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Domestic Solar PV Quotes 2020

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    #3242
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    Hi all,

    Wondering is it worth getting 5 south facing panels in Dublin from the company that can’t be named. Quote just in, but no reduction in price from what I can see. Given that 5 will only produce 1.8Kw will the grant be halved as a result when not hitting the 2Kw?
    Any point getting a panel or two installed on the north facing roof (if they would fit)?


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    #3243
    MAULBROOK
    Registered Users Posts: 1,470 ✭✭✭MAULBROOK


    steedevaney wrote: »
    Hi all,

    Wondering is it worth getting 5 south facing panels in Dublin from the company that can’t be named. Quote just in, but no reduction in price from what I can see. Given that 5 will only produce 1.8Kw will the grant be halved as a result when not hitting the 2Kw?
    Any point getting a panel or two installed on the north facing roof (if they would fit)?

    What size panels are they ie 300w or 360w. No point on fitting in the north side roof.
    If you can only fit 5 then aim for the larger wattage panel


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    #3244
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    Hi,

    New all to this.

    Got the following quote

    380W Q-Cells Solar PV Panels/Modules 14
    3.6 GivEnergy Hybrid Inverter 1
    5 kWh GivEnergy Battery Storage 2 x 2.5kw reconditions battery 2
    EDDI Smart Immersion
    PV Protect / Shunt Switch
    AC & DC Isolators
    AC & DC Cable
    Renusol Roof Mounting Kit

    So a 5.3kw system, 5kw battery coming in at €7200 after grant.

    Battery is recondition, but as I understand it comes with a 10 year performance warranty.

    Feedback welcome.


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    #3245
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    MAULBROOK wrote: »
    What size panels are they ie 300w or 360w. No point on fitting in the north side roof.
    If you can only fit 5 then aim for the larger wattage panel

    Seem to be the 360w. The quote didn’t exactly specify but I will ask for further details.


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    #3246
    MAULBROOK
    Registered Users Posts: 1,470 ✭✭✭MAULBROOK


    godtabh wrote: »
    Hi,

    New all to this.

    Got the following quote



    So a 5.3kw system, 5kw battery coming in at €7200 after grant.

    Battery is recondition, but as I understand it comes with a 10 year performance warranty.

    Feedback welcome.

    The inverter is too small aim for the 5kw one. feck all price difference.
    The battery I would be worried about. Ask them the price difference to a new one.
    The overall price looks high, mainly the second hand battery puts me off the quote.


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    #3247
    MAULBROOK
    Registered Users Posts: 1,470 ✭✭✭MAULBROOK


    steedevaney wrote: »
    Seem to be the 360w. The quote didn’t exactly specify but I will ask for further details.

    What was the quote


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    #3248
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    MAULBROOK wrote: »
    What was the quote

    Option 1 - with grant and 100% self-consumption
    ● 5 photovoltaïc panels
    ● 1 solar inverter
    ● Installation of complete system

    QUANTITY OF PANELS
    5
    SYSTEM SIZE
    1,83 kWp
    ESTIMATED YEARLY PRODUCTION
    1781 kWh

    19.99 per month on assumption of 1,800 but I’m assuming grant will max at 900 give it’s not over 2Kw but maybe it pro-rata’s


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    #3249
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    What pay back period do people opt for?


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    #3250
    MAULBROOK
    Registered Users Posts: 1,470 ✭✭✭MAULBROOK


    godtabh wrote: »
    What pay back period do people opt for?

    Its not really something you opt for, it all depends on your personal usage and possible future usage ie an EV and power price rises.


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    #3251
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    MAULBROOK wrote: »
    Its not really something you opt for, it all depends on your personal usage and possible future usage ie an EV and power price rises.

    Maybe I phrased that wrong. What would be a good payback?

    I am planning to have a 5.3kw system, 5kw charger (with night rate charging), hot water diverter combined with an EV I already have. This will be with two people working form home full time.

    How should I be calculating the payback and what would be deemed to be acceptable?


