Solar Panel & Battery Quote Advice

Screwdriva

Martyn1981 said:

40m2+ ....... now we're talking  

So, off the top of my head, and Screwdriva can advise, but testing to the extreme, 10kWp may be ~£7k installed, if no scaffolding needed?

My guess is between 18-22 Eurener 500W bifacial panels will fit on that roof. Cost for a PW3 based system + 20 panels + EV Charger is ~£14.5K via the installers I use, but they only cover England/ E Wales. Scotland is the Wild West and has a high premium to everything sadly, assuming you can find someone willing to install quality kit.

McKnze21

So I used this tool and my house was getting the following…

Yearly PV energy production [kWh]:

966.23

Martyn1981

That's actually higher than I expected. Is your roof closer to south facing than south west? [Edit - If you're quite close to the coast that can also help, with cooler winds improving panel efficiency.]

Now that you've played with PVGIS, you can see it's actually quite simple. Pop the kWp system size in the "Installed peak PV power [kWp]" box when you get quotes, and the guestimate should be quite accurate. But small caveat, it's an average estimate, so some months and years will be more, some less depending on the weather.

Great news, so potentially ~9kWp of PV would generate about the same annually as you consume. But of course, not at the same time, as you will generate more than you need in the summer, and less than you need in winter. But still nice to achieve, and summer export earnings will help with your annual bill.

Now the hard bit, getting some good priced quotes. I wish you the best of luck.