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Renewables: "talking 'bout my generation"

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Comments

  • legoman62
    legoman62 Posts: 5,105 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    4.92 O's yesterday:D
    Should be close to last months (new record) by close of play today: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.
  • InVestor_2
    InVestor_2 Posts: 270 Forumite
    jimjames wrote: »
    Just checked ours and we've covered 27% of the cost in the first 18 months, again not including electricity saving. Taking electricity savings into account it is over 35% cost recouped. With RPI increasing FIT payments I'd estimate that it will be well under 5 years for full payback.

    What numbers are you using to get over 8% of cost in 18 months just from electricity savings? Sounds incredibly high.
  • zeupater
    zeupater Posts: 5,396 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    InVestor wrote: »
    What numbers are you using to get over 8% of cost in 18 months just from electricity savings? Sounds incredibly high.
    Hi

    Jim's return, as stated, is derived from the FiT payments and excludes the electricity savings ....

    HTH
    Z
    "We are what we repeatedly do, excellence then is not an act, but a habit. " ...... Aristotle
    B)
  • InVestor_2
    InVestor_2 Posts: 270 Forumite
    zeupater wrote: »
    Hi

    Jim's return, as stated, is derived from the FiT payments and excludes the electricity savings ....

    HTH
    Z

    No, you are wrong.

    He stated 27% for FiT and over 35% including electricity savings.
    jimjames wrote: »
    Just checked ours and we've covered 27% of the cost in the first 18 months, again not including electricity saving. Taking electricity savings into account it is over 35% cost recouped. With RPI increasing FIT payments I'd estimate that it will be well under 5 years for full payback.
  • zeupater
    zeupater Posts: 5,396 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Combo Breaker
    edited 27 July 2013 at 5:05PM
    InVestor wrote: »
    No, you are wrong.

    He stated 27% for FiT and over 35% including electricity savings.
    Hi

    You're correct, I remembered the '27% excluding' and didn't re-read the rest .... anyway, assuming a typical/decent saving of £150 to £180 over 18 months then 8% would describe a system price in the range of £1875 to £2250, whereas 8% over 18months on a typical 4kWp system price ~18 months ago (~£10k?) would represent an annual saving of ~£533/year which would just about represent 100% self consumption (if you inflate the cost of electricity a little - ie ~14p/kWh !) ....

    I agree, more than a tad optimistic unless there's a massive baseload (at least 3.6kW) !! ... I guess that Jim needs to revisit the payback calculation ... :D;)

    Apologies
    Z
    "We are what we repeatedly do, excellence then is not an act, but a habit. " ...... Aristotle
    B)
  • InVestor_2
    InVestor_2 Posts: 270 Forumite
    No problem.

    27% over 18 months is a great return, beating mine.

    The over 8% for electricity did seem a lot, why I asked. Was just interested to know the numbers or reasons.
  • k66
    k66 Posts: 354 Forumite
    Part of the Furniture 100 Posts Combo Breaker
    Oscargrouch have you included the cost of your Wattson and Optiplugs?
    :hello:
  • Oscargrouch
    Oscargrouch Posts: 4,393 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    k66 wrote: »
    Oscargrouch have you included the cost of your Wattson and Optiplugs?

    Sure have k66; Wattson etc was free from my installer; had a good price & good service; what more would you ask for....? smiley-laughing021.gif

    Friday 5.2 O's :)
    Today 4.0 O's :(
    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).
  • beansy
    beansy Posts: 410 Forumite
    Part of the Furniture Combo Breaker
    edited 27 July 2013 at 10:35PM
    jeepjunkie wrote: »
    Sounds like you are looking at a great payback time :D

    I'm not far behind @ 24% in 18 months :)

    Cheers

    We are very pleased with ours too.

    We've had just over 20% of our purchase cost back in 15 mths (not counting reduction in electricity bills) and this qtr should be really good and is looking like taking us over the 30% mark!!!

    :T
  • Sirlaughalot
    Sirlaughalot Posts: 300 Forumite
    Part of the Furniture 100 Posts Combo Breaker
    jimjames wrote: »
    Just checked ours and we've covered 27% of the cost in the first 18 months, again not including electricity saving. Taking electricity savings into account it is over 35% cost recouped. With RPI increasing FIT payments I'd estimate that it will be well under 5 years for full payback.

    Hi JJ,

    That`s excellent news can i ask what make and kind of system your using?

    Thanks

    SL
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