I have recently Just come across PV module that’s marketed as 235Wp +7% to +12% To me that’s a 251Wp module with 0-5% variation in output At first I was thinking – perhaps this is just marketing hype – but on reflection I am not so sure it isn’t more significant … The module rating …
This 3.5kWp solar PV array is integrated into the traditional slate roof. The PV array was installed as part of major refurbishment works to the hall including a number of other sustainable features.