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 …
An array of ten solar panels was the maximum that would fit on this house roof. Connected together they form a 1.8kWp power station - feeding solar electricity into the house.