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Joeboy wrote: ↑Sun Apr 09, 2023 3:42 pm It would be interesting to hear what Wattage you can now get for the same physical size of panel within the current footprint? It makes sense that you can percentage limit the production to match the original contract, that's good to know.

Would it be prudent to spec the new panels and check with your particular FIT provider before proceeding? Do you have a size in mind?

Lincs Robert wrote: ↑Sun Apr 09, 2023 4:36 pm

Joeboy wrote: ↑Sun Apr 09, 2023 3:42 pm It would be interesting to hear what Wattage you can now get for the same physical size of panel within the current footprint? It makes sense that you can percentage limit the production to match the original contract, that's good to know.

Would it be prudent to spec the new panels and check with your particular FIT provider before proceeding? Do you have a size in mind?

My current 16 panels take 22.2 sq m. I could get down to 17.9 by using 400 watt panels x 10, but will probably go for 340 watt x 12 using 20.2 sq m as the actual packaging is better, for me, with the smaller panels. Panel physical size is creeping up!

Joeboy wrote: ↑Sun Apr 09, 2023 4:42 pm

Lincs Robert wrote: ↑Sun Apr 09, 2023 4:36 pm

Joeboy wrote: ↑Sun Apr 09, 2023 3:42 pm It would be interesting to hear what Wattage you can now get for the same physical size of panel within the current footprint? It makes sense that you can percentage limit the production to match the original contract, that's good to know.

Would it be prudent to spec the new panels and check with your particular FIT provider before proceeding? Do you have a size in mind?

My current 16 panels take 22.2 sq m. I could get down to 17.9 by using 400 watt panels x 10, but will probably go for 340 watt x 12 using 20.2 sq m as the actual packaging is better, for me, with the smaller panels. Panel physical size is creeping up!

I would have thought (just me) that inverter allowing you'd go for the largest panel size that would fit on the current rails allowing for price per kW anomalies? An oversized array combined with the legit approved percentage of FIT seems like a good idea.

Bear in mind that my particular microclimate makes the extra potential panel area very attractive.

I did wonder if energy density per sqft or similar had increased in those 12 year, kind of hoping that your 4kW PV could become 5kW, !

Lincs Robert wrote: ↑Sun Apr 09, 2023 4:54 pm

Joeboy wrote: ↑Sun Apr 09, 2023 4:42 pm

Lincs Robert wrote: ↑Sun Apr 09, 2023 4:36 pm

My current 16 panels take 22.2 sq m. I could get down to 17.9 by using 400 watt panels x 10, but will probably go for 340 watt x 12 using 20.2 sq m as the actual packaging is better, for me, with the smaller panels. Panel physical size is creeping up!

I would have thought (just me) that inverter allowing you'd go for the largest panel size that would fit on the current rails allowing for price per kW anomalies? An oversized array combined with the legit approved percentage of FIT seems like a good idea.

Bear in mind that my particular microclimate makes the extra potential panel area very attractive.

I did wonder if energy density per sqft or similar had increased in those 12 year, kind of hoping that your 4kW PV could become 5kW, !

Yes it could, but the actual dimensions of the roof make it difficult to use panels that are very much taller. The actual area doesn’t really tell the full story - but I do get your point. My second inverter is a 5kW one, which if it became my main one could do just that. I’ll have to have a ponder & perhaps create a spreadsheet. The residual value of the old panels is a factor in the equation - hence my post. The old panels will have some value, even £50 each is £800 . Every little helps.

Mr Gus wrote: ↑Sun Apr 09, 2023 6:05 pmI.T.S . ??