grid parity, page-32

Will have a double look at those numbers tomorrow Joy.But have a look at this.Kalzip is Tata and this is another solar BIPV product that has just recieved certification from UK govt.The example on the article is a 4000sq m roof with 1500sqm of amorphous silicon strips(looks like Dye,but isnt)to produce 30000KwHs per yr...

30000/ 1500=20kwhs per sqm per annum

http://www.kalzip.com/PDF/uk/press-releases/Kalzip%20solar%20solution%20for%20Energus.pdf