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    #3252
    SouthWesterly
    Registered Users Posts: 6,484 ✭✭✭SouthWesterly


    steedevaney wrote: »
    Option 1 - with grant and 100% self-consumption
    ● 5 photovoltaïc panels
    ● 1 solar inverter
    ● Installation of complete system

    QUANTITY OF PANELS
    5
    SYSTEM SIZE
    1,83 kWp
    ESTIMATED YEARLY PRODUCTION
    1781 kWh

    19.99 per month on assumption of 1,800 but I’m assuming grant will max at 900 give it’s not over 2Kw but maybe it pro-rata’s
    They are 365w panels.
    Thats a poor offer when I'm getting 7 for the same money.
    Go back and talk to them again. Can you not get 7


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    #3253
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    SouthWesterly wrote: »
    They are 365w panels.
    Thats a poor offer when I'm getting 7 for the same money.
    Go back and talk to them again. Can you not get 7

    They are saying the roof can only take 5. It is a bit weird shaped in fairness. But I will follow up on the quote.


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    #3254
    Alkers
    Registered Users Posts: 6,812 ✭✭✭Alkers


    godtabh wrote: »
    Maybe I phrased that wrong. What would be a good payback?

    I am planning to have a 5.3kw system, 5kw charger (with night rate charging), hot water diverter combined with an EV I already have. This will be with two people working form home full time.

    How should I be calculating the payback and what would be deemed to be acceptable?
    Well your absolute best case will be the cost of the system after grants divided by your current annual bill. Anything below ten years is well worthwhile to me if your considering only the financial aspects. You'll get a faster payback in monetary terms with a smaller, cheaper, non battery system.

    The quote you have is not particularly competitive, particularly with a non-new battery. Ten year warranty for battery is unlikely also, normally they're 200 cycles or some such.


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    #3255
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    https://boards.ie/discussion/comment/117609297#Comment_117609297

    Different quote in:

    Size of PV array quoted: 

    2.7kW


    PV Panels quoted: 

    Qcells 335w split-cell all blk mono PERC x8


    Inverter quoted:

     Solis Mini String Inverter x1 inc system monitoring app


    €4050 after grant.


    Anyone any thoughts or suggested improvements?



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    #3256
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,204 Mod ✭✭✭✭godtabh


    https://boards.ie/discussion/comment/117609005#Comment_117609005

    So went back and queried this quote. Got it down to €6200 with the better inverter.


    Got another quote from


    14 x 365w Peimar Panels & 5kW Sonnen Battery = €15,150

    MyEddi hot water diverter = €300 (offer when adding to battery system)

    Total cost = €15,450

    SEAI Grant = €3000

     

    14 x 365w Peimar Panels & MyEddi hot water diverter = €9350

    SEAI Grant = €1800

     

    14 Peimar Panels only = €8800

    SEAI Grant = €1800


    Massive difference in price.



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    #3257
    rameire
    Registered Users Posts: 4,121 ✭✭✭rameire


    My Parents got a quote from an Installer.

     8 x 375 Watt Mono Trina PV Module panels

    • Full installation of 3 kWp Roof Front Mounted System.

    • MyEnergi eddi Hot Water Diverter

    • Tranergy Inverter

    • Fireman switch as per regulation

    • AC and DC cabling and isolators

    • Suitable 25 amp type ‘B’ RCBO protection

    • All associated necessary plant and equipment

    To install PV system including VAT (@13.5%) €7734.

    with grant (if applicable) = € 1800

    Net cost after grant = €5934

    From looking at other Quotes here I dont believe this to be the best that they can get.

    In addition they are aged 79 and 76. They wont see full payback before they move on. ( Their comment ).

    🌞 3.8kwp, 🌞 Split 2.28S, 1.52E. 🌞 Clonee, Dub.🌞



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    #3258
    kabakuyu
    Registered Users Posts: 1,136 ✭✭✭kabakuyu


    https://boards.ie/discussion/comment/117612436#Comment_117612436

    There's much better value out there.Do they really need the eddi?



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    #3259
    rameire
    Registered Users Posts: 4,121 ✭✭✭rameire


    https://boards.ie/discussion/comment/117614182#Comment_117614182

    Possibly not, its actually the one thing they were querying the most, as they heat the water and rads with gas boiler currently.

