's 4 Os today

    Only 2.24 O's for us in not so sunny Northants.....:(
    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).
  • Martyn1981
    Martyn1981 Posts: 15,402 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    Last two days have finally given some better generation, with 14.1kWh (2.53 Os) and 9.7kWh (1.74 Os). But the interesting part (ok I've massively oversold that), but the rather boring part is that at the end of week 1 (and if average for the rest of the month), the ESE is predicting 93% of target, whilst the WNW is predicting 103%.

    This isn't that uncommon, as weather can cause this some months and more easily some weeks, but it seems to be happening 'too' often. I've gone back and checked my PVGIS climate calcs, and they are correct, and I haven't deducted any losses for shading. Also the WNW has worse shading, and the ESE has improved (a tiny bit, due to the loss of a tree to the ESE recently, just as it started to become a factor).

    So I'm getting ever more tempted to say that the difference must be down to the SolarEdge system (on the WNW) doing exactly what it says on the tin. The WNW system hit its annual target on the 4th October, though admittedly, generation on this system does drop rapidly from Oct onwards.

    Not an advert, and I may be completely wrong (only 14 months of comparisons so far) but interesting (to me!)


    One other issue, is it just me? Ok, let's narrow that one down, as the list is so, so long. I enjoy checking generation against the MET office anomaly maps here:

    http://www.metoffice.gov.uk/climate/uk/anomacts/

    but they haven't been updated since June (and are usually done within a week or so of the start of following month. Maybe there have been cutbacks? :(

    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.
  • legoman62
    legoman62 Posts: 4,996 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Averaging almost 30 daily for the last 10 days.....close to Hawaii.
    30C that is:rotfl:
    Now where did I put that 5000 mile extension lead?: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.
  • shafeeq
    shafeeq Posts: 973 Forumite
    Part of the Furniture 500 Posts
    2.4 O's happy as Larry. Whoever he is :)
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    shafeeq wrote: »
    2.4 O's happy as Larry. Whoever he is :)

    Could be me; in disguise....:rotfl:

    2.76 O's..........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).
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    1.52 O's :(:mad::(
    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).
  • shafeeq
    shafeeq Posts: 973 Forumite
    Part of the Furniture 500 Posts
    1.52 O's :(:mad::(

    Think your upset. .

    1.51 O's
  • John_Pierpoint
    John_Pierpoint Posts: 8,401 Forumite
    Part of the Furniture 1,000 Posts
    edited 10 October 2013 at 4:09AM
    "UK Power Networks" is busy messing about with grid connections in S.Essex, probably in anticipation of the opening of what should become Britain's largest dry goods port - It calls itself London Gateway, even though I thought that the first service area on the M1 had bagged that name.

    Anyway I was working at this PC, when there was an instantaneous power cut and reconnection; blink and you could have missed it.
    The surge protector turned off my desk light and computer display, but the venerable Dell PC sailed through. The digital radio had to be reset manually as did the Sony analogue radio, though on standby it had lost its programs memory.

    However other time clocks, such as the alarm clock, were not flashing their distress.

    The Californian designed Italian Power One 3.6 kWp "Aurora" inverter successfully went through a cycle of instant shut down and restarting.

    Fingers crossed for the next outage.
  • shafeeq
    shafeeq Posts: 973 Forumite
    Part of the Furniture 500 Posts
    1.49 O's today. .. Don't think it's going to get any better
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    1.12 O's today
    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).
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