Siemens Photovoltaic Solutions
http://www.buildingtechnologies.siemens.com/bt/low-voltage/EN/green-applications/photovoltaic/roof-to-cellar/Pages/roof-to-cellar.aspx
Solar Roof Slates
Interesting case: solar slates on a listed building http://www.solarcentury.co.uk/homes/case-studies/solar-slates-on-a-listed-building/
SANYO HIT solar panels
http://us.sanyo.com/Consumer-Solar/Product-Comparison > 170W/sqm here are some instalations photo: http://us.sanyo.com/Consumer-Solar/SANYO-HIT-Power-Technology and all HIT A or N data: http://us.sanyo.com/Consumer-Solar/HIT-Power-N-and-A-Series