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We are buying a house which has a Ten Panel PV installation that has ben running since 2011. The installation is effectively for free. I have seen several figures about the expected reduction in output power but I'm wondering about other processes, apart from the cells getting old, that could affect how many more years of use I can expect. This site is on the Thames Estuary in UK (52°N ish) and the roof slopes to the South. The ten panel installation seems to be a standard package and there is room for a lot more - if the existing system performance is encouraging. Unfortunately there's no one to ask about it as it's a Probate sale.
There's another issue with the tile roof which will need attention in the not too distant future. Accepted wisdom seems to indicate that the cost of removing and replacing the panels during the roofing operation would be significant. Now, those tiles have been protected to some extent for 13 years by the panels; would that affect their probable life expectancy?. HAs anyone any experience of this and is there any useful advice I need. I am well aware that I should 'do things properly' but the house needs a fair bit of money spent and . . .
Feel free to discuss and tell me I'm just an old skinflint.
There's another issue with the tile roof which will need attention in the not too distant future. Accepted wisdom seems to indicate that the cost of removing and replacing the panels during the roofing operation would be significant. Now, those tiles have been protected to some extent for 13 years by the panels; would that affect their probable life expectancy?. HAs anyone any experience of this and is there any useful advice I need. I am well aware that I should 'do things properly' but the house needs a fair bit of money spent and . . .
Feel free to discuss and tell me I'm just an old skinflint.