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Adding poly panels

  • 27-02-2023 10:59pm
    Registered Users Posts: 4,428 ✭✭✭

    Will soon be acquiring 4 x 250w panels. They come with micro inverters so am not particularly concerned about wiring em.

    Considering the existing panels on sw facing front of house are black mono, and these blue with white edge, putting them on front might get me shot. I possibly wouldn't get all 4 on anyway.

    Im Considering if its worth painting the edges to allow them fit in a little better visually.

    or else.. I add them to roof of shed. Pretty poor option in winter, as it is heavily shaded.

    maybe 2 go above side gate which would be south west, nearly vertical for good winter pickup.

    Or I take the 4 270w monos from the rear of house (NE facing) and put them on the front, swap these in to the back of the house.



  • Registered Users Posts: 2,477 ✭✭✭bullit_dodger

    Without having seen your place, I'd probably go for the shed. Winter generation is rubbish anyway. As long as spring, summer and autumn are unshaded, shed are generally easy to fit and install.

  • Registered Users Posts: 1,422 ✭✭✭DC999

    From what I remember, the NE ones came with the new house. And they have low output due to orientation. So it's no loss to move them.

    SW is the better roof of course for output to fill. Blue (new micro inverter ones) and black panels would look a little odd?

    Ideal would be to move the black NE to SW to fill the roof. and access to roofer and sparks not an issue. Then new blue micro ones could go to a shed or vertical on wall as you say as DIY.

    Or if cost is an issue, just DIY the 4 micro ones. Shed is poor in winter you said with shade (and NE are doing nothing then anyway I guess). Or vertical on wall for better winter output and output drops in summer (which is fine as you have decent spread elsewhere)

  • Registered Users Posts: 4,428 ✭✭✭Gerry

    thanks folks. moving ne panels is a fair bit of work but would look fine in the end. Think I leave sw roof alone for now though. shed shading isn't great but I think I can get them into an e/w configuration and maybe put an additional frame off one end of the shed.

  • Registered Users Posts: 1,422 ✭✭✭DC999

    And with a micro and shed setup, you can easily move them again if you want. But at least they are producing ASAP in spring

  • Registered Users Posts: 4,428 ✭✭✭Gerry

    So for vertical on wall, the new regulations are a bit unclear. Apparently not allowed to be forward of the front wall of the house according to the 2007 rules.

    There is a high boundary wall which would allow SE installation of 2 panels. But they would be in front of the line of the front wall of the house. Anyone run into this? very few neighbours would actually be able to notice the panels as they would be almost in line with the wall. And they'd face the end of the cul de sac. But there's always one. anyone experience here? Thanks

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  • Registered Users Posts: 4,428 ✭✭✭Gerry

    tiny bit clearer there maybe, or at least the 2007 rule is not mentioned.

  • Registered Users Posts: 1,422 ✭✭✭DC999

    Are you worried about someone asking you to remove them or what they will look like? Different Qs :)

    Hanging a few panels on the side of a house is no different to painting a portion of your wall black IMO. Once they are secure of course. Might look ugly, but tis your wall. You could decide to paint part pink, some yellow, white..... I've 2 inverters on my side wall in full view. A Zappi. God knows what utility provider boxes like internet....I could decide to house a battery there. For me that falls into the line in your link "Generally, you do not need planning permission for minor changes to your house"

    If someone objected I'd show them that wording. Plus it's solar panels at a time certain councils have declared climate change action plans. Dublin based but this supports the use of solar: Chapter 3: Climate action | Dublin City Council's Planning Consultation Portal

    Now, I'd be a good egg and wouldn't have a heap of panels that caused shading to neighbours or cause light to reflect into their sitting room...

  • Registered Users Posts: 4,428 ✭✭✭Gerry

    Not really worried about them looking bad, more whether there was any clear path for someone to ask to remove. seems there isn't.

    They'd actually be on the boundary wall and not on house itself.. so a lot less noticeable. No Shading will result, as they will not be beyond boundary wall.

    I think the regs are such that I wont have issue.. thanks for the reply.

  • Registered Users Posts: 1,422 ✭✭✭DC999

  • Registered Users Posts: 4,428 ✭✭✭Gerry

    Yup. I'd like to add more on the front sw roof down the line also. But that will be tricky.

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  • Registered Users Posts: 4,428 ✭✭✭Gerry

    Ive got these now, so moving ahead with install of 2 to the steel shed initially.

    anyone done similar?

    couple of questions..

    plan is to bolt the rails straight through to the underlying structure of the steeltech shed. I could get 90 degree brackets to allow use of the recess in the rail, this would move the rail downwards. but think this less strong ultimately as the rail would be bearing against unsupported roof sheet.

    besides that I'm wondering..

    The panels will be the thickness of the rail off the shed roof. potentially this could impede airflow and cooling.

    I'm not too worried as the prevailing south westerly will be able to flow through

    They'll be clamped almost at their ends rather than 25/50/25 points. I don't have much option here.. this will mean less rating for wind uplift, the location is quite sheltered though.

    The panels are almost the length of of the roof sheet, running right up to the ridge. ( I am putting 2 in portrait) I don't really want to raise them up higher, its more failure points and in case we do get a strong westerly.

  • Registered Users Posts: 4,428 ✭✭✭Gerry

    I think its better if I mount the rails onto these guys.