Domestic Solar PV Quotes 2022 - No PM requests - See Mod note post #1

I really don't think there is anything dodgy or underhand about the supplier. I just think someone just made a mistake.

Got a quote of €11k before grant for:

*10x 430w Jinko JKM430N 4.3kW Panels*

*1x Solis Inverter 5kW*

*1x 5kWh-Battery (Puredrive Energy)*

Thoughts?

Has anyone put solar panels on a clay tile (Snowdon) roof which has every row nailed and clipped . Today we were supposed to have our 13 Solar panels installed on our south facing roof. However, the Roofer said he could not do it because the tiles would be too hard to remove and would likely break. Even though we told him we had plenty spare new tiles he said it would be too big of a job. The ridge tiles would have to come off and the roof stripped he said

Has anyone come across a similar situation or has anyone not had this problem with all tiles nailed and clipped. To make matters worse he told us that no company would be able to put solar panels on our roof (yet, we have a panel for the last 7 years supplying hot water and this was not an issue 7 years ago when it was installed)... we are finding this situation very frustrating and would appreciate any feedback or suggestions. Ground mounted is not an option for us.

Thanks ,,, Really appreciate your opinion , He even said that no other company would do it . He did say he never saw this type of tile before so not sure had he the competence to do the job in first place... I can sleep a lot better tonight knowing it can be done .

Front and back of clay tile ... existing 7 year thermodynamic panel for heating hot water...

I have Puredrive and they are warrantied to use as low as 10%, but I keep some excess in them for power cuts so set the discharge levels in winter and summer differently. Let them be annoyed, it calls out the gougers!

Hi all,

Below are three quotes I received in the last week. Would appreciate opinions / advise. TIA.

Quote 1:

Size: 6.64 kWp: 16 x 415W panels 5,581kWh p.a

16 x JKM415N-54HL4-B 415 Watt Panels (Jinko)

1 x LUNA2000-5-S0 (Huawei Technologies Co., Ltd.)

1 x Eddi, 1 x DDSU666-H

Pre-grant: €15,750; post grant: €13,350

No battery:

Pre-grant: €11,400; post grant: €9,000

Quote 2:

16 x 420W Jinko N-Type panel + hybrid inverter + 5.12Kwh CFE battery + Eddi:

Pre-grant: €13,235

Post-grant: €10,835

No battery:

Pre-grant: €11,635; post-grant: €9,235

Quote 3:

Size: 6.72kWp: 16 x 420W panels; 4,751kWH p.a.

16 x STP420S-C54/Nshm 420 Watt Panels (Suntech)

1 x SUN2000-5KTL-L1 (Huawei Technologies Co., Ltd.)

1 x LUNA2000-5-S0 (Huawei Technologies Co., Ltd.)

1 x EDDI

Pre-grant: €14,200; post-grant: €11,800

No battery:

Pre-grant: €10,250; post-grant: €7,850

Quote 3 is decent. Drop the EDDI for now; exploit the high FIT and export as much as you can. Get a smart plan and heat your water on the cheap rate between 2-4am instead.

You can add additional 5kWh battery modules later for 2200 each inc Vat. It’s likely you will find that 5kWh isn’t enough.

Just make sure you leave some additional headroom above where you install the battery for expansion.

Correct; gas is flat rate no matter what time you use it. And when you turn on the tap it uses gas in demand to heat the water in real time.

one tip for people with a combi boiler is to turn down the hot water temp to a low temperature like 40-45C.

a lot of people have it set much higher; like 60C; which is pointless as they just mix it with cold water at the tap to make it an acceptable temp for hand washing etc…

only exception here is if you don’t have a dishwasher and need to use the hot water to wash your dishes; in which case 40-45 might not be hot enough to get rid of the grease. But most people have a dishwasher.

It's a combi boiler, hot water on demand.

They don’t have a tank. And even if they did it’s still good advice to turn down the temp. Depending on the turnover of the water in the tank; and if there are any high risk people (elderly or newborns) it may not be necessary to bring the temps up that high ever.

Exactly this. Watch this. I can’t explain it better than this.

Not true, if your requirement is water at 40°, you can either heat it at the boiler by modulating the firing, so the the energy transferred will on average heat the water to 40° or you can heat a lesser amount to 60°, and blend with the cooler cold tap at the basin. The laws of physics and thermodynamics are immutable, if you heat a ten litre basin of water from 10° at the incoming main to 40° at the basin, it doesn't matter how the energy was transferred. If the basin is 40° at the end, by either method, the same amount of energy is consumed, with trivial difference in the losses due to the different temperatures of the brief flow of heated water through the system, and any residual in the pipes.