    🌞 3.8kwp, 🌞 Split 2.28S, 1.52E. 🌞 Clonee, Dub.🌞



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    #3260
    kabakuyu
    Registered Users Posts: 1,136 ✭✭✭kabakuyu


    https://boards.ie/discussion/comment/117614231#Comment_117614231

    I got a 2.55 system without eddi for 2,400E after grant of 1800.You should be paying approx 1euro per watt, but other factors do come into play like ease of installation.IMO your quote is very high and I would shop around.



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    #3261
    SouthWesterly
    Registered Users Posts: 6,484 ✭✭✭SouthWesterly


    https://boards.ie/discussion/comment/117614665#Comment_117614665

    Did you keep the grant or give it to them?I'm debating the benefits. 1800 in the hand is a lot of cash . An extra fiver a week isn't. 4 of us getting installed Monday /Tuesday next week. We're all friends living locally.



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    #3262
    kabakuyu
    Registered Users Posts: 1,136 ✭✭✭kabakuyu


    https://boards.ie/discussion/comment/117614940#Comment_117614940

    I need the fiver SW😉.I classed the grant as money I did'nt have, it went straight in and out of my account, I have become a right scrooge during lockdown, paid off a lot of outstanding debt, planning to get rid of credit cards as well.



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    #3263
    championc
    Registered Users Posts: 6,069 ✭✭✭championc


    https://boards.ie/discussion/comment/117612193#Comment_117612193

    Complete madness. You'll get this same amount from Solar as a Service, for only €2400, and you can buy it out if you want.


    It's been said many times already, but the guide price should be less than €1k per kWp of panels. It's a simple starter guide



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    #3264
    championc
    Registered Users Posts: 6,069 ✭✭✭championc


    https://boards.ie/discussion/comment/117612436#Comment_117612436

    Again, the Solar as a Service would be €2400 for much the same thing. Fine, spend €500 on an Eddi and install it yourself. If their base load is low, then they should get a decent amount into one, but €500 would buy you alot of electricity or gas



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    #3265
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    https://boards.ie/discussion/comment/117615490#Comment_117615490

    While in general that seems to be what people are getting. The Solar as a Service we’re only going to fit 5 panels (1.83kW) and in the initial quote they weren’t reducing the price (given the quote also assumed the full grant the price would be more than 2400 based on the quote) so it was running more expensive than the €1k per kWp.



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    #3266
    championc
    Registered Users Posts: 6,069 ✭✭✭championc


    https://boards.ie/discussion/comment/117612272#Comment_117612272

    So you're looking at about 5kWp so you should be looking more in that price range, and there are several on here who have had quotes of this level for around 5kWp systems. Just look back over the postingsfrom the past month or two



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    #3267
    deravarra
    Registered Users Posts: 1,814 ✭✭✭deravarra


    https://boards.ie/discussion/comment/117612272#Comment_117612272

    If you want, I can send you details of someone who can do much better price-wise. Just PM me and I will send details



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    #3268
    DK1981
    Registered Users Posts: 16 ✭DK1981


    Hi all. i know that PV installer recommendations are not allowed on the public forum. If people would not mind could they PM me good value and quality installers of PV panels in the dublin area or commuter belt. thank you



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    #3269
    championc
    Registered Users Posts: 6,069 ✭✭✭championc


    https://boards.ie/discussion/comment/117615536#Comment_117615536

    Could you mount the other two on a shed roof and connect them to separate micro-inverters (which you could buy on AliExpress ?



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    #3270
    steedevaney
    Registered Users Posts: 70 ✭✭steedevaney


    https://boards.ie/discussion/comment/117620904#Comment_117620904

    Could you mount them on a wooden shed? Shed roof also slopes from south to north so would need something mounted on it in order for them to be facing south at the right angle



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    #3271
    championc
    Registered Users Posts: 6,069 ✭✭✭championc


    https://boards.ie/discussion/comment/117621247#Comment_117621247

    Absolutely - I've 4 x 300w on mine. Since my inverter and batteries are in the shed, I was easily able to add them to my string, but otherwise, micro inverters are perfect for the job



This discussion has been closed.
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