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Advice on whether to go Solar

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Hi all,

I am in the process of getting quotes for solar panels and it's hard to know whether to go ahead or not.

I constantly think I will miss out on new technology, however I am missing out on savings.

Some info on usage, I use 4600kW per year (est) and 2 people in a 4 bed house and both WFH.

After some quotes, it is likely we will get 12/13 panels at the most on a south facing roof, pitched at 35%, which I believe is optimal. We will also get a 6kw battery.

It's so hard to know what panels are the best to go with and I have had quotes from My Home Solar and Project Solar.

Project Solar sold it amazingly and have all the warranties you need, but the cost is crazy at 17.5k.

Please give your thoughts on best panels/battery and rough prices based on the info above.

Thanks!
16 x 410w (6.6kw) Sharp panels, 5kw inverter and 6.5kw battery installed in May 2023.

Comments

  • DougMLancs
    DougMLancs Posts: 260 Forumite
    100 Posts Second Anniversary Photogenic Name Dropper
    edited 19 April 2023 at 1:01PM
    Well you’re right about Project Solar’s quote- daylight robbery! To give you an idea- I’ve just had the system in my signature fitted for £9500 so almost half and that’s with a 50% bigger battery. What was the other quote and whereabouts are you based? My installer was a local firm and his quote was £3k better than the more regional/National firms.
    Smart Tech Specialist with Octopus Energy Services (all views my own). 4.44kW SW Facing in-roof array with 3.6kW Givenergy Gen 2 Hybrid inverter and 9.5kWh Givenergy battery. 9kW Panasonic Aquarea L (R290) ASHP. #gasfree since July ‘23
  • Thank you @DougMLancs

    We are in Essex and had in mind 10k or a bit more if we need more panels and bigger battery.

    But thank you for coming back to me though.
    16 x 410w (6.6kw) Sharp panels, 5kw inverter and 6.5kw battery installed in May 2023.
  • Screwdriva
    Screwdriva Posts: 1,524 Forumite
    Fifth Anniversary 1,000 Posts Name Dropper Photogenic
    Agree. Your quote is a con!

    Here are the only brands I recommend: 

    Panels: Sharp/ Hyundai/ REC/ Solarwatt/ Panasonic

    Inverters: Solaredge/ Enphase/ Fronius/ GiveEnergy

    or

    Battery inverters: Tesla Powerwall/ Myenergi Libbi (my pick) or GivEnergy

    Always go with the installer who offers brands with long warranties and good reputations (who actually honour them - this rules out most Chinese brands). There are many who will sing something to the tune of "I have them...they've worked fine", but this omits multiple failures others have experienced often with zero semblance of customer service from the brand or the installer. 
    -  10 x 400w LG + 6 x 550W SHARP BiFacial Panels + SE 3680 HD Wave Inverter + SE Optimizers. SE London.
    -  Triple aspect. (22% ENE/ 33% SSE/ 45% WSW)
    -  Viessmann 200-W on Advanced Weather Comp. (the most efficient gas boiler sold)

    Feel free to DM me if I can help with any energy saving!
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