Advice needed for solar panel certification.

We have recently had a 7kw inverter installed (10.4kw on the roof) and 10kw of batteries.
The installer stated that this would include : "Includes all material, labour, commissioning and certification" which I stupidly took to mean MCS and G99.
The actual install took 6 months to complete but is at least working.. and now 6 weeks after completion I cant get any response from them and no sign of any certs.
I spoke to MCS and they have never heard of them so there goes the MCS cert (and any chance to sell back to the grid) but I believe that there should be a "Part p??" cert and the G99 is not optional.?
While we will continue to try and get in touch with them if they refused to answer what do people recommend I do next?

Comments

  • rjmachin
    rjmachin Posts: 368 Forumite
    Eighth Anniversary 100 Posts Name Dropper
    Do they have a website and does it reference MCS on it?
  • Screwdriva
    Screwdriva Posts: 1,439 Forumite
    Fifth Anniversary 1,000 Posts Name Dropper Photogenic
    Did you pay using a credit card in part or full?
    -  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!
  • ajbird
    ajbird Posts: 22 Forumite
    Second Anniversary 10 Posts
    rjmachin said:
    Do they have a website and does it reference MCS on it?
    yes and no.  I was implied but clearly not 
  • ajbird
    ajbird Posts: 22 Forumite
    Second Anniversary 10 Posts
    Did you pay using a credit card in part or full?
    bank transfer. 
  • Grandad2b
    Grandad2b Posts: 348 Forumite
    Tenth Anniversary 100 Posts Photogenic Name Dropper
    ajbird said:
    We have recently had a 7kw inverter installed (10.4kw on the roof) and 10kw of batteries.
    The installer stated that this would include : "Includes all material, labour, commissioning and certification" which I stupidly took to mean MCS and G99.
    The actual install took 6 months to complete but is at least working.. and now 6 weeks after completion I cant get any response from them and no sign of any certs.
    I spoke to MCS and they have never heard of them so there goes the MCS cert (and any chance to sell back to the grid) but I believe that there should be a "Part p??" cert and the G99 is not optional.?
    While we will continue to try and get in touch with them if they refused to answer what do people recommend I do next?
    How much did you pay?
    I think in your position I'd be contacting Citizens' Advice in the first instance.

  • rjmachin
    rjmachin Posts: 368 Forumite
    Eighth Anniversary 100 Posts Name Dropper
    Can you find the company on the MCS website:
    https://mcscertified.com/find-an-installer/

    If not, you may be out of luck.

    When I researched solar companies, I used the MCS website to find local installers to ensure they were registered.

    I know it doesn't help you now, sorry.
  • Raxiel
    Raxiel Posts: 1,403 Forumite
    Eighth Anniversary 1,000 Posts Name Dropper Photogenic
    edited 3 May 2023 at 9:35AM

    As well as MCS, can you find them on NAPIT or HIES? You may be able to make a complaint about their lack of action that way.

    It is possible to get SEG payments without MCS, its just the most straighforward. For Octopus its under clause 5.4(ii) of their export T&C's

    Lack of a G99 is a problem either way though. Installations not covered by a G98 must get permission in advance of connection.

    3.6 kW PV in the Midlands - 9x Sharp 400W black panels - 6x facing SE and 3x facing SW, Solaredge Optimisers and Inverter. 400W Derril Water (one day). Octopus Flux
  • Double check with HIES/MCS using postcode rather than the installer's name. Not all installers use their company name as their trading name - eg LDH Global t/a Light Renewables.

    4.7kWp (12 * Hyundai S395VG) facing more or less S + 3.6kW Growatt inverter + 6.5kWh Growatt battery. SE London/Kent. Fitted 03/22 £1,025/kW + battery £2495

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