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Renewables: "talking 'bout my generation"

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Comments

  • countryman_2
    countryman_2 Posts: 421 Forumite
    oldskoo1 wrote: »
    Heaven guys, did you get there with a cloudless day ?

    Yes, pretty well clear as a bell around Lincoln yesterday :)
    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.
  • KevinG
    KevinG Posts: 2,086 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    reloaded25 wrote: »
    Just a thought is it more difficult for those of us with 4kW systems to get high O numbers because our inverters are rated at 3.6 where someone with say a 2.5 Kw system can get an inverter to take full advantage of all their panels can dish out?
    I wish! 2kWp system but inverter output limited to 1575W. Curse those installers! I will never get a 7 with my current system, 6.25 yesterday.
    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.
  • Markj1110
    Markj1110 Posts: 912 Forumite
    Yes, no clouds to speak of.!! Today is going to be rubbish by the looks of it!!
    3.96 kWp System, SSE Facing, 30 Degree Pitch, 12 x 330W BenQ Panels, Solar Edge Inverter, Lincoln, Lincolnshire. Installed 26th May 2015.
  • Martyn1981
    Martyn1981 Posts: 15,383 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    edited 12 June 2015 at 9:34AM
    KevinG wrote: »
    I wish! 2kWp system but inverter output limited to 1575W. Curse those installers! I will never get a 7 with my current system, 6.25 yesterday.

    Have you considered changing the inverter? If you 'only' generate 100kWh more pa then that will give you £500 to play with over 10 years.

    Looking for inverters that may (not sure) be installed for £500 and slightly more efficient than 94.4% (the XS2000) gives a few options, though I don't know what the VAT rate is 5% or 20% for an inverter replacement. 10yr warranties, or extendable to 10yr:

    Samil 2100 £365

    Solis 2kW £277

    Omnik 2kW £310

    Edit. and another:

    GoodWe 2000W £266

    But you need to compare to PVGIS and see if your inverter is capping too much, without low generation efficiency gain to make up for it.

    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.
  • KevinG
    KevinG Posts: 2,086 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Martyn1981 wrote: »
    Have you considered changing the inverter? If you 'only' generate 100kWh more pa then that will give you £500 to play with over 10 years.
    Hi Mart, yes, I had considered it and thought it very unlikely to pay back unless I can get one very cheaply or the existing one fails. I expect the VAT would be 20%.
    Martyn1981 wrote: »
    But you need to compare to PVGIS and see if your inverter is capping too much, without low generation efficiency gain to make up for it.
    It's difficult to say. On an annual basis I have been at or just below SAF PVGIS and I expect this is mostly due to winter shading rather than inverter capping. However, it does look as though it is maxing out a lot of the time during the summer and I am pretty sure I would comfortably get 7 Os + if it weren't.
    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.
  • oldskoo1
    oldskoo1 Posts: 619 Forumite
    Part of the Furniture 500 Posts Name Dropper Combo Breaker
    Markj1110 wrote: »
    Yes, no clouds to speak of.!! Today is going to be rubbish by the looks of it!!

    Thanks, perhaps I will make a 7 if I hadn't had some cloud later in the day.

    Oh well, still waiting for the bell curve and a 7. :)
  • jrfarrim
    jrfarrim Posts: 52 Forumite
    Finally able to contribute after getting my solar installed on Saturday. Picked a good week to go live!

    Mon - 4.4 o's
    Tues - 4.6 o's
    Weds - 7.5 o's (37.22kwh)
    Thurs - 7.3 o's

    JF
    Bury - 4.96kWp system
    16 x Canadian Solar 310w Poly panels, Samil 4500TL-D Inverter, Direct South Facing , Installed May 2015
  • pinnks
    pinnks Posts: 1,549 Forumite
    Tenth Anniversary 1,000 Posts Name Dropper Photogenic
    Friday less than 2!!!!:rotfl:
  • theboylard
    theboylard Posts: 1,211 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    Considering it was such a dull day, then a very pleasing 4.85 ho's or 19.416 kWh!

    Just need the storm to break, quite muggy up here in the Corby Highlands?
    4kWp, SSE, SolarEdge P300 optimisers & SE3500 Inverter, in occasionally sunny Corby, Northants.
    Now with added Sunsynk 5kw hybrid ecco inverter & 15kWh Fogstar batteries. Oh Octopus Energy too.
  • countryman_2
    countryman_2 Posts: 421 Forumite
    Had a power outage today....long story, but a smidgen over 4.5 O's none the less.
    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.